*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : NP9900000 CHEMICAL NAME : Isobutylamine CAS REGISTRY NUMBER : 78-81-9 LAST UPDATED : 199701 DATA ITEMS CITED : 5 MOLECULAR FORMULA : C4-H11-N MOLECULAR WEIGHT : 73.16 WISWESSER LINE NOTATION : Z1Y1&1 SYNONYMS/TRADE NAMES : * 1-Amino-2-methylpropane * Monoisobutylamine * NSC 8028 * 1-Propanamine, 2-methyl- * Valamine *** 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 : 224 mg/kg TOXIC EFFECTS : Behavioral - convulsions or effect on seizure threshold Behavioral - ataxia Behavioral - antipsychotic REFERENCE : TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 63,150,1982 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-DENMARK:STEL 5 ppm (15 mg/m3);Skin JAN 1993 OEL-GERMANY:TWA 5 ppm (15 mg/m3);Skin JAN 1993 OEL-SWITZERLAND:TWA 5 ppm (15 mg/m3);STEL 25 ppm (75 mg/m3) JAN 1993 *** STATUS IN U.S. *** EPA TSCA Section 8(b) CHEMICAL INVENTORY *** END OF RECORD ***