*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : TZ4900000 CHEMICAL NAME : Propanenitrile, 2-methyl- CAS REGISTRY NUMBER : 78-82-0 BEILSTEIN REFERENCE NO. : 1340512 REFERENCE : 4-02-00-00853 (Beilstein Handbook Reference) LAST UPDATED : 199701 DATA ITEMS CITED : 12 MOLECULAR FORMULA : C4-H7-N MOLECULAR WEIGHT : 69.12 WISWESSER LINE NOTATION : NCY1&1 COMPOUND DESCRIPTOR : Primary Irritant SYNONYMS/TRADE NAMES : * 2-Cyanopropane * Dimethylacetonitrile * Isopropyl cyanide * Isopropylkyanid * Isopropyl nitrile * alpha-Methylpropanenitrile * 2-Methylpropanenitrile * 2-Methylpropionitrile *** HEALTH HAZARD DATA *** ** SKIN/EYE IRRITATION DATA ** TYPE OF TEST : Open irritation test ROUTE OF EXPOSURE : Administration onto the skin SPECIES OBSERVED : Rodent - rabbit DOSE/DURATION : 380 mg REACTION SEVERITY : Mild REFERENCE : UCDS** Union Carbide Data Sheet. (Union Carbide Corp., 39 Old Ridgebury Rd., Danbury, CT 06817) Volume(issue)/page/year: 10/29/1959 ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 50 mg/kg TOXIC EFFECTS : Behavioral - convulsions or effect on seizure threshold Behavioral - muscle weakness Vascular - regional or general arteriolar or venous dilation REFERENCE : 38MKAJ "Patty's Industrial Hygiene and Toxicology," 3rd rev. ed., Clayton, G.D., and F.E. Clayton, eds., New York, John Wiley & Sons, Inc., 1978-82. Vol. 3 originally pub. in 1979; pub. as 2nd rev. ed. in 1985. Volume(issue)/page/year: 2C,4874,1982 TYPE OF TEST : LCLo - Lowest published lethal concentration ROUTE OF EXPOSURE : Inhalation SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 1000 ppm/4H TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : AIHAAP American Industrial Hygiene Association Journal. (AIHA, 475 Wolf Ledges Pkwy., Akron, OH 44311) V.19- 1958- Volume(issue)/page/year: 23,95,1962 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 25 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : ARTODN Archives of Toxicology. (Springer-Verlag, Heidelberger Pl. 3, D-1000 Berlin 33, Fed. Rep. Ger.) V.32- 1974- Volume(issue)/page/year: 55,47,1984 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 25 mg/kg TOXIC EFFECTS : Behavioral - convulsions or effect on seizure threshold Behavioral - excitement Lungs, Thorax, or Respiration - dyspnea REFERENCE : ZAARAM Zentralblatt fuer Arbeitsmedizin und Arbeitsschutz. (Darmstadt, Fed. Rep. Ger.) V.1-25, 1951-75. Volume(issue)/page/year: 19,225,1969 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - rabbit DOSE/DURATION : 14 mg/kg TOXIC EFFECTS : Behavioral - somnolence (general depressed activity) Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - dyspnea REFERENCE : ZAARAM Zentralblatt fuer Arbeitsmedizin und Arbeitsschutz. (Darmstadt, Fed. Rep. Ger.) V.1-25, 1951-75. Volume(issue)/page/year: 19,225,1969 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Administration onto the skin SPECIES OBSERVED : Rodent - rabbit DOSE/DURATION : 200 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : ZAARAM Zentralblatt fuer Arbeitsmedizin und Arbeitsschutz. (Darmstadt, Fed. Rep. Ger.) V.1-25, 1951-75. Volume(issue)/page/year: 19,225,1969 TYPE OF TEST : LDLo - Lowest published lethal dose ROUTE OF EXPOSURE : Subcutaneous SPECIES OBSERVED : Rodent - rabbit DOSE/DURATION : 9 mg/kg TOXIC EFFECTS : Peripheral Nerve and Sensation - spastic paralysis with or without sensory change Lungs, Thorax, or Respiration - respiratory stimulation Gastrointestinal - hypermotility, diarrhea REFERENCE : AIPTAK Archives Internationales de Pharmacodynamie et de Therapie. (Heymans Institute of Pharmacology, De Pintelaan 185, B-9000 Ghent, Belgium) V.4- 1898- Volume(issue)/page/year: 5,161,1899 TYPE OF TEST : LDLo - Lowest published lethal dose ROUTE OF EXPOSURE : Administration onto the skin SPECIES OBSERVED : Rodent - guinea pig DOSE/DURATION : 5 gm/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : 38MKAJ "Patty's Industrial Hygiene and Toxicology," 3rd rev. ed., Clayton, G.D., and F.E. Clayton, eds., New York, John Wiley & Sons, Inc., 1978-82. Vol. 3 originally pub. in 1979; pub. as 2nd rev. ed. in 1985. Volume(issue)/page/year: 2C,4874,1982 TYPE OF TEST : LDLo - Lowest published lethal dose ROUTE OF EXPOSURE : Subcutaneous SPECIES OBSERVED : Amphibian - frog DOSE/DURATION : 4800 mg/kg TOXIC EFFECTS : Peripheral Nerve and Sensation - spastic paralysis with or without sensory change Behavioral - tremor Lungs, Thorax, or Respiration - dyspnea REFERENCE : AIPTAK Archives Internationales de Pharmacodynamie et de Therapie. (Heymans Institute of Pharmacology, De Pintelaan 185, B-9000 Ghent, Belgium) V.4- 1898- Volume(issue)/page/year: 5,161,1899 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH RECOMMENDED EXPOSURE LEVEL (REL) : NIOSH REL TO ISOBUTYRONITRILE-air:10H TWA 8 ppm REFERENCE : NIOSH* National Institute for Occupational Safety and Health, U.S. Dept. of Health, Education, and Welfare, Reports and Memoranda. Volume(issue)/page/year: DHHS #92-100,1992 *** STATUS IN U.S. *** EPA TSCA Section 8(b) CHEMICAL INVENTORY *** END OF RECORD ***