*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : QJ1527000
CHEMICAL NAME           : Naphthalene, bis(1-methylethyl)-
CAS REGISTRY NUMBER     : 38640-62-9
LAST UPDATED            : 199710
DATA ITEMS CITED        : 6
MOLECULAR FORMULA       : C16-H20
MOLECULAR WEIGHT        : 212.36
SYNONYMS/TRADE NAMES :
   * Bis(isopropyl)naphthalene
   * Diisopropylnaphthalene
   * K 113
   * KMC 113
   * KMC-R 113
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 3400 mg/kg
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
   Behavioral - changes in motor activity (specific assay)
   Blood - hemorrhage
REFERENCE :
   SRTCAC Science Reports of the Research Institutes, Tohoku University, Series
   C: Medicine. (Tohoku University, Research Institute for Tuberculosis and
   Cancer, 4-1 Seiryo-machi, Sendai, Japan)  V.1-   1949-
   Volume(issue)/page/year: 36(1-4),10,1989
 
                 ** OTHER MULTIPLE DOSE TOXICITY DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 3 gm/kg/30D-I
TOXIC EFFECTS :
   Liver - changes in liver weight
   Kidney, Ureter, Bladder - changes in bladder weight
   Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol)
REFERENCE :
   INHEAO Industrial Health.  (National Institute of Industrial Health, 6-21-1
   Nagao, Tama-ku, Kawasaki, 213 Japan)  V.1-    1963- Volume(issue)/page/year:
   20,283,1982

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

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - X2644
       No. of Facilities: 440 (estimated)
       No. of Industries: 7
       No. of Occupations: 7
       No. of Employees: 2087 (estimated)
       No. of Female Employees: 13 (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   EPA TSCA Section 8(d) unpublished health/safety studies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 ***