*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : PC1075000
CHEMICAL NAME           : 4,7-Methanoindene, 3a,4,7,7a-tetrahydrodimethyl-
CAS REGISTRY NUMBER     : 26472-00-4
LAST UPDATED            : 199710
DATA ITEMS CITED        : 7
MOLECULAR FORMULA       : C12-H16
MOLECULAR WEIGHT        : 160.28
WISWESSER LINE NOTATION : L C555 A DU IUTJ E1 X1
COMPOUND DESCRIPTOR     : Drug
SYNONYMS/TRADE NAMES :
   * Bis(methylcyclopentadiene)
   * 4,7-Methano-1H-indene, 3a,4,7,7a-tetrahydrodimethyl-
   * Methylcyclopentadiene dimer
   * 3a,4,7,7a-Tetrahydrodimethyl-4,7-methanoindene
   * 3a,4,7,7a-Tetrahydrodimethyl-4,7-methano-1H-indene
 
                       *** 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           : 7700 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   GTPZAB Gigiena Truda i Professional'nye Zabolevaniya.  Labor Hygiene and
   Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR)
   V.1-36, 1957-1992. For publisher information, see MTPEEI
   Volume(issue)/page/year: 25(5),45,1981
 
TYPE OF TEST            : LC - Lethal concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Mammal - species unspecified
DOSE/DURATION           : >500 mg/m3
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   GTPZAB Gigiena Truda i Professional'nye Zabolevaniya.  Labor Hygiene and
   Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR)
   V.1-36, 1957-1992. For publisher information, see MTPEEI
   Volume(issue)/page/year: 25(5),45,1981
 
                 ** OTHER MULTIPLE DOSE TOXICITY DATA **
 
TYPE OF TEST            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 54 mg/m3/17W-I
TOXIC EFFECTS :
   Brain and Coverings - recordings from specific areas of CNS
   Kidney, Ureter, Bladder - other changes in urine composition
   Nutritional and Gross Metabolic - changes in chlorine
REFERENCE :
   GTPZAB Gigiena Truda i Professional'nye Zabolevaniya.  Labor Hygiene and
   Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR)
   V.1-36, 1957-1992. For publisher information, see MTPEEI
   Volume(issue)/page/year: 25(5),45,1981
 
TYPE OF TEST            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - guinea pig
DOSE/DURATION           : 54 mg/m3/17W-I
TOXIC EFFECTS :
   Brain and Coverings - recordings from specific areas of CNS
REFERENCE :
   GTPZAB Gigiena Truda i Professional'nye Zabolevaniya.  Labor Hygiene and
   Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR)
   V.1-36, 1957-1992. For publisher information, see MTPEEI
   Volume(issue)/page/year: 25(5),45,1981

                    *** OCCUPATIONAL EXPOSURE LIMITS ***
 
   OEL-RUSSIA:STEL 10 mg/m3 JAN 1993

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

 
                            *** END OF RECORD ***