*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : DF4727000 CHEMICAL NAME : 1,4-Benzodioxin, 6,7-dichloro-2-methyl- CAS REGISTRY NUMBER : 100310-85-8 LAST UPDATED : 198606 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C9-H6-Cl2-O2 MOLECULAR WEIGHT : 217.05 WISWESSER LINE NOTATION : T66 BO EOJ C1 HG IG SYNONYMS/TRADE NAMES : * 6,7-Dichloro-2-methyl-1,4-benzodioxin * 2-Methyl-6,7-dichloro-1,4-benzodioxin *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intravenous SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 75 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#07897 *** END OF RECORD ***