*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : EM2932000
CHEMICAL NAME           : 2-Butene
CAS REGISTRY NUMBER     : 107-01-7
BEILSTEIN REFERENCE NO. : 1718755
REFERENCE               : 3-01-00-00732 (Beilstein Handbook Reference)
LAST UPDATED            : 199710
DATA ITEMS CITED        : 6
MOLECULAR FORMULA       : C4-H8
MOLECULAR WEIGHT        : 56.12
SYNONYMS/TRADE NAMES :
   * beta-Butylene
   * Pseudobutylene
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 425 ppm
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J.,
   Prague, Czechoslovakia, Avicenum, 1986  Volume(issue)/page/year: -,12,1986

         *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA ***

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOHS - National Occupational Hazard Survey (1974)
     NOHS Hazard Code - 14144
       No. of Facilities: 35 (estimated)
       No. of Industries: 3
       No. of Occupations: 8
       No. of Employees: 1648 (estimated)
   
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - 14144
       No. of Facilities: 32 (estimated)
       No. of Industries: 1
       No. of Occupations: 1
       No. of Employees: 545 (estimated)

                          *** STATUS IN U.S. ***
 
   EPA TSCA Section 8(b) CHEMICAL INVENTORY
   
   EPA TSCA Section 8(d) unpublished health/safety studies
   
   EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998

 
                            *** END OF RECORD ***