*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : MX5600000 CHEMICAL NAME : Hydroquinone, 2,6-diiodo- CAS REGISTRY NUMBER : 1955-21-1 BEILSTEIN REFERENCE NO. : 2209260 REFERENCE : 3-06-00-04441 (Beilstein Handbook Reference) LAST UPDATED : 199701 DATA ITEMS CITED : 2 MOLECULAR FORMULA : C6-H4-I2-O2 MOLECULAR WEIGHT : 361.90 WISWESSER LINE NOTATION : QR DQ BI FI SYNONYMS/TRADE NAMES : * 1,4-Benzenediol, 2,6-diiodo- * 2,6-Diiodo-1,4-benzenediol * 2,6-Diiodoquinol *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 237 mg/kg TOXIC EFFECTS : Behavioral - altered sleep time (including change in righting reflex) Behavioral - somnolence (general depressed activity) REFERENCE : BCPCA6 Biochemical Pharmacology. (Pergamon Press Inc., Maxwell House, Fairview Park, Elmsford, NY 10523) V.1- 1958- Volume(issue)/page/year: 12,885,1963 *** STATUS IN U.S. *** EPA TSCA Section 8(b) CHEMICAL INVENTORY *** END OF RECORD ***