*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : QK1295950 CHEMICAL NAME : 2-Naphthalenesulfonic acid, 6-((7-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo)-3-( (4-((4- amino-6(or 7)-sulfo-1-naphthalenyl)azo)phenyl)azo)-4-hydroxy-, trisodium salt CAS REGISTRY NUMBER : 8003-69-8 LAST UPDATED : 199712 DATA ITEMS CITED : 5 MOLECULAR FORMULA : C36-H26-N8-O11-S3.3Na MOLECULAR WEIGHT : 911.85 COMPOUND DESCRIPTOR : Tumorigen SYNONYMS/TRADE NAMES : * C.I. 31600 * C.I. Direct Black 80 * Phenazo Black OB *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - T0502 No. of Facilities: 245 (estimated) No. of Industries: 3 No. of Occupations: 7 No. of Employees: 5191 (estimated) No. of Female Employees: 4239 (estimated) *** STATUS IN U.S. *** EPA TSCA Section 8(b) CHEMICAL INVENTORY EPA TSCA Section 8(d) unpublished health/safety studies EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998 NTP Carcinogenesis studies; selected, October 1997 *** END OF RECORD ***