*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : XN6476000 CHEMICAL NAME : Thiosulfuric acid, disodium salt CAS REGISTRY NUMBER : 7772-98-7 LAST UPDATED : 199710 DATA ITEMS CITED : 9 MOLECULAR FORMULA : O3-S2.2Na MOLECULAR WEIGHT : 158.10 WISWESSER LINE NOTATION : WSSO &-NA- 2 SYNONYMS/TRADE NAMES : * Chlorine Control * Chlorine Cure * Declor-It * Disodium thiosulfate * S-Hydril * Sodium hyposulfite * Sodium oxide sulfide (Na2S2O3) * Sodium thiosulfate * Sodium thiosulfate anhydrous * Sodium thiosulphate (Na2S2O3) * Sodothiol *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD - Lethal dose ROUTE OF EXPOSURE : Intravenous SPECIES OBSERVED : Rodent - rat DOSE/DURATION : >2500 mg/kg TOXIC EFFECTS : Behavioral - convulsions or effect on seizure threshold REFERENCE : JPETAB Journal of Pharmacology and Experimental Therapeutics. (Williams & Wilkins Co., 428 E. Preston St., Baltimore, MD 21202) V.1- 1909/10- Volume(issue)/page/year: 25,297,1925 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 5200 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : NYKZAU Nippon Yakurigaku Zasshi. Japanese Journal of Pharmacology. (Nippon Yakuri Gakkai, c/o Kyoto Daigaku Igakubu Yakurigaku Kyoshitsu, Konoe-cho, Yoshida, Sakyo-ku, Kyoto 606, Japan) V.40- 1944- Volume(issue)/page/year: 53,404,1957 TYPE OF TEST : LDLo - Lowest published lethal dose ROUTE OF EXPOSURE : Subcutaneous SPECIES OBSERVED : Rodent - rabbit DOSE/DURATION : 4 gm/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : AIPTAK Archives Internationales de Pharmacodynamie et de Therapie. (Heymans Institute of Pharmacology, De Pintelaan 185, B-9000 Ghent, Belgium) V.4- 1898- Volume(issue)/page/year: 5,161,1899 TYPE OF TEST : LDLo - Lowest published lethal dose ROUTE OF EXPOSURE : Subcutaneous SPECIES OBSERVED : Amphibian - frog DOSE/DURATION : 6 gm/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : AIPTAK Archives Internationales de Pharmacodynamie et de Therapie. (Heymans Institute of Pharmacology, De Pintelaan 185, B-9000 Ghent, Belgium) V.4- 1898- Volume(issue)/page/year: 5,161,1899 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 80153 No. of Facilities: 11199 (estimated) No. of Industries: 107 No. of Occupations: 62 No. of Employees: 61158 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 80153 No. of Facilities: 13359 (estimated) No. of Industries: 118 No. of Occupations: 89 No. of Employees: 143967 (estimated) No. of Female Employees: 55082 (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 *** END OF RECORD ***