*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : TB8527000 CHEMICAL NAME : Phosphoric acid, calcium salt, hydrate (2:1:1) CAS REGISTRY NUMBER : 7758-23-8 LAST UPDATED : 199710 DATA ITEMS CITED : 6 MOLECULAR FORMULA : Ca.2H3-O4-P MOLECULAR WEIGHT : 236.08 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * Calcium phosphate, monobasic *** 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 : 17500 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 52(12),87,1987 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 15250 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 52(12),87,1987 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 84097 No. of Facilities: 661 (estimated) No. of Industries: 11 No. of Occupations: 35 No. of Employees: 14370 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 84097 No. of Facilities: 990 (estimated) No. of Industries: 9 No. of Occupations: 14 No. of Employees: 18990 (estimated) No. of Female Employees: 5892 (estimated) *** STATUS IN U.S. *** EPA TSCA Section 8(b) CHEMICAL INVENTORY EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998 *** END OF RECORD ***