*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : RZ2464000 CHEMICAL NAME : 1,3-Pentadiene CAS REGISTRY NUMBER : 504-60-9 BEILSTEIN REFERENCE NO. : 1523657 REFERENCE : 4-01-00-00995 (Beilstein Handbook Reference) LAST UPDATED : 199710 DATA ITEMS CITED : 7 MOLECULAR FORMULA : C5-H8 MOLECULAR WEIGHT : 68.13 WISWESSER LINE NOTATION : 2U2U1 SYNONYMS/TRADE NAMES : * 1-Methylbutadiene * Piperylene * RCRA waste number U186 *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LC50 - Lethal concentration, 50 percent kill ROUTE OF EXPOSURE : Inhalation SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 140 gm/m3/2H TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : 85GMAT "Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982 Volume(issue)/page/year: -,101,1982 TYPE OF TEST : LC50 - Lethal concentration, 50 percent kill ROUTE OF EXPOSURE : Inhalation SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 1100 mg/m3/2H TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : 85GMAT "Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982 Volume(issue)/page/year: -,101,1982 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 82971 No. of Facilities: 20 (estimated) No. of Industries: 1 No. of Occupations: 2 No. of Employees: 614 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 82971 No. of Facilities: 3 (estimated) No. of Industries: 1 No. of Occupations: 3 No. of Employees: 68 (estimated) *** STATUS IN U.S. *** EPA TSCA Section 8(b) CHEMICAL INVENTORY EPA TSCA Section 8(e) Risk Notification, 8EHQ-0892-9276 EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998 *** END OF RECORD ***