*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : QK4236000 CHEMICAL NAME : 1-Naphthalenol, 5-chloro-2-((2-hydroxy-4-nitrophenyl)azo)-, cobalt salt (2:1) CAS REGISTRY NUMBER : 61969-42-4 LAST UPDATED : 199701 DATA ITEMS CITED : 3 MOLECULAR FORMULA : C32-H20-Cl2-N6-O8.Co MOLECULAR WEIGHT : 746.41 WISWESSER LINE NOTATION : L66J BQ CNUNR BQ DNW& GG 2 &-CO- COMPOUND DESCRIPTOR : Mutagen SYNONYMS/TRADE NAMES : * 5-Chloro-2-((2-hydroxy-4-nitrophenyl)azo)-1-naphthalenol cobalt * C.I. Solvent Blue 53 * Orasol Navy Blue 2RB *** HEALTH HAZARD DATA *** ** MUTATION DATA ** TYPE OF TEST : Mutation in microorganisms TEST SYSTEM : Bacteria - Salmonella typhimurium DOSE/DURATION : 100 ug/plate REFERENCE : CRNGDP Carcinogenesis (London). (Oxford Univ. Press, Pinkhill House, Southfield Road, Eynsham, Oxford OX8 1JJ, UK) V.1- 1980- Volume(issue)/page/year: 2,879,1981 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - T0309 No. of Facilities: 32 (estimated) No. of Industries: 1 No. of Occupations: 4 No. of Employees: 536 (estimated) No. of Female Employees: 63 (estimated) *** STATUS IN U.S. *** EPA TSCA Section 8(b) CHEMICAL INVENTORY *** END OF RECORD ***