*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : DA0716000 CHEMICAL NAME : Benzene, (1-ethyl-2-methylpropyl)- CAS REGISTRY NUMBER : 19219-86-4 BEILSTEIN REFERENCE NO. : 1927741 REFERENCE : 4-05-00-01120 (Beilstein Handbook Reference) LAST UPDATED : 199612 DATA ITEMS CITED : 3 MOLECULAR FORMULA : C12-H18 MOLECULAR WEIGHT : 162.30 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * t-Butyl ethylbenzene * (1-Ethyl-2-methylpropyl)benzene *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Administration onto the skin SPECIES OBSERVED : Rodent - rat DOSE/DURATION : >2 gm/kg TOXIC EFFECTS : Behavioral - changes in motor activity (specific assay) Skin and Appendages - dermatitis, other (after systemic exposure) Nutritional and Gross Metabolic - other changes REFERENCE : EPASR* United States Environmental Protection Agency, Office of Pesticides and Toxic Substances. (U.S. Environmental Protection Agency, 401 M St., SW, Washington, DC 20460) History unknown. Volume(issue)/page/year: 8EHQ-0591-0893 FLWP TYPE OF TEST : LC50 - Lethal concentration, 50 percent kill ROUTE OF EXPOSURE : Inhalation SPECIES OBSERVED : Rodent - rabbit DOSE/DURATION : >5700 mg/m3/4H TOXIC EFFECTS : Lungs, Thorax, or Respiration - other changes Nutritional and Gross Metabolic - other changes REFERENCE : EPASR* United States Environmental Protection Agency, Office of Pesticides and Toxic Substances. (U.S. Environmental Protection Agency, 401 M St., SW, Washington, DC 20460) History unknown. Volume(issue)/page/year: 8EHQ-0591-0893FLWP TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Administration onto the skin SPECIES OBSERVED : Rodent - rabbit DOSE/DURATION : >2 gm/kg TOXIC EFFECTS : Behavioral - changes in motor activity (specific assay) Lungs, Thorax, or Respiration - respiratory stimulation Skin and Appendages - dermatitis, irritative (after systemic exposure) REFERENCE : EPASR* United States Environmental Protection Agency, Office of Pesticides and Toxic Substances. (U.S. Environmental Protection Agency, 401 M St., SW, Washington, DC 20460) History unknown. Volume(issue)/page/year: 8EHQ-0591-0893FLWP *** END OF RECORD ***