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Hazard Predictions

• Generates heat: Exothermic reaction at ambient temperatures (releases heat)
• Intense or explosive reaction: Reaction may be particularly intense, violent, or explosive
• Polymerization hazard: Polymerization reaction may become intense and may cause pressurization

If the anhydride is cleaved in some way (e.g. hydrolysis or aminolysis), the resulting carboxylate can act as a nucleophile in an epoxide ring-opening reaction. This is the mechanism for the co-polymerization of epoxides with anhydrides (R. F. Fischer, Ind. Eng. Chem., 1960, 52 (4), pp 321-323).