*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : PC4959775 CHEMICAL NAME : Methanone, (4-hydroxyphenyl)phenyl- CAS REGISTRY NUMBER : 1137-42-4 LAST UPDATED : 199701 DATA ITEMS CITED : 4 MOLECULAR FORMULA : C13-H10-O2 MOLECULAR WEIGHT : 198.23 SYNONYMS/TRADE NAMES : * Benzophenone, 4-hydroxy- * p-Benzoylphenol * 4-Benzoylphenol * p-Hydroxybenzophenone * 4-Hydroxybenzophenone * 4'-Hydroxybenzophenone * (4-Hydroxyphenyl)phenylmethanone *** 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 : 12086 mg/kg TOXIC EFFECTS : Behavioral - somnolence (general depressed activity) Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - other changes REFERENCE : TOVEFN Toksikologicheskii Vestnik. (18-20 Vadkovskii per. Moscow, 101479, Russia) History Unknown Volume(issue)/page/year: (2),25,1994 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 3724 mg/kg TOXIC EFFECTS : Behavioral - somnolence (general depressed activity) Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - other changes REFERENCE : TOVEFN Toksikologicheskii Vestnik. (18-20 Vadkovskii per. Moscow, 101479, Russia) History Unknown Volume(issue)/page/year: (2),25,1994 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 1154 mg/kg TOXIC EFFECTS : Behavioral - somnolence (general depressed activity) Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - other changes REFERENCE : TOVEFN Toksikologicheskii Vestnik. (18-20 Vadkovskii per. Moscow, 101479, Russia) History Unknown Volume(issue)/page/year: (2),25,1994 *** STATUS IN U.S. *** EPA TSCA Section 8(b) CHEMICAL INVENTORY *** END OF RECORD ***