*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : TF5775000 CHEMICAL NAME : Phosphorothioic acid, O,O-diethyl O-pyrazinyl ester CAS REGISTRY NUMBER : 297-97-2 BEILSTEIN REFERENCE NO. : 0884916 REFERENCE : 5-23-11-00128 (Beilstein Handbook Reference) LAST UPDATED : 199706 DATA ITEMS CITED : 12 MOLECULAR FORMULA : C8-H13-N2-O3-P-S MOLECULAR WEIGHT : 248.26 WISWESSER LINE NOTATION : T6N DNJ BOPS&O2&O2 COMPOUND DESCRIPTOR : Agricultural Chemical SYNONYMS/TRADE NAMES : * AC 18133 * American cyanamid 18133 * CL 18133 * Cynem * Cynophos * O,O-Diaethyl-O-(pyrazin-2-yl)-monothiophosphat * O,O-Diaethyl-O-(2-pyrazinyl)-thionophosphat * O,O-Diethyl O,2-pyrazinyl phosphorothioate * Diethyl O-2-pyrazinyl phosphorothionate * O,O-Diethyl O-2-pyrazinyl phosphorothionate * O,O-Diethyl O-pyrazinyl thiophosphate * EN 18133 * ENT 25,580 * Ethyl pyrazinyl phosphorothioate * Experimental nematocide 18,133 * Nemafos * Nemaphos * Nematocide GR * Phosphorothioic acid, O,O-diethyl O-2-pyrazinyl ester * Pyrazinol, O-ester with O,O-diethyl phosphorothioate * RCRA waste number P040 * Thionazin * Thionazine * Zinofos * Zinophos *** 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 : 3500 ug/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 14,515,1969 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Administration onto the skin SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 8 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : SPEADM Special Publication of the Entomological Society of America. (4603 Calvert Rd., College Park, MD 20740) Volume(issue)/page/year: 78-1,46,1978 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 5 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : 85JDAH "Organophosphorus Pesticides: Organic and Biological Chemistry," Eto, M., Cleveland, OH, CRC Press, Inc., 1974 Volume(issue)/page/year: -,197,1974 TYPE OF TEST : LDLo - Lowest published lethal dose ROUTE OF EXPOSURE : Ocular SPECIES OBSERVED : Rodent - rabbit DOSE/DURATION : 50 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : 85GYAV "Pflanzenschutz-und Schaedlingsbekaempfungsmittel: Abriss einer Toxikologie und Therapie von Vergiftungen," 2nd ed., Klimmer, O.R., Hattingen, Fed. Rep. Ger., Hundt-Verlag, 1971 Volume(issue)/page/year: -,36,1971 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Administration onto the skin SPECIES OBSERVED : Rodent - guinea pig DOSE/DURATION : 10 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : GUCHAZ Guide to the Chemicals Used in Crop Protection. (Information Canada, 171 Slater St., Ottawa, Ont., Canada) Volume(issue)/page/year: 6,498,1973 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Bird - pigeon DOSE/DURATION : 2370 ug/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : ASTTA8 ASTM Special Technical Publication. (American Soc. for Testing Materials, 1916 Race St., Philadelphia, PA 19103) No.1- 1911- Volume(issue)/page/year: (680),157,1979 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Bird - quail DOSE/DURATION : 3160 ug/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : ASTTA8 ASTM Special Technical Publication. (American Soc. for Testing Materials, 1916 Race St., Philadelphia, PA 19103) No.1- 1911- Volume(issue)/page/year: (680),157,1979 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Bird - duck DOSE/DURATION : 1680 ug/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 47,451,1979 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Administration onto the skin SPECIES OBSERVED : Bird - duck DOSE/DURATION : 7 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 47,451,1979 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Bird - wild bird species DOSE/DURATION : 2420 ug/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : ASTTA8 ASTM Special Technical Publication. (American Soc. for Testing Materials, 1916 Race St., Philadelphia, PA 19103) No.1- 1911- Volume(issue)/page/year: (680),157,1979 *** STATUS IN U.S. *** EPA TSCA Section 8(b) CHEMICAL INVENTORY On EPA IRIS database *** END OF RECORD ***