*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : DB5612000 CHEMICAL NAME : Benzenesulfonic acid, p-(3-(p-chlorophenyl)-2-pyrazolin-1-yl)-, sodium salt CAS REGISTRY NUMBER : 3021-22-5 LAST UPDATED : 198806 DATA ITEMS CITED : 2 MOLECULAR FORMULA : C15-H12-Cl-N2-O3-S.Na MOLECULAR WEIGHT : 358.79 SYNONYMS/TRADE NAMES : * Belophor * Benzenesulfonic acid, 4-(3-(4-chlorophenyl)-4,5-dihydro-1H-pyrazol-1-yl)-, sodium salt * p-(3-(p-Chlorophenyl)-2-pyrazolin-1-yl)benzenesulfonic acid sodium salt * Compound 47-3 * 1-(4'-Sulfophenyl)-3-(4''-chlorphenyl)pyrazolin sodium salt *** 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 : 5530 mg/kg TOXIC EFFECTS : Behavioral - altered sleep time (including change in righting reflex) Behavioral - excitement REFERENCE : GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 49(1),85,1984 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 6290 mg/kg TOXIC EFFECTS : Behavioral - altered sleep time (including change in righting reflex) Behavioral - excitement REFERENCE : GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 49(1),85,1984 *** END OF RECORD ***