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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)
• Toxic: Reaction products may be toxic

Urethane decomposes, producing inert CO2 gas and toxic ammonia gas, in hot aqueous acid (Lewis, R.J., Sr. 1992. Sax's Dangerous Properties of Industrial Materials, 8th Edition. New York: Van Nostrand Reinhold. pp. 3472).

Carbamates are decarboxylated by HCl to liberate inert CO2 gas (Smith, P. A. S., Open-Chain Nitrogen Compounds, Vol. I. New York: W. A. Benjamin, Inc., 1965, pp. 261 and 270).

Potential Gas Byproducts

• Carbon Dioxide (CO2)
• Ammonia (NH3)