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Hazard Predictions

• Potentially hazardous: May be hazardous but unknown

Although no specific evidence was found for a hazardous reaction between aromatic amines and weak oxidizing agents, aromatic amines can undergo hazardous reactions with strong oxidizing agents, as shown in the examples below. Therefore, we urge chemists to perform testing to ensure that hazards do not occur under conditions appropriate to their scenario.

Aniline explodes on contact with perchloryl fluoride (Lewis, R.J., Sr. 1992. Sax's Dangerous Properties of Industrial Materials, 8th Edition. New York: Van Nostrand Reinhold. pp. 254.), fluorine nitrate (Lewis 254), and nitryl hypofluorite (Handbook of Preparative Inorganic Chemistry, Brauer, G., (Translation Ed. Riley, R.F.), London, Academic Press, 1963, Vol. 1, pp. 189); and it reacts vigorously with group I metal peroxides (Fire and Explosion Risks, von Schwartz, E., London, Griffin, 1918, p. 328; Lewis 254) and silver perchlorate (Lewis 254).

Aniline may spontaneously ignite with aqueous sodium peroxide (Lewis, R.J., Sr. 1992. Sax's Dangerous Properties of Industrial Materials, 8th Edition. New York: Van Nostrand Reinhold. pp. 254.).

Benzylethylaniline ignites on contact with CrO3 (Fawcett, H.H. 1959. Industrial and Engineering Chemistry Research 51(4):90A; Mikhailov, V. 1960. Chemical Abstracts 54:23331f; Mellor, J.W. 1943. Mellor's Comprehensive Treatise on Inorganic and Theoretical Chemistry. Vol. 11, p. 235. Longmans, Green and Co Ltd.).

Aromatic amines may also form potentially explosive diazonium salts with NaNO2 in acid solution, evolving acidic gases (Voght, P.F. 2002. Amines, Aromatic. In Ullmann's Encyclopedia of Industrial Chemistry, Wiley-VCH Verlag GmbH & Co. KGaA. (Online)).