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Current intelligence bulletin 24 - direct blue 6, direct black 38, direct brown 95 - benzidine derived dyes.
Rockville, MD: U.S. Department of Health, Education, and Welfare, Public Health Service, Centers for Disease Control, National Institute for Occupational Safety and Health, DHEW (NIOSH) Publication No. 78-148, (CIB 24), 1978 Apr; :1-19
Preliminary findings on the benzidine (92875) based dyes Direct- Black-38 (1937377), Direct-Blue-6 (2602462), and Direct Brown 95 (10300740) are presented. The results of the National Cancer Institute (NCI) short term animal feeding study, NIOSH field studies, and other pertinent research are reviewed. Implications for occupational health and guidelines for minimizing employee exposure to the three dyes are discussed. NIOSH recommends that the three dyes be handled as human carcinogens.
NIOSH-Author; NIOSH-Current-Intelligence-Bulletin-No-24; Carcinogenicity; Organic-chemicals; Inorganic-pigments; Carcinogens; Chemical-factory-workers; Safety-measures; Protective-measures; Control-methods
92-87-5; 1937-37-7; 2602-46-2; 10300-74-0
Numbered Publication; Current Intelligence Bulletin
NTIS Accession No.
DHEW (NIOSH) Publication No. 78-148; CIB 24
National Institute for Occupational Safety and Health
Page last reviewed: May 5, 2020
Content source: National Institute for Occupational Safety and Health Education and Information Division