*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : HP3325000 CHEMICAL NAME : Dibenzo-p-dioxin, 1-nitro-2,3,7,8-tetrachloro- CAS REGISTRY NUMBER : 62782-12-1 LAST UPDATED : 199303 DATA ITEMS CITED : 2 MOLECULAR FORMULA : C12-H3-Cl4-N-O4 MOLECULAR WEIGHT : 366.96 WISWESSER LINE NOTATION : T C666 BO IOJ DNW EG FG LG MG SYNONYMS/TRADE NAMES : * 1-Nitro-2,3,7,8-tetrachlorodibenzo-p-dioxin *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : >2 mg/kg TOXIC EFFECTS : Endocrine - changes in spleen weight Endocrine - changes in thymus weight Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol) REFERENCE : TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 44,335,1978 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - guinea pig DOSE/DURATION : 47500 ng/kg TOXIC EFFECTS : Nutritional and Gross Metabolic - weight loss or decreased weight gain REFERENCE : TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 44,335,1978 *** END OF RECORD ***