*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : DB9100000 CHEMICAL NAME : 1,2,4,5-Benzenetetracarbonitrile CAS REGISTRY NUMBER : 712-74-3 LAST UPDATED : 199410 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C10-H2-N4 MOLECULAR WEIGHT : 178.16 WISWESSER LINE NOTATION : NCR BCN DCN ECN SYNONYMS/TRADE NAMES : * 1,2,4,5-Benzentetrakarbonitril * 1,2,4,5-Benzenetetranitrile * Pyromellitic acid tetranitrile * Pyromellitic nitrile * Pyromellitic tetranitrile * Pyromellitonitrile * Pyromellitotetranitrile * Tetracyanobenzene * sym-Tetracyanobenzene * 1,2,4,5-Tetracyanobenzene *** 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 : 28 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : TPKVAL Toksikologiya Novykh Promyshlennykh Khimicheskikh Veshchestv. Toxicology of New Industrial Chemical Substances. For English translation, see TNICS*. (Izdatel'stvo Meditsina, Moscow, USSR) No.1- 1961- Volume(issue)/page/year: 7,180,1965 *** END OF RECORD ***