*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : FM6125000 CHEMICAL NAME : Chitin CAS REGISTRY NUMBER : 1398-61-4 LAST UPDATED : 199701 DATA ITEMS CITED : 2 MOLECULAR FORMULA : C30-H50-N4-O19 MOLECULAR WEIGHT : 770.84 WISWESSER LINE NOTATION : /T6OTJ B& CMV1 DQ EO& F1Q/ SYNONYMS/TRADE NAMES : * beta-Chitin * Chitina *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intravenous SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 50 mg/kg TOXIC EFFECTS : Lungs, Thorax, or Respiration - acute pulmonary edema REFERENCE : BSIBAC Bolletino della Societe Italiana di Biologia Sperimentale. (Casa Editrice Idelson, Via A. de Gasperi, 55, 80133 Naples, Italy) V.2- 1927- Volume(issue)/page/year: 44,1685,1968 *** STATUS IN U.S. *** EPA TSCA Section 8(b) CHEMICAL INVENTORY *** END OF RECORD ***