*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : NK8225000
CHEMICAL NAME           : Indene
CAS REGISTRY NUMBER     : 95-13-6
LAST UPDATED            : 199712
DATA ITEMS CITED        : 25
MOLECULAR FORMULA       : C9-H8
MOLECULAR WEIGHT        : 116.17
WISWESSER LINE NOTATION : L56 BHJ
SYNONYMS/TRADE NAMES :
   * Inden
   * Indene
   * 1H-Indene
   * Indonaphthene
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 14 gm/m3
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   GISAAA Gigiena i Sanitariya.  For English translation, see HYSAAV.  (V/O
   Mezhdunarodnaya Kniga, 113095 Moscow, USSR)  V.1-    1936-
   Volume(issue)/page/year: 41(4),104,1976
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Unreported
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 2300 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   GISAAA Gigiena i Sanitariya.  For English translation, see HYSAAV.  (V/O
   Mezhdunarodnaya Kniga, 113095 Moscow, USSR)  V.1-    1936-
   Volume(issue)/page/year: 41(4),104,1976
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Unreported
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 1800 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   GISAAA Gigiena i Sanitariya.  For English translation, see HYSAAV.  (V/O
   Mezhdunarodnaya Kniga, 113095 Moscow, USSR)  V.1-    1936-
   Volume(issue)/page/year: 41(4),104,1976
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Mammal - species unspecified
DOSE/DURATION           : >5 gm/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   GISAAA Gigiena i Sanitariya.  For English translation, see HYSAAV.  (V/O
   Mezhdunarodnaya Kniga, 113095 Moscow, USSR)  V.1-    1936-
   Volume(issue)/page/year: 39(4),86,1974
 
                 ** OTHER MULTIPLE DOSE TOXICITY DATA **
 
TYPE OF TEST            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 3 mg/m3/24H/15W-C
TOXIC EFFECTS :
   Kidney, Ureter, Bladder - other changes in urine composition
   Biochemical - Enzyme inhibition, induction, or change in blood or tissue
   levels - true cholinesterase
   Biochemical - Enzyme inhibition, induction, or change in blood or tissue
   levels - catalases
REFERENCE :
   GISAAA Gigiena i Sanitariya.  For English translation, see HYSAAV.  (V/O
   Mezhdunarodnaya Kniga, 113095 Moscow, USSR)  V.1-    1936-
   Volume(issue)/page/year: 41(4),104,1976

                              *** REVIEWS ***
 
   ACGIH TLV-TWA 48 mg/m3 (10 ppm)
   DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices
   (BEIs) booklet issues by American Conference of Governmental Industrial
   Hygienists (ACGIH), Cincinnati, OH, 1996  Volume(issue)/page/year:
   TLV/BEI,1997

                    *** U.S. STANDARDS AND REGULATIONS ***
 
   MSHA STANDARD-air:TWA 10 ppm (45 mg/m3)
   DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices
   (BEIs) booklet issues by American Conference of Governmental Industrial
   Hygienists (ACGIH), Cincinnati, OH, 1996  Volume(issue)/page/year:
   3,134,1971

   OSHA PEL (Construc):8H TWA 10 ppm (45 mg/m3)
   CFRGBR Code of Federal Regulations.  (U.S. Government Printing Office, Supt.
   of Documents, Washington, DC 20402)  Volume(issue)/page/year:
   29,1926.55,1994

   OSHA PEL (Shipyard):8H TWA 10 ppm (45 mg/m3)
   CFRGBR Code of Federal Regulations.  (U.S. Government Printing Office, Supt.
   of Documents, Washington, DC 20402)  Volume(issue)/page/year:
   29,1915.1000,1993

                    *** OCCUPATIONAL EXPOSURE LIMITS ***
 
   OEL-AUSTRALIA:TWA 10 ppm (45 mg/m3) JAN 1993
   
   OEL-BELGIUM:TWA 10 ppm (48 mg/m3) JAN 1993
   
   OEL-DENMARK:TWA 10 ppm (45 mg/m3) JAN 1993
   
   OEL-FINLAND:TWA 10 ppm (47 mg/m3);STEL 20 ppm (95 mg/m3) JAN 1993
   
   OEL-FRANCE:TWA 10 ppm (45 mg/m3) JAN 1993
   
   OEL-THE NETHERLANDS:TWA 10 ppm (45 mg/m3) JAN 1993
   
   OEL-SWITZERLAND:TWA 10 ppm (45 mg/m3) JAN 1993
   
   OEL-UNITED KINGDOM:TWA 10 ppm (45 mg/m3);STEL 15 ppm (70 mg/m3) JAN 1993
   
   OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV
   
   OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGIH TLV

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

NIOSH RECOMMENDED EXPOSURE LEVEL (REL) :
   NIOSH REL TO INDENE-air:10H TWA 10 ppm
REFERENCE :
   NIOSH* National Institute for Occupational Safety and Health, U.S. Dept. of
   Health, Education, and Welfare, Reports and Memoranda.
   Volume(issue)/page/year: DHHS #92-100,1992

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOHS - National Occupational Hazard Survey (1974)
     NOHS Hazard Code - 39820
       No. of Facilities: 3158 (estimated)
       No. of Industries: 24
       No. of Occupations: 42
       No. of Employees: 61824 (estimated)
   
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - 39820
       No. of Facilities: 31 (estimated)
       No. of Industries: 1
       No. of Occupations: 1
       No. of Employees: 753 (estimated)
       No. of Female Employees: 376 (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 ***