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Medical Definition of Chrysoidin
1. 2,4-Diaminoazobenzene hydrochloride;a dye (MW 249) made from aniline, used in histology and as an indicator (changing from orange to yellow at pH 4.0 to 7.0); also employed as a substitute for Bismarck brown. Chrysoidin citrate and chrysoidin thiocyanate are used as antiseptics. (05 Mar 2000)