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white crystalline powder

Diphenylamine hydrochloride (N-Phenylaniline hydrochloride) is an antihyperglycemic agent with oral activity and a common structure in non-steroidal anti-inflammatory drugs (NSAIDs) that uncouples oxidative phosphorylation in mitochondria, leading to a decrease in hepatic cell ATP levels and causing liver cell damage. Diphenylamine hydrochloride is also an industrial antioxidant, a dyeing mordant, and is used in agriculture as an antifungal and antibacterial agent[1][2][3][4].

[1] W E Alexander, et al. Metabolism of diphenylamine in the rat, rabbit and man. Food Cosmet Toxicol. 1965 Oct;3(4):571-9. DOI:10.1016/s0015-6264(65)80203-6
[2] M S Karawya, wt al. Diphenylamine, an antihyperglycemic agent from onion and tea. J Nat Prod. 1984 Sep-Oct;47(5):775-80. DOI:10.1021/np50035a003
[3] Safe S, et al. Identification of toxic impurities in commercial diphenylamine. Bull Environ Contam Toxicol. 1977 Feb;17(2):204-7. DOI:10.1007/BF01685551
[4] Masubuchi Y, et al. Possible mechanism of hepatocyte injury induced by diphenylamine and its structurally related nonsteroidal anti-inflammatory drugs. J Pharmacol Exp Ther. 2000 Mar;292(3):982-7. PMID:10688613