benzidine(redirected from 1,2-diphenylhydrazine)
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a compound formed by the action of acids on hydrazobenzene, once widely used in testing for occult blood; its use is now limited because it is toxic and carcinogenic.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
A p-diaminophenyl, previously used to detect stool blood and agueous sulfates and as a reagent in special stains; now identified as a carcinogen.
Farlex Partner Medical Dictionary © Farlex 2012
benzidineA yellowish or reddish crystalline powder used in a test to detect small quantities of blood.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005