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Hazard Predictions

• Flammable: Reaction products may be flammable
• Generates gas: Reaction liberates gaseous products and may cause pressurization
• Generates heat: Exothermic reaction at ambient temperatures (releases heat)
• Polymerization hazard: Polymerization reaction may become intense and may cause pressurization
• Toxic: Reaction products may be toxic

Acrylonitrile can polymerize violently and exothermically in strong bases, especially at increased temperatures (Castaneda Hernandez, H.R. et al. 1987. Chemical Abstracts 107:78274).

Nitriles can be hydrolyzed to carboxylate salts and toxic, flammable ammonia gas by heating them with strong bases (Loudon, Marc. 2002. Organic Chemistry. 4th ed. New York: Oxford University Press. p. 956).

Acrylonitrile reacts violently with strong bases (Lewis, R.J., Sr. 1992. Sax's Dangerous Properties of Industrial Materials, 8th Edition. New York: Van Nostrand Reinhold. pp. 69)

Nitriles and bases are incompatible with each other (Lenga, R.E., ed. 1988. Sigma Aldrich Library of Chemical Safety Data, 2nd Edition. Sigma Aldrich. pp. 21, 59.).

Potential Gas Byproducts

• Ammonia (NH3)