*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : XN0370000
CHEMICAL NAME           : Thiophene, tetrahydro-
CAS REGISTRY NUMBER     : 110-01-0
LAST UPDATED            : 199806
DATA ITEMS CITED        : 6
MOLECULAR FORMULA       : C4-H8-S
MOLECULAR WEIGHT        : 88.18
SYNONYMS/TRADE NAMES :
   * Tetrahydrothiofen
   * Tetramethylenesulfide
   * Thiacyclopentane
   * Thilane
   * Thiofan
   * Thiolane
   * Thiophane
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 1750 mg/kg
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
   Behavioral - tremor
   Behavioral - ataxia
REFERENCE :
   NTIS** National Technical Information Service.  (Springfield, VA 22161)
   Formerly U.S. Clearinghouse for Scientific & Technical Information.
   Volume(issue)/page/year: OTS0555157
 
TYPE OF TEST            : LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 27 gm/m3/2H
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: -,1088,1986

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

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOHS - National Occupational Hazard Survey (1974)
     NOHS Hazard Code - T0475
       No. of Facilities: 29 (estimated)
       No. of Industries: 2
       No. of Occupations: 2
       No. of Employees: 225 (estimated)
   
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - T0475
       No. of Facilities: 24 (estimated)
       No. of Industries: 1
       No. of Occupations: 1
       No. of Employees: 5593 (estimated)

                          *** STATUS IN U.S. ***
 
   EPA TSCA Section 8(b) CHEMICAL INVENTORY
   
   EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998

 
                            *** END OF RECORD ***