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Hazard Predictions

• Explosive: Reaction products may be explosive or sensitive to shock or friction
• Generates heat: Exothermic reaction at ambient temperatures (releases heat)

Acids may initiate the exothermic Beckmann rearrangement of oximes, accompanied by potentially catastrophic gas evolution. Oximes can hydrolyze under acidic conditions, releasing aldehydes or ketones (Bretherick, L. 1996. Bretherick's Handbook of Reactive Chemical Hazards. Fifth Ed. Urben, P.G., Ed. Butterworth-Heinemann, Boston, MA. Vol 1, p. 569; Vol. 2, p. 278). Carboxylic acids are weak acids and may react in this way, although these reactions are more likely with stronger acids.