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(or 2, 4, 6-trinitrophenylmethylnitramine), a white crystalline substance that yellows upon exposure to light. Tetryl melts at 129.5°C and has a density of 1.73 g/cm3. It is insoluble in water but dissolves readily in benzene, acetone, and dichloroethane.
Tetryl is obtained by nitration of the sulfate salts of N-methylaniline, N, N-dimethylaniline, or 2,4-dinitro-N-methylaniline. It is a high explosive, with a detonation rate of 7,500 m/sec at a density of 1.63 g/cm3 and a heat of explosion of 4,609 kilojoules per kg, or 1,100 kilocalories per kg. It is used in primers and as a booster explosive.