*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : UQ8250000 CHEMICAL NAME : 3,5-Pyrazolidinedione, 4-butyl-1,2-diphenyl-, salt with 2-amino-2-thiazoline CAS REGISTRY NUMBER : 54749-86-9 LAST UPDATED : 197910 DATA ITEMS CITED : 3 MOLECULAR FORMULA : C22-H24-N3-O2-S MOLECULAR WEIGHT : 394.55 WISWESSER LINE NOTATION : T5VNNV EHJ BR& CR& E4 &T5N CS AUTJ BZ COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * 4-Butyl-1,2-diphenyl-3-hydroxy-5-oxo-2-thiazolinyl-2-pyrazolidinium * Fordonal * LAS 11871 * Phenylbutazone salt with 2-amino-2-thiazoline * 2-Thiazoline-2-ammonium-4-n-butyl-1,2-diphenyl-3,5-pyrazolidinedionate * Thiazolinobutazone * TZB *** 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 : 1425 mg/kg TOXIC EFFECTS : Gastrointestinal - ulceration or bleeding from stomach REFERENCE : ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 26,1347,1976 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 1650 mg/kg TOXIC EFFECTS : Behavioral - changes in motor activity (specific assay) REFERENCE : ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 26,1347,1976 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 338 mg/kg TOXIC EFFECTS : Behavioral - changes in motor activity (specific assay) REFERENCE : ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 26,1347,1976 *** END OF RECORD ***