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Acrylonitrile is an organic compound with the formula CH 2 CHCN and the structure H 2 C=CH−C≡N. It is a colorless, volatile liquid. It has a pungent odor of garlic or onions. [ 4 ]
Acrylamide can be prepared by the hydration of acrylonitrile, which is catalyzed enzymatically: [6] CH 2 =CHCN + H 2 O → CH 2 =CHC(O)NH 2. This reaction also is catalyzed by sulfuric acid as well as various metal salts. Treatment of acrylonitrile with sulfuric acid gives acrylamide sulfate, CH=CHC(O)NH 2 ·H 2 SO 4.
Acrylonitrile is commonly employed as a comonomer with styrene, e.g. acrylonitrile, styrene and acrylate plastics. Labelling of items of clothing with acrylic (see acrylic fiber) means the polymer consists of at least 85% acrylonitrile as the monomer. A typical comonomer is vinyl acetate, which can be solution-spun readily to obtain fibers that ...
Acrylonitrile butadiene styrene (ABS) (chemical formula (C 8 H 8) x · (C 4 H 6) y · (C 3 H 3 N) z) is a common thermoplastic polymer. Its glass transition temperature is approximately 105 °C (221 °F). [4] ABS is amorphous and therefore has no true melting point. ABS is a terpolymer made by polymerizing styrene and acrylonitrile in the ...
The main cause of toxic effects at lethal (and threshold) levels of MeAN is damage to the central nervous system. This, along with the signs of toxic effects displayed by all tested animals, is consistent with cyanide poisoning. Methacrylonitrile differs herein from acrylonitrile, which does not show cyanide related signs of toxicity.
Acrolein is toxic and is a strong irritant for the skin, eyes, and nasal passages. [5] The main metabolic pathway for acrolein is the alkylation of glutathione . The WHO suggests a "tolerable oral acrolein intake" of 7.5 μg per day per kg of body weight.
The increasing prevalence and potency of cannabis following the legalization of recreational marijuana sales in a number of states have also increased the rate of emergency room visits associated ...
Acrylic elastomer can generally be characterized as one of two types. "Old" types include ACM (copolymer of acrylic acid ester and 2-chloroethyl vinyl ether) containing chlorine and ANM (copolymer of acrylic acid ester and acrylonitrile) without chloride. "New" types do not contain chlorine and are less prone to mold-related staining.