*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : TB2478000 CHEMICAL NAME : Phosphonous dichloride, phenyl- CAS REGISTRY NUMBER : 644-97-3 BEILSTEIN REFERENCE NO. : 0508189 REFERENCE : 4-16-00-00972 (Beilstein Handbook Reference) LAST UPDATED : 199710 DATA ITEMS CITED : 7 MOLECULAR FORMULA : C6-H5-Cl2-P MOLECULAR WEIGHT : 178.98 SYNONYMS/TRADE NAMES : * Dichlorophenylphosphine * Phenyldichlorophosphine * Phenylphosphine dichloride * Phenylphosphonous acid dichloride * Phenylphosphonous dichloride *** 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 : 200 mg/kg TOXIC EFFECTS : Behavioral - somnolence (general depressed activity) Skin and Appendages - hair REFERENCE : NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: 0TS0555341 TYPE OF TEST : LDLo - Lowest published lethal dose ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 100 mg/kg TOXIC EFFECTS : Behavioral - somnolence (general depressed activity) Lungs, Thorax, or Respiration - dyspnea Skin and Appendages - hair REFERENCE : NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: 0TS0555341 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 100 mg/kg TOXIC EFFECTS : Behavioral - altered sleep time (including change in righting reflex) Behavioral - somnolence (general depressed activity) Behavioral - convulsions or effect on seizure threshold REFERENCE : NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: 0TS0555341 TYPE OF TEST : LDLo - Lowest published lethal dose ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 100 mg/kg TOXIC EFFECTS : Behavioral - somnolence (general depressed activity) Behavioral - tremor Skin and Appendages - hair REFERENCE : NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: 0TS0555341 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 84112 No. of Facilities: 21 (estimated) No. of Industries: 1 No. of Occupations: 3 No. of Employees: 269 (estimated) *** STATUS IN U.S. *** EPA TSCA Section 8(b) CHEMICAL INVENTORY EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998 *** END OF RECORD ***