*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : RZ9450000
CHEMICAL NAME           : Pentane
CAS REGISTRY NUMBER     : 109-66-0
LAST UPDATED            : 199712
DATA ITEMS CITED        : 37
MOLECULAR FORMULA       : C5-H12
MOLECULAR WEIGHT        : 72.17
WISWESSER LINE NOTATION : 5H
COMPOUND DESCRIPTOR     : Drug
SYNONYMS/TRADE NAMES :
   * Amyl hydride
   * Pentan
   * Pentane
   * Pentanen
   * Pentani
   * Skellysolve A
 
                       *** 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           : 364 gm/m3/4H
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: 32(10),23,1988
 
TYPE OF TEST            : LCLo - Lowest published lethal concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 325 gm/m3/2H
TOXIC EFFECTS :
   Behavioral - excitement
REFERENCE :
   JPETAB Journal of Pharmacology and Experimental Therapeutics.  (Williams &
   Wilkins Co., 428 E. Preston St., Baltimore, MD 21202)  V.1-    1909/10-
   Volume(issue)/page/year: 58,74,1936
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 446 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   JPMSAE Journal of Pharmaceutical Sciences.  (American Pharmaceutical Assoc.,
   2215 Constitution Ave., NW, Washington, DC 20037)  V.50-    1961-
   Volume(issue)/page/year: 67,566,1978
 
                 ** 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 kidney weight
   Nutritional and Gross Metabolic - weight loss or decreased weight gain
   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

                              *** REVIEWS ***
 
   ACGIH TLV-STEL 2210 mg/m3 (750 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

   ACGIH TLV-TWA 1770 mg/m3 (600 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 500 ppm (1475 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:
   3,200,1971

   OSHA PEL (Gen Indu):8H TWA 1000 ppm (2950 mg/m3)
   CFRGBR Code of Federal Regulations.  (U.S. Government Printing Office, Supt.
   of Documents, Washington, DC 20402)  Volume(issue)/page/year:
   29,1910.1000,1994

   OSHA PEL (Construc):8H TWA 500 ppm (1500 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 500 ppm (1500 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

   OSHA PEL (Fed Cont):8H TWA 1000 ppm (2950 mg/m3)
   CFRGBR Code of Federal Regulations.  (U.S. Government Printing Office, Supt.
   of Documents, Washington, DC 20402)  Volume(issue)/page/year:
   41,50-204.50,1994

                    *** OCCUPATIONAL EXPOSURE LIMITS ***
 
   OEL-AUSTRALIA:TWA 600 ppm (1800 mg/m3);STEL 750 ppm (2250 mg/m3) JAN 1993
   
   OEL-BELGIUM:TWA 600 ppm (1770 mg/m3);STEL 750 ppm (2210 mg/m3) JAN 1993
   
   OEL-DENMARK:TWA 500 ppm (1500 mg/m3) JAN 1993
   
   OEL-FINLAND:TWA 500 ppm (1500 mg/m3);STEL 625 ppm (1800 mg/m3) JAN 1993
   
   OEL-FRANCE:TWA 600 ppm (1800 mg/m3) JAN 1993
   
   OEL-GERMANY:TWA 1000 ppm (2950 mg/m3) JAN 1993
   
   OEL-HUNGARY:TWA 500 mg/m3;STEL 1500 mg/m3 JAN 1993
   
   OEL-JAPAN:TWA 300 ppm (880 mg/m3) JAN 1993
   
   OEL-THE NETHERLANDS:TWA 600 ppm (1800 mg/m3) JAN 1993
   
   OEL-THE PHILIPPINES:TWA 1000 ppm (2950 mg/m3) JAN 1993
   
   OEL-POLAND:TWA 100 mg/m3 JAN 1993
   
   OEL-RUSSIA:TWA 300 ppm;STEL 300 mg/m3 JAN 1993
   
   OEL-SWEDEN:TWA 600 ppm (1800 mg/m3);STEL 750 ppm (2000 mg/m3) JAN 1993
   
   OEL-SWITZERLAND:TWA 600 ppm (1800 mg/m3) JAN 1993
   
   OEL-TURKEY:TWA 1000 ppm (2950 mg/m3) JAN 1993
   
   OEL-UNITED KINGDOM:TWA 600 ppm (1800 mg/m3);STEL 750 ppm 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 PENTANE-air:10H TWA 120 ppm;CL 610 ppm/15M
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 - 54243
       No. of Facilities: 3762 (estimated)
       No. of Industries: 31
       No. of Occupations: 22
       No. of Employees: 34548 (estimated)
   
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - 54243
       No. of Facilities: 1935 (estimated)
       No. of Industries: 24
       No. of Occupations: 47
       No. of Employees: 38465 (estimated)
       No. of Female Employees: 10889 (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
   
   NIOSH Analytical Method, 1994: Hydrocarbons, BP 36-126 degree C, 1500
   
   NIOSH Analytical Method, 1996: Volatile organic compound, 2549

 
                            *** END OF RECORD ***