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Hazard Predictions

• Explosive: Reaction products may be explosive or sensitive to shock or friction
• Flammable: Reaction products may be flammable
• Generates gas: Reaction liberates gaseous products and may cause pressurization

Amines react with Ni, Pt, and Cr to slowly liberate flammable H2 gas (Smith, P. A. S., Open-Chain Nitrogen Compounds, Vol. I. New York: W. A. Benjamin, Inc., 1965, pp. 334).

At ordinary temperatures and in the absence of water, mercury does not react with ammonia (DeVito, S. C. and Brooks, W. E. 2005. Mercury. Kirk-Othmer Encyclopedia of Chemical Technology. (Online)). However, ammonia with traces of water can result in the formation of an (unspecified) explosive compound (Thodos, G., Amer. Inst. Chem. Engrs. J., 1964, 10, 274).

Copper is attacked by ammonia solutions and amines (Kundig, K. J. A. and Dresher, W. H. 2010. Copper. Kirk-Othmer Encyclopedia of Chemical Technology. 1-50. (Online)).

When red-hot copper is exposed to ammonia or a volatile amine, the mild explosive copper nitride is formed. A similar reaction happens at elevated temperatures with phosphine (PH3) (Mellor, J.W. 1923. Mellor's Comprehensive Treatise on Inorganic and Theoretical Chemistry. Vol. 3, p. 88, 97. Longmans, Green and Co Ltd.).

Potential Gas Byproducts

• Hydrogen (H2)