*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : UX1900000 CHEMICAL NAME : Pyrocatechol, 4-isopropyl- CAS REGISTRY NUMBER : 2138-43-4 BEILSTEIN REFERENCE NO. : 2043519 REFERENCE : 3-06-00-04632 (Beilstein Handbook Reference) LAST UPDATED : 199612 DATA ITEMS CITED : 2 MOLECULAR FORMULA : C9-H12-O2 MOLECULAR WEIGHT : 152.21 WISWESSER LINE NOTATION : QR BQ DY1&1 COMPOUND DESCRIPTOR : Primary Irritant SYNONYMS/TRADE NAMES : * 1,2-Benzenediol, 4-(1-methylethyl)- * 4-Isopropylcatechol *** HEALTH HAZARD DATA *** ** SKIN/EYE IRRITATION DATA ** TYPE OF TEST : Standard Draize test ROUTE OF EXPOSURE : Administration onto the skin SPECIES OBSERVED : Human - man DOSE/DURATION : 1%/48H REFERENCE : BJDEAZ British Journal of Dermatology. (Blackwell Scientific Pub. Ltd., POB 88, Oxford, UK) V.63- 1951- Volume(issue)/page/year: 94,687,1976 ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intravenous SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 56 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) Volume(issue)/page/year: NX#07862 *** END OF RECORD ***