" /> CI Direct Black 38 - CISMeF





Preferred Label : CI Direct Black 38;

NCIt synonyms : CI 30235; 4-Amino-3-[[4'-((2,4-Diaminophenyl)azo)(1,1'-Biphenyl)-4-yl]azo]-5-Hydroxy-6-(Phenylazo)- 2,7-Naphthalenedisulfonic Acid, Disodium Salt;

NCIt related terms : DIRECT BLACK 38;

NCIt definition : A Benzidine-based azo dye that is metabolized to free Benzidine in vivo. Direct black 38 is primarily used for the dyeing of textiles, leather and paper. Benzidine and its metabolic derivatives have been detected in the urine of workers exposed to Benzidine-based dyes. Exposure to this dye is strongly associated with the occurrence of bladder cancer. (NCI05);

UNII : C7SV16SLWM;

CAS number : 1937-37-7;

Chemical formula : C34H27N9O7S2;

NSC code : 8679; 47756;

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