*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : UQ8230000 CHEMICAL NAME : 3,5-Pyrazolidinedione, 4-butyl-1,2-diphenyl-, mixt. with aluminium hydroxide and magnesium silicon oxide CAS REGISTRY NUMBER : 66029-37-6 LAST UPDATED : 198608 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C19-H20-N2-O2.Al-H3-O3.Mg2-O8-Si3 MOLECULAR WEIGHT : 647.31 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * Butazolidin alka * Butazolidine alka * Butazolidin soft *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 900 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : OYYAA2 Oyo Yakuri. Pharmacometrics. (Oyo Yakuri Kenkyukai, CPO Box 180, Sendai 980-91, Japan) V.1- 1967- Volume(issue)/page/year: 17,1069,1979 *** END OF RECORD ***