*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : OM4800000 CHEMICAL NAME : Magnetite CAS REGISTRY NUMBER : 1309-38-2 LAST UPDATED : 199701 DATA ITEMS CITED : 3 MOLECULAR FORMULA : Fe3-O4 MOLECULAR WEIGHT : 231.55 COMPOUND DESCRIPTOR : Mutagen SYNONYMS/TRADE NAMES : * 11557 Black * Black Gold F 89 * Black Iron BM * EPT 500 * H 3S * Iron Black * KN 320 * Magnetic Black * Magnetic oxide * Meramec M 25 * RB-BL * Triiron tetraoxide *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - T1880 No. of Facilities: 7491 (estimated) No. of Industries: 70 No. of Occupations: 52 No. of Employees: 92026 (estimated) No. of Female Employees: 6770 (estimated) *** STATUS IN U.S. *** EPA GENETOX PROGRAM 1988, Negative: TRP reversion EPA TSCA Section 8(b) CHEMICAL INVENTORY *** END OF RECORD ***