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Hazard Predictions

• Generates gas: Reaction liberates gaseous products and may cause pressurization
• Generates heat: Exothermic reaction at ambient temperatures (releases heat)
• Intense or explosive reaction: Reaction may be particularly intense, violent, or explosive

Reaction of acetic anhydride and tetrafluoroboric acid is exothermic, and the reaction can be explosive even at 0 C (Lichtenberg, D.W. et al. 1975. Journal of Organometallic Chemistry 94:319; Wudo, F. et al. 1979. Inorganic Synthetics 19:29).

Acetic anhydride is violently and exothermically hydrolyzed by HCl, generating CO2 (Lewis, R.J., Sr. 1992. Sax's Dangerous Properties of Industrial Materials, 8th Edition. New York: Van Nostrand Reinhold. pp. 1893; Urben, P.G. 1995. Bretherick's Handbook of Reactive Chemical Hazards, 5th Edition. Oxford: Butterworth-Heinemann. pp. 535.), hydrofluoric acid (Lewis 1897), boric acid (Lerner, L.M. 1973. Chemical and Engineering News 51(34):42), or polyphosphoric acid (Monfort, B. et al. 1987. Bull. Coc. Chim. (Fr.) 848-854.).

Potential Gas Byproducts

• Carbon Dioxide (CO2)