Thursday, November 17, 2011

What is Methyl chloride

Methyl chloride is a colorless gas with a faint sweet smell and an odor threshold of 10 ppm.
CAS:74-87-3
Molecular Formula:CH3Cl
Molecular Weight: 50.49g/mol
Its melting point is  ?97 °C(lit.). Bp is ?24.2 °C(lit.). It may decompose when exposured to moist air or water.It can be used  to make other chemicals and as a herbicide. It stable ,highly flammable. But incompatible with natural rubber and neoprene composites. It may react violently or explosively with interhalogens, magnesium, zinc, potassium, sodium or their alloys. Methyl chloride has also caused effects on the heart rate, blood pressure, liver, and kidneys in humans.  Chronic (long-term) animal studies have shown liver, kidney, spleen, and central nervous system (CNS) effects. Inhalation studies have demonstrated that methyl chloride causes reproductive effects in male rats, with effects such as testicular lesions and decreased sperm production. This product should be stored from 2°C to 8°C.

Application:
1.Methyl chloride is used mainly in the production of silicones where it is used to make methylate silicon.
2.Methyl chloride was used widely in refrigerators in the past, but generally this use has been taken over by newer chemicals such as Freon.
3.production of agricultural chemicals, methyl cellulose, quaternary amines, and butyl rubber and for miscellaneous uses including tetramethyl lead.
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