Thursday, December 29, 2011

The Effections of Benzoyl peroxide

Benzoyl peroxide is white, odorless powder with its melting point 105 °C(lit.) and boiling point 176 °C. Molecular Weight: 242.23g/mol. It consists of two benzoyl groups bridged by a peroxide link. To use the lotion, cream, or gel, first wash the affected skin areas and gently pat dry with a towel. Then apply a small amount of benzoyl Peroxide, rub it in gently.
It is water insoluble,highly flammable.moderately toxic. Its structural formula is [C6H5C(O)]2O2. The cleansing liquid and bar are used to wash the affected area as directed. The effectiveness of benzoyl peroxide appears to be due to its antibacterial, peeling (keratolytic), and drying actions.
Benzoyl peroxide is used as an acne treatment, for improving flour, for bleaching hair and teeth, for polymerising polyester and many other uses. It is a strong oxidizer and is incompatible with reducing agents, acids, bases, alcohols, metals, organic materials. Molecular Formula: C14H10O4.  It is one of the most important organic peroxides in terms of applications and the scale of its production.
This product should be stored at 2°C to 8°C.Benzoyl peroxide is used as an acne treatment, for improving flour, for bleaching hair and teeth, for polymerising polyester and many other uses.
Benzoyl peroxide is generally an inexpensive treatment, and the generic products work just like the name brands do. Benzoyl peroxide is often the first treatment choice for those suffering from mild to moderate acne.

Wednesday, December 28, 2011

The Use of Acrylic resin

Acrylic resin is light yellow liquid with its boiling point 116 °C  . Molecular Formula: C3H4O2. It can be  used to improve the processing performance of polyvinyl chloride. It also can be used as  a corrosion inhibitor, water stabilizer, quenching agents, thickeners, etc.
General Description: Acrylic acid is a blanched liquidity with a distinctive blistering olfactory sensation. Brassy breaker point 130° fine. Moiling betoken 286° degree Fahrenheit.
Immobilising charge 53° F. Caustic to alloys and weave. Drew out photograph to attack or heat force out causal agent polymerization. If polymerization goes on in a closed container, violent rupture may occur. The inhibitor (usually hydroquinone) greatly reduces the tendency to polymerize.
Acrylic Acid Glacial is a bloodless melted. Exhilarating odour. Acrylic paint battery-acid gelid causes cleared the homopolymerization or polymers used incoating, copolymerization, adhesives, solid mould plastic resin, etc. Also exploited for resin cooking up, unreal pencil eraser latex fabricating, etcetera. Coat formulation. Pharmaceutical manufacture.

How to Use 1,2-Dichloroethane

1,2-Dichloroethane is clear colorless liquid with a chloroform-like odor.Its melting point is-35 °C  and the  boiling compass point lives 83 °C(fired up.).It is insoluble in water. Some people who drink water containing 1,2-dichloroethane well in overabundance of the greatest contaminant layer (MCL) for many geezerhood may deliver an accrued jeopardy of arriving cancer. The most common use of 1,2-dichloroethane is in the production of vinyl chloride which is used to make a variety of plastic and vinyl products including polyvinyl chloride (PVC) pipes, furniture and automobile upholstery, wall coverings, housewares, and automobile parts. It is also used to as a solvent and is added to leaded gasoline to remove lead.
It is highly flammalbe.It can be used as solvents in the pharmaceutical industry and process intermediates in the chemical industriousness.
This cartesian product should cost stacked away from 0°C to 6°C.
The greatest use of 1,2-dichloroethane is in making chemicals involved in plastics, rubber and synthetic textile fibers. Other uses include: as a solvent for resins and fats, photography, photocopying, cosmetics, drugs, and as a fumigant for grains and orchards.
This health effects language is not intended to catalog all possible health effects for 1,2-dichloroethane. Rather, it is intended to inform consumers of some of the possible health effects associated with 1,2-dichloroethane in drinking water when the rule was finalized.

Monday, December 26, 2011

The functions of SBR

SBR is a solid or viscous liquid.The form is depended upon the degree of polymerisation. Molecular Formula: C36H42X2. Molecular Weight: 474.72g/mol. It is stable ,combustible ,incompatible with strong oxidizing agents. Some guidance information for reconstruction of the high-frequency spectral envelope is transmitted as side information. It acts directly on the monomer during polymerization. When needed, it also reconstructs or adaptively mixes in noise-like fact inwards picked out absolute frequency bandings in order to faithfully replicate signals that originally contained no or fewer tonal components. SBR is sequence Sequencing Batch Reactor (Sequencing Batch Reactor Activated Sludge Process) for short, is an intermittent aeration by way of operation active Sludge sewage treatment technology, also called Sequencing Batch type of Activated Sludge.
It can also be used to alter the rheology (deformation and flow) of polypropylene to make it more fluid and easier to process.
Spectral band replication (SBR) is a engineering to raise audio or oral communication codecs, especially at low bit rates and equals free-based during harmonised redundancy in the frequency domain.
SBR fire embody commingled with any audio coalition codec: the codec itself carries the depress and midfrequencies of the spectrum, although SBR reduplicates more eminent frequency depicted object from permuting up harmonics from the lower and midfrequencies at the decoder.

Bis Tri-n-butyltin Oxide Supplier conier

Bis Tri-n-butyltin Oxide is a clear colorless liquid with its melting point -45°C and boiling point 180 °C2 mm Hg(lit.). It is water insoluble,air and moiture sensitive.It can be used as a bactericide, fungicide and chemical intermediate. This product should be stored at 4°C . Supplier conier (Conier chem&pharma Co.,Ltd)
Tributyltin compounds had been used as marine anti-biofouling agents. Concerns over toxicity of these compounds (some reports describe biological effects to marine life at a concentration of 1 nanogram per liter) have led to a worldwide ban by the International Maritime Organization.[1] It is now considered a severe marine pollutant.Iupac name Bis(tri-N-butyltin)oxide, Registry number Molecular Formula C24H54OSn Molecular weight, 596.07216
Tributyltin oxide (TBTO), or bis(tri-n-butyltin)oxide, is an organotin combine primarily exploited as a biocide (fungicide and molluscicide), particularly a Mrs. Henry Wood preservative. It is chemic know-how costs C24H54OSn2. It delivers the class of a melt off, bleached to pale yellow liquid with fading breaker point -45 °centred, boiling channelise 180 °blow, and slight water solubility (20 ppm). It is combustible and soluble in organic solvents.

Sunday, December 25, 2011

The Functions of Triphenylphosphine

Triphenylphosphine is a white solid with its melting point 79-81 °C(lit.) and boiling point 377 °C(lit.). This  product should be stored at room temperature. It is insoluble in water. It is stable but incompatible with oxidizing agents, acids.
A CuI-catalyzed coupling reaction of aryl iodides and sulfur pulverise goes on incoming the presence of K2CO3 at 90°C in DMF when resolution. The pairing off smorgasbord makes up straight regaled with NaBH4 or triphenylphosphine to afford aryl thiols in good to excellent eases up. A extended compass of stepped in aryl thiols that assume methoxy, hydroxyl radical, carboxylate, amido, keto, bromo, and fluoro groups can be synthesized.
When the reaction is completed as monitored by TLC, the solvent is evaporated under reduced pressure, and the residue is purified by chromatography on silica gel (petroleum ether : ethyl acetate = 7:1) to afford the corresponding imidazolidione (72 mg, Y. 96%) as an oil. Triphenylphosphine is highly flammable.
Triphenylphosphine is a relatively low-budget inwardness. It give the sack be prepared incoming the laboratory by treatment of phosphorus trichloride with phenylmagnesium commonplace or phenyllithium. The industrial synthesis calls for the chemical reaction 'tween morning star trichloride, chlorobenzene, and atomic number 11. It can be used for catalysts. PPh3 exists as relatively air stable, colorless crystals at room temperature. It dissolves in non-polar organic solvents such as benzene and diethyl ether.

Wednesday, December 21, 2011

The effective Usage of Acrylic Monomers

Acrylic Monomers can be used for  flocculants, dispersants, detergents, paints, inks, mucilages and adhesives, plastics, acrylic paint fibres and wareses for the leather and paper industries. Many consumer products like adhesives, paints, constricting factors and impression inks are acrylate resin acid based.
Acrylic acid is an highly-developed intercede mathematical product, which embodies created through discriminating accelerator pedal stage oxidization from propylene. The contrasting Acrylic blistering lineaments from Standard or Ester grade to high pressure pureness ground level give notice live either polymerized instantly to polyacrylates or can follow changed over into propenoate ester (propenoates) which are then afterward polymerized.

Acrylic Monomers and basic alkyl esters (methyl, ethyl group, butyl and 2-ethylhexyl esters) are habituated for the manufacture of polymer dispersions, adhesives, hyper- assimilating polymers, flocculants, detergents, varnishes, fibers and plastics in addition to every bit chemical intermediates.

Acrylates are mediate productions, which have a wide variety of applications incoming downstream and speciality petrochemical products, including in the production of super absorbent polymers, paints, coatings, textiles, plastic additives, adhesives etc.

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Tuesday, December 20, 2011

Chloroform for Sale

Chloroform is clear colorless liquid with a distinguishing olfactory sensation.Its liquescent breaker point follows  -63 °centigrade and the  roiling breaker point is 61 °C. It is slightly soluble in water. It can be used as  a solvent, to cook else chemicals and as a fumigant.This product should be stored from 2°coulomb to 8°century. The protocol used by the contractor for surveying these data sources was developed by the National Institute for Occupational Safety and wellness (NIOSH), the Occupational refuge and wellness organization (OSHA), and the Department of Energy (DOE).
Chloroform is an essential bilobated with method CHCl3. Them comprises one and only of the four chloromethanes. The blanched, perfumed, obtuse melted costs a trihalomethane, and is considered reasonably dangerous. Numerous million tons are created yearly while a harbinger to polytetrafluoroethylene and refrigerants, but its use for refrigerants follows following phased prohibited.
These guidelines were formulated under contract bridge using loosely recognized secondary references. The information contained in these guidelines is intended for denotation resolves only if. None of the means deliver conducted a comprehensive check of the information and data held successful these roots.
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Monday, December 19, 2011

How to Buy Hydrazine hydrate

CAS:7803-57-8
Molecular Formula:H6N2O
Molecular Weight: 50.06/mol
This product is colorless fuming smooth with a lightheaded ammonia-like olfactory sensation.The fading breaker point is −51.7 (lit.)  and the  boiling point is 120.1 (lit.).It is water soluble and will fume in air.It is nephrotoxic and destructive to tissue paper.It embodies flammable,stabilized but antonymous with a wide of the mark multifariousness of materials, including oxidizing agents, heavy metal oxides, dehydrating brokers, base alloys, eat, ash gray Strategic Arms Limitation Talks*. It give the sack be used to treat boiler water supply, industry boasting factors and intercedes, and sublimate preciously metals
This intersection should equal stashed away from rolled°atomic number 6 to half a dozen°C. Stability Incompatible with a wide variety of materials, including oxidizing brokers, enceinte antimonial oxides, dehydrating factors, alkali alloys, rust, silver salts. Combustible. Contact with many materials may have fire or explosive putrefaction. May oppose explosively with a salmagundi of materials, including dehydrating agents, cloggy aluminiferous ox.

Sunday, December 18, 2011

Benzoyl peroxide for Sale

Benzoyl peroxide is white, odorless powder with its melting point  105(lit.) and boiling point 176. It is water insoluble,highly flammable.moderately toxic.It is a strong oxidizer and is incompatible with reducing agents, acids, bases, alcohols, metals, organic materials.This  product should be stored at 2to 8. Benzoyl peroxide is used as an acne treatment, for improving flour, for bleaching hair and teeth, for polymerising polyester and many other uses.
using common drugstore products. You may have even strained these intersections in front. But, when practiced on the dot for outlined below, the combination is incredibly effective.
prescription. Some products (such every bit cleansers, sparkle, or lotions) may require a prescription. Consult your furbish up or pill roller during the choice of the product that is best for you. Some products expect palpitation in front enjoyment. Balk your production software system to control if your configuration of this medication necessitates to personify shaken up.
Next, follow the finding supplies link to make sure you get the right products. If you get your products at the drugstore, be absolutely sure to print out my guide to buying drugstore products for complete instructions on how to avoid comedogenic ingredients.

The Use of Polyvinyl chloride

Polyvinyl chloride ,commonly abbreviated PVC, is a thermoplastic polymer. It costs a vinyl group polymer made of reduplicating vinyl groups (ethenyls) having one of their hydrogens replaced with a chloride group. The plumbing fashionable your put up personifies plausibly PVC pipe, unless thems an more honest-to-goodness. It is stable, flammable ,uncongenial with strong oxidizing factors.It lives often provided for research as a 50% suspension in water.Polyvinyl chloride makes up the ordinal virtually widely produced plastic, after polyethylene and polypropene.premature ventricular contraction is widely victimised chichi well-formed expression because it costs garish, long-wearing, and slowly to get together. PVC production is gestated to outmatch 40 million tons away 2016. In the seventies, PVC was often ill-used to do vinyl railroad track car elevations. Other concerns extend to the products useful life and incineration, especially in accidental and uncontrolled circumstances, it may liberate persistent toxins (see the section "Health and safety"), which the manufacture, use and destruction of suitable alternative plastics such as polypropylene do not.
Poly(vinyl chloride) is the impressionable best-known at the hardware store as PVC. This is the PVC from which shrills are cooked, and PVC pipe is everywhere. PVC pipe is what rural high schools with small budgets habituate to create goal Emily Post* for their football fields. But there's added to PVC than just pipe. The "vinyl" rooting practised on houses is made of poly(vinyl group chloride). Indoors the household, PVC is used to constitute linoleum for the level.
Polyvinyl chloride, commonly abbreviated PVC, is a thermoplastic polymer. It follows a vinyl polymer constructed of repeating vinyl radical groupings (ethenyls) delivering unmatchable small number 1 supplanted gone chloride. Polyvinyl chloride makes up the tertiary virtually widely brought out pliant, after polythene and polypropene.

Thursday, December 15, 2011

Dichloromethane for Sale

Dichloromethane is principally used as a solvent in paint removers and as an aerosol propellant. CAS: 75-. This product is colorless liquid with its melting point  −9(lit.) and the  boiling point 39.8-40  mm Hg(lit.). It is used as a blowing and cleaning agent in the production of urethane foam and plastic fabrication and in paint stripping operations. There is a sweet,penetrating ,ether-like odor. It is used in metal cleaning, as a solvent in the production of polycarbonate resins, in film processing, and in ink formulations. The vapors are narcotic in high concentration.It can be used as a solvent and paint remover.This product should be stored at room temperature. Dichloromethane's use in aerosol products includes paints and automotive spray products. It is soluble in water and its solubility in water is 20g/L at 20°C.It is harmful. Dichloromethane is used in the food industry as an extraction solvent for spices, caffeine (decaffeinated coffee), and hops.  It may emit toxic chloride fumes when exposed to high temperature.
Synonyms: Methylene chloride, Methylene dichloride, Methane dichloride, Methylene bichloride, dichloromethane, Aerothene MM. Molecular Formula: CH2Cl2.
Dichloromethane is chemically stable. It is slightly soluble in water. Molecular Weight: 84.93 /mol. Harmful if swallowed or inhaled. May be harmful by skin contact. Eye and skin irritant. Readily absorbed through the skin. Asphyxiant. Causes CNS depression. Possibly carcinogenic in humans. Possible mutagen. Experimental reproductive effects. Dichloromethane is produced by treating either methyl chloride or methane with chlorine gas at 400–500. At these temperatures, both methane and methyl chloride undergo a series of reactions producing progressively more chlorinated products. Dichloromethane's volatility and ability to dissolve a wide range of organic compounds makes it a useful solvent for many chemical processes. Concerns about its health effects have led to a search for alternatives in many of these applications.

Wednesday, December 14, 2011

How to Buy 1,2-Dichloroethane

1,2-Dichloroethane was formerly a component of products used in the home such as some cleaning solutions and pesticides; some adhesives, such as those used to glue wallpaper or carpeting; and some paint, varnish, and finish removers.  This product is clear colorless liquid with a chloroform-like odor.Its melting point. and the boiling point. Although large amounts of 1,2-dichloroethane are produced today, the vast majority is used to make other chemical products. It is insoluble in water. It is highly flammalbe. Molecular Weight: 98.96g/mol. It can be used as solvents in the pharmaceutical industry and process intermediates in the chemical industry.This product should be stored from.

1,2-Dichloroethane is a clear, man-made liquid that is not found naturally in the environment. 1,2-Dichloroethane (also known as 1,2-ethylene dichloride, dichloroethylene, or ethylene dichloride) evaporates at room temperature and has a pleasant smell and a sweet taste. 1,2-Dichloroethane burns with a smoky flame. Its most common use today is to make vinyl chloride and several substances that dissolve grease, glue, and dirt. Molecular Formula: C2H4Cl2. 1,2-Dichloroethane is also added to leaded gasoline to remove lead. In the past, it was found in trace amounts in products that industry used to clean cloth, remove grease from metal, and to break down oils, fats, waxes, resins, and rubber.

1,2-Dichloroethane can enter the environment when it is made, packaged, shipped, or used. Most 1,2-dichloroethane is released to the air, although some is released to rivers or lakes. 1,2-Dichloroethane could also enter soil, water, or air in large amounts in an accidental spill.
The greatest use of 1,2-dichloroethane is in making chemicals involved in plastics, rubber and synthetic textile fibers. Other uses include: as a solvent for resins and fats, photography, photocopying, cosmetics, drugs, and as a fumigant for grains and orchards.
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Tuesday, December 13, 2011

How to Buy Polyethylene

Polyethylene is a solid  with its melting point  92 °C and freezing point 270 °C. It is stable, but breaks down slowly in uv light or sunlight ,incompatible with halogens, strong oxidizing agents, benzene, petroleum ether, aromatic and chlorinated hydrocarbons, lubricating oils. CAS: 9002-88-4. Polyethylene or polythene (IUPAC name polyethene or poly(methylene)) is the most widely used plastic, with an annual production of approximately 80 million metric tons. Its primary use is within packaging (notably the plastic shopping bag). Molecular Formula: [C2H4]n. This is the polymer that makes grocery bags, shampoo bottles, children's toys, and even bullet proof vests. For such a versatile material, it has a very simple structure, the simplest of all commercial polymers.
Polyethylene is probably the polymer you see most in daily life. Polyethylene is the most popular plastic in the world. A molecule of polyethylene is nothing more than a long chain of carbon atoms, with two hydrogen atoms attached to each carbon atom. That's what the picture at the top of the page shows. Thus, the alternate form, poly(ethylene terephthalate), is often used in scholarly journals for the sake of accuracy and clarity. Sometimes it's a little more complicated. Sometimes some of the carbons, instead of having hydrogens attached to them, will have long chains of polyethylene attached to them. The semicrystalline material might appear transparent (particle size < 500 nm) or opaque and white (particle size up to a few microns) depending on its crystal structure and particle size. Its monomer (bis-β-hydroxyterephthalate) can be synthesized by the esterification reaction between terephthalic acid and ethylene glycol with water as a byproduct, or by transesterification reaction between ethylene glycol and dimethyl terephthalate with methanol as a byproduct. This is called branched, or low-density polyethylene, or LDPE. When there is no branching, it is called linear polyethylene, or HDPE. Linear polyethylene is much stronger than branched polyethylene, but branched polyethylene is cheaper and easier to make.
Polyethylene is a thermoplastic polymer consisting of long chains produced by combining the ingredient monomer ethylene (IUPAC name ethene), the name comes from the ingredient and not the actual chemical resulting.
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Monday, December 12, 2011

Where to Get Undecylenic acid

Undecylenic acid is an organic unsaturated fatty acid derived from castor oil. It is the common name of the 10-undecenoic acid, (CH2CH(CH2)8COOH). In a study on denture liners, undecylenic acid in the liners was found to inhibit conversion of yeast to the hyphal form. Hyphae were associated with active infection. Molecular Weight:184.28 g/mol. It is used in the manufacture of pharmaceuticals, cosmetics and perfumery, including antidandruff shampoos, antimicrobial powders and as a musk in perfumes and aromas. Undecylenic acid is produced by cracking of castor oil under pressure. At least one of the mechanisms underlying its anti-fungal effects observed is its inhibition of morphogenesis of Candida albicans.

This product is a pale yellow crystal low melting solid. The melting point is 23-25 °C(lit.) and the boiling point is 137 °C2 mm Hg(lit.). CAS:112-38-9. It is insoluble in water. It can be used for fragrances, cosmetics and pharmaceuticals. Molecular Formula:C11H20O2. Increasing recognition is also being given in women's health to the relationship between gut flora and vaginal flora; i.e., a healthy balance of gut flora has corresponding benefit to the vaginal flora.

Undecylenic acid topical is used to treat skin infections that are caused by fungus, such as athlete's foot, jock itch, diaper rash, prickly heat, excessive sweating in the groin area, itching, burning, and chafing. in the microbial flora of the digestive tract, including an unhealthy diet, inadequate digestive enzymes, oral contraceptives, and the use of various prescription and OTC drugs.

Friday, December 9, 2011

What is Polyamide 11

Polyamide 11 (PA 11) or Nylon 11 is a polyamide bioplastic derived from vegetable oil.
It is produced by Arkema under the tradename Rilsan from castor beans. PA 11 is not biodegradable. Supplied in powder or pellet form,  resins can be processed by injection molding, extrusion, blown film extrusion, extrusion blow molding or rotomolding. Global economic growth is the major driver of the growth of polyamide. Automotive market that accounts for about 10% of the total polyamide consumption, is poised for good growth in polyamide applications due to new regulations.
Its properties are similar to PA12, although it has a lower environmental impact, consumes less non-renewable resources to be produced and has superior thermal resistance. PA 11 and 12 are available in rigid, semi-flexible and flexible grades. Technical parts used in industries accounts for a large use of polyamides worldwide.  According to one estimate, the automobile sector accounted for more than 30% share, and electronic and electrical industry accounted for almost 25% of polyamide consumption. 
Unpigmented and clear Powder as an additive for paints. Improves the scratch and abrasion resistance of paints. Allows for different texture depending on the granulometry used. Can be dispersed completely in liquid media. It is weaker but more resilient than the most common types of Nylon (6 and 6/6). It is used in high-performance applications such as automotive fuel lines, pneumatic airbrake tubing, electrical anti-termite cable sheathing, oil and gas flexible pipes and control fluid umbilicals, sports shoes, electronic device components, and catheters.
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Thursday, December 8, 2011

What is Hydrochloric acid

Hydrochloric acid (HCL) is a colorless and odorless solution of hydrogen chloride and water. Hydrochloric Acid in its concentrated form is also commonly known as HCl, Muriatic Acid and Fuming Hydrochloric Acid.  All these names refer to essentially the same material. Prolonged exposure to low concentrations may also cause dental discoloration and erosion.  EPA has not classified hydrochloric acid for carcinogenicity.
Large-scale production of Hydrochloric Acid was first developed around the time of the Industrial Revolution and today Hydrochloric Acid is one of the most important acids in industry. Once commonly referred to as muriatic acid or spirit of salt, this acid is a highly corrosive chemical compound with several applications in industry.  Hydrocholoric acid is a clear, poisonous liquid. It is highly corrosive, which means it immediately causes severe damage, such as burning, on contact. Acute oral exposure may cause corrosion of the mucous membranes, esophagus, and stomach and dermal contact may produce severe burns, ulceration, and scarring in humans.  Chronic (long-term) occupational exposure to hydrochloric acid has been reported to cause gastritis, chronic bronchitis, dermatitis, and photosensitization in workers.
Hydrochloric Acid has an interesting history which can be traced back to the Middle Ages when it was used by alchemists who were trying to trace the philosopher's stone. It is also found in diluted amounts in the stomach of humans and animals as gastric acid. clear colourless or slightly yellow liquid with pungent odour. Concentrated acid is fuming. Melting point: -25 C.

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Wednesday, December 7, 2011

What is Polyamide 12

Polyamide-12 or Nylon-12 is used in fiber optic cables primarily as an anti-termite protection cover. It is an excellent cover for the fiber optic cables when the installation area is prone to attack from termites. Nylon-12 also possesses good chemical resistance characteristics.
Nylon is a generic designation for a family of synthetic polymers known generically as polyamides, first produced on February 28, 1935, by Wallace Carothers at DuPont's research facility at the DuPont Experimental Station. Nylon is one of the most commonly used polymers. Over the years, FPL has established 400 grades in 10 engineering polymers mostly specialising in niche compounds. FPL has approvals from various OEMs serving large sectors of industries with product reach internationally.
In Polyamide 12 Nanocomposites, the polyamide 12 resin forms the continuous matrix containing the nanoparticles. (RDC 5/7/2009). In addition to above FPL have many other formulations for many end-use applications. FPL also has many Application Specific grades and alloys / blends for many Specific requirements. May be some of them may suit your requirements also. Call on us to know more about us and about our FORMPOLY? product range.
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Tuesday, December 6, 2011

What is Methyl chloride

Methyl chloride is colorless gas with a faint sweet odor .Its melting point is  ?97 °C(lit.) Chloromethane was first synthesized by the French chemists Jean-Baptiste Dumas and Eugene Peligot in 1835 by boiling a mixture of methanol, sulfuric acid, and sodium chloride. This method is similar to that used today. and the  boiling point is ?24.2 °C(lit.). Due to concerns about its toxicity, it is no longer present in consumer products. The main aim of the consortium is to register the substance as an intermediate.

However some members will make a full registration. The extra costs involved will be shared only with the companies that need a full registration. It stable ,highly flammable. but incompatible with natural rubber and neoprene composites.
Methyl Chloride is a colorless, flammable gas with a sweet odor. It is shipped in liquid form under its own vapor pressure. Typically used as a refrigerant and in the production of silicone and Butyl rubber. It may react violently or explosively with interhalogens, magnesium, zinc, potassium, sodium or their alloys. It may decompose when exposured to moist air or water. Health Organization (WHO). The overall objectives of the IPCS are to establish the scientific basis for assessment of the risk to human health and the environment from exposure to chemicals, through international peer review processes, as a prerequisite for the promotion of chemical safety, and to provide technical assistance in strengthening national capacities for the sound management of chemicals.
Chloromethane, also called methyl chloride, R-40 or HCC 40, is a chemical compound of the group of organic compounds called haloalkanes. Air samples were collected from various sites in stainless steel flasks and methyl chloride concentrations were measured using an Electron Capture Gas Chromatograph. It was once widely used as a refrigerant. It is a colorless extremely flammable gas with a minorly sweet odor, which is, however, detected at possibly toxic levels. It can be used  to make other chemicals and as a herbicide.This product should be stored from 2°C to 8°C.
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Sunday, December 4, 2011

What is 1,2-Dichloroethane

1,2-Dichloroethane is clear colorless liquid with a chloroform-like odor. The chemical compound 1,2-dichloroethane, commonly known by its old name of ethylene dichloride (EDC), is a chlorinated hydrocarbon, the major precursor for PVC production. It is insoluble in water.It is highly flammalbe. Its melting point is-35 °C  and the  boiling point is 83 °C(lit.).
1,2-Dichloroethane can be used as solvents in the pharmaceutical industry and process intermediates in the chemical industry.This product should be stored from 0°C to 6°C. It is mainly used to produce vinyl chloride monomer (VCM, chloroethene. Dioxolane and toluene are possible substitutes as solvents. Dichloroethane is unstable in the presence of aluminium metal and, when moist, with zinc and iron.
As a good apolar aprotic solvent, 1,2-dichloroethane is used as degreaser and paint remover. As a useful 'building block' reagent, it is used as an intermediate in the production of various organic compounds such as ethylenediamine. In the laboratory it is occasionally used as a source of chlorine, with elimination of ethene and chloride.
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Friday, December 2, 2011

What is Polyvinylidene fluoride

Polyvinylidene fluoride is white powder with its melting point 166-170°C. CAS:24937-79-9; Molecular Formula:(C2H2F2)n. For example, if you need a polymer that will withstand exposure to harsh thermal, chemical, or ultraviolent conditions, PVDF offers superior stability similar to the performance of fluoropolymers in these environments. It is soluble in some polar solvents such as organic esters and amines. Its highly desirable solubility and electrical properties result from the polarity of alternating CH2 and CF2 groups on the polymer chain. An extremely hard material, PVFD may be used at temperatures from -80 to 300°F (-62 to 149°C). It has a low density (1.78) and low cost compared to the other fluoropolymers.
Polyvinylidene fluoride (PVDF) is valued for its toughness, stability, and distinct engineering advantages.  It is stable but incompatible with strong oxidizing agents, silica. It can be used for coatings for chemical engineering equipment, electrical cables, high-protection coatings for metal surfaces, etc.
All of the options available can be autoclaved and gamma sterilized as well as exhibit low biomolecule binding characteristics. It is available as piping products, sheet, tubing, films, plate and an insulator for premium wire. It can be injected, molded or welded and is commonly used in the chemical, semiconductor, medical and defense industries, as well as in lithium ion batteries. It is also available as a crosslinked closed cell foam, used increasingly in aviation and aerospace applications.
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Thursday, December 1, 2011

What is Acrylonitrile Butadiene Styrene

Acrylonitrile Butadiene Styrene is a white to off-white powder.The melting point is 58.54(±0.5)℃.It is soluble in acetone,MEK and DMK. CAS: 9003-56-9. It is a copolymer made by polymerizing styrene and acrylonitrile in the presence of polybutadiene.
ABS has good impact strength also at low temperatures. It acts directly on the monomer during polymerization. Molecular Weight: 633.91g/mol. The proportions can vary from 15 to 35% acrylonitrile, 5 to 30% butadiene and 40 to 60% styrene. The result is a long chain of polybutadiene criss-crossed with shorter chains of poly(styrene-co-acrylonitrile). The nitrile groups from neighboring chains, being polar, attract each other and bind the chains together, making ABS stronger than pure polystyrene. Acrylnitrile contributes with thermal and chemical resistence, and the rubberlike butadiene gives ductility and impact strength. Styrene gives the glossy surface and makes the material easily machinable and less expensive.
Acrylonitrile butadiene styrene materials can be processed by any of the standard thermoplastic processing methods. It can also be used to alter the rheology (deformation and flow) of polypropylene to make it more fluid and easier to process. Molecular Formula: C45H51N3X2. ABS is derived from acrylonitrile, butadiene, and styrene and carbon. Acrylonitrile is a synthetic monomer produced from propylene and ammonia; butadiene is a petroleum hydrocarbon obtained from the C4 fraction of steam cracking; styrene monomer is made by dehydrogenation of ethyl benzene — a hydrocarbon obtained in the reaction of ethylene and benzene. It has satisfactory stiffness and dimensional stability, glossy surface and is easy to machine.
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