*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : RN1320000 CHEMICAL NAME : OS-40 (Phosphate ester) CAS REGISTRY NUMBER : 12798-63-9 LAST UPDATED : 199012 DATA ITEMS CITED : 4 SYNONYMS/TRADE NAMES : * WF-104 *** 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 : 2520 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : MRLR** U.S. Army, Chemical Corps Medical Laboratories Research Reports. (Army Chemical Center, Edgewood Arsenal, MD) Volume(issue)/page/year: #256,1954 TYPE OF TEST : LCLo - Lowest published lethal concentration ROUTE OF EXPOSURE : Inhalation SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 3900 mg/m3 TOXIC EFFECTS : Lungs, Thorax, or Respiration - dyspnea REFERENCE : XAWPA2 U.S. Army Chemical Warfare Laboratories. (Army Chemical Center, MD) Volume(issue)/page/year: CWL 2-10,1958 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intravenous SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 130 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : MRLR** U.S. Army, Chemical Corps Medical Laboratories Research Reports. (Army Chemical Center, Edgewood Arsenal, MD) Volume(issue)/page/year: #256,1954 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intravenous SPECIES OBSERVED : Rodent - rabbit DOSE/DURATION : 190 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : MRLR** U.S. Army, Chemical Corps Medical Laboratories Research Reports. (Army Chemical Center, Edgewood Arsenal, MD) Volume(issue)/page/year: #256,1954 *** END OF RECORD ***