*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : DD1752000 CHEMICAL NAME : Benzidine, tetramethyl- CAS REGISTRY NUMBER : 34314-06-2 LAST UPDATED : 199504 DATA ITEMS CITED : 2 MOLECULAR FORMULA : C16-H20-N2 MOLECULAR WEIGHT : 240.38 COMPOUND DESCRIPTOR : Mutagen SYNONYMS/TRADE NAMES : * (1,1'-Biphenyl)-4,4'-diamine, tetramethyl- * Tetramethylbenzidine * Tetramethyl-(1,1'-biphenyl)-4,4'-diamine *** HEALTH HAZARD DATA *** ** MUTATION DATA ** TYPE OF TEST : DNA damage TEST SYSTEM : Bacteria - Bacillus subtilis DOSE/DURATION : 2 mg/disc REFERENCE : PMRSDJ Progress in Mutation Research. (Elsevier Science Pub. Co., Inc., 52 Vanderbilt Ave., New York, NY 10017) V.1- 1981- Volume(issue)/page/year: 1,175,1981 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X5677 No. of Facilities: 7 (estimated) No. of Industries: 1 No. of Occupations: 3 No. of Employees: 35 (estimated) No. of Female Employees: 14 (estimated) *** END OF RECORD ***