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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)
• Intense or explosive reaction: Reaction may be particularly intense, violent, or explosive
• Toxic: Reaction products may be toxic

Triethylamine ignites on contact with concentrated nitric acid (Schneebeli, P. et al. 962. Rech. Aeron. 87:33-46.).

Methylamine reacts violently with nitric acid (Lenga, R.E., ed. 1988. Sigma Aldrich Library of Chemical Safety Data, 2nd Edition. Sigma Aldrich. pp. 2283.).

Ethylene diamine reacts violently with nitric or sulfuric acids (Lewis, R.J., Sr. 1992. Sax's Dangerous Properties of Industrial Materials, 8th Edition. New York: Van Nostrand Reinhold. pp. 1554.).

Primary amines react with nitrous acid, producing N2 gas (Eller, K., E. Henkes. 2002. Amines, Aliphatic. In Ullmann's Encyclopedia of Industrial Chemistry, Wiley-VCH Verlag GmbH & Co. KGaA. (Online)).

Primary amines are converted into their corresponding alcohols by the action of nitrous acid, liberating N2 gas and potentially methanol (Rodd, E. H, Ed. Chemistry of Organic Compounds. New York: Elsevier Publishing Company, 1951. Vol. I pp. 390).

Primary amines may be attacked by acid permanganate to yield an aldehyde and ammonia, particularly in basic solution (Rodd, E. H, Ed. Chemistry of Organic Compounds. New York: Elsevier Publishing Company, 1951. Vol. I pp. 392).

Ethylphosphine explodes on contact with fuming nitric acid, and inflames with concentrated acid (Fire and Explosion Risks, von Schwartz, E., London, Griffin, 1918, p. 324-325).

Amines may react with oxidizing acids to form NOx gases (Predicted, citation needed).

Potential Gas Byproducts

• Aldehydes
• Nitrogen (N2)
• Ammonia (NH3)
• Hydrocarbons
• Nitrogen Oxides (NOx)
• Acid Fumes
• Base Fumes