Isobutyronitrile is established following review and consideration by the National Advisory Committee for AEGLs (NAC/AEGL) of public comments on Proposed AEGLs.
A clear colorless liquid. Flash point 47°F . Less dense than water. Vapors heavier than air. Toxic oxides of nitrogen produced during combustion. Examples are acetonitrile from acetic acid and benzonitrile from benzoic acid. The prefix, 'cyano-' is used as an alternative naming system to indicate the presence of a nitrile group in a molecule for the compounds of salts and organic derivatives of hydrogen cyanide (HC≌N). It is used as an organic solvent, in producing Insecticides, and as a gasoline additive (EPA - Chemical Emergency Preparedness and Prevention). Interim AEGLs are available for use by organizations altho expecting Nuclear Regulatory Commission/atomic number 11* peer limited review and publication of Final AEGLs. Changes to Interim values and Technical Support Documents may occur prior to publication of Final AEGL values.
In some cases, revised Interim values may be branded during this cyberspace internet site, but the amended impermanent Technical Support Document for the chemical may be dependent to change. Isobutyronitrile is not listed as a WHO, as acutely toxic by the EPA, nor is it thought to be a Cholinesterase Inhibitor (PAN). It is considered to be a neurotoxicant and respiratory toxicant (Scorecard).
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