*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : EB2984460 CHEMICAL NAME : Bismuth oxide CAS REGISTRY NUMBER : 1304-76-3 LAST UPDATED : 199701 DATA ITEMS CITED : 5 MOLECULAR FORMULA : Bi2-O3 MOLECULAR WEIGHT : 465.96 SYNONYMS/TRADE NAMES : * Bismuthous oxide * Bismuth(3+) oxide * Bismuth sesquioxide * Bismuth trioxide * Bismuth Yellow * C.I. 77160 * Dibismuth trioxide *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 5 gm/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 30(6),16,1986 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 10 gm/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 30(6),16,1986 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 81730 No. of Facilities: 231 (estimated) No. of Industries: 5 No. of Occupations: 11 No. of Employees: 2004 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 81730 No. of Facilities: 56 (estimated) No. of Industries: 8 No. of Occupations: 12 No. of Employees: 2871 (estimated) No. of Female Employees: 634 (estimated) *** STATUS IN U.S. *** EPA TSCA Section 8(b) CHEMICAL INVENTORY *** END OF RECORD ***