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Hazard Predictions

• Generates heat: Exothermic reaction at ambient temperatures (releases heat)
• Polymerization hazard: Polymerization reaction may become intense and may cause pressurization

Epoxide rings can be opened even by a trace of acid. Phenol is a weak acid, and could potentially cause this reaction to occur (Loudon, Marc. 2002. Organic Chemistry. 4th ed. New York: Oxford University Press. p. 469).

The combination of epoxides with phenols, such as bisphenol A, can initiate epoxide polymerization, especially when heated. This reaction will occur much faster in the presence of an acid or base catalyst (Smith, M. E., Ishida, H. Macromolecules, 1994, 27 (10), pp. 2701-2707).