*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : XH5210000 CHEMICAL NAME : Theophylline, 8,8'-ethylenebis- CAS REGISTRY NUMBER : 1784-67-4 BEILSTEIN REFERENCE NO. : 1192852 LAST UPDATED : 199612 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C16-H18-N8-O4 MOLECULAR WEIGHT : 386.42 WISWESSER LINE NOTATION : T56 BM DN FNVNVJ F1 H1 C2- CT56 BM DN FNVNVJ F1 H1 SYNONYMS/TRADE NAMES : * 8,8'-Dimethylene-bis-theophylline * 8,8'-Ethylenebistheophylline *** 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 : 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#04374 *** END OF RECORD ***