*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : EJ9350000
CHEMICAL NAME           : Butane, 2,3-dimethyl-
CAS REGISTRY NUMBER     : 79-29-8
LAST UPDATED            : 199710
DATA ITEMS CITED        : 5
MOLECULAR FORMULA       : C6-H14
MOLECULAR WEIGHT        : 86.20
WISWESSER LINE NOTATION : 1Y1&Y1&1
SYNONYMS/TRADE NAMES :
   * Diisopropyl
   * 1,1,2,2-Tetramethylethane
 
                       *** HEALTH HAZARD DATA ***
 
                 ** OTHER MULTIPLE DOSE TOXICITY DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 10 gm/kg/4W-I
TOXIC EFFECTS :
   Kidney, Ureter, Bladder - changes in tubules (including acute renal failure,
   acute tubular necrosis)
   Biochemical - Enzyme inhibition, induction, or change in blood or tissue
   levels - peptidases
   Related to Chronic Data - death
REFERENCE :
   TIHEEC Toxicology and Industrial Health.  (Princeton Scientific Pub. Co.,
   POB 2155, Princeton, NJ 08540)  V.1-    1985-  Volume(issue)/page/year:
   1(3),67,1985

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

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOHS - National Occupational Hazard Survey (1974)
     NOHS Hazard Code - 83525
       No. of Facilities: 47 (estimated)
       No. of Industries: 3
       No. of Occupations: 4
       No. of Employees: 16579 (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   EPA TSCA Section 8(d) unpublished health/safety studies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 ***