Heptane

MOLECULAR FORMULA :

C7-H16

MOLECULAR WEIGHT :

100.23

WISWESSER LINE NOTATION :

7H

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :

TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :

Inhalation

SPECIES OBSERVED :

Human

DOSE/DURATION :

1000 ppm/6M

TOXIC EFFECTS :

Behavioral - hallucinations, distorted perceptions

REFERENCE :

BMRII* "U.S. Bureau of Mines Report of Investigation No. 2979," Patty, F.A., and W.P. Yant, 1929 Volume(issue)/page/year: 2979,-,1929

TYPE OF TEST :

LC50 - Lethal concentration, 50 percent kill

ROUTE OF EXPOSURE :

Inhalation

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

103 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 :

59 gm/m3/41M

TOXIC EFFECTS :

Behavioral - convulsions or effect on seizure threshold

REFERENCE :

BIZEA2 Biochemische Zeitschrift. (Berlin, Ger.) V.1-346, 1906-67. For publisher information, see EJBCAI. Volume(issue)/page/year: 115,235,1921

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Intravenous

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

222 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 :

60 gm/kg/3W-I

TOXIC EFFECTS :

Liver - changes in liver weight

REFERENCE :

NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0571116

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

260 gm/kg/13W-I

TOXIC EFFECTS :

Kidney, Ureter, Bladder - changes in bladder weight Endocrine - hypoglycemia Nutritional and Gross Metabolic - weight loss or decreased weight gain

REFERENCE :

NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0571116

TYPE OF TEST :

TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :

Inhalation

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

4000 ppm/6H/28D-I

TOXIC EFFECTS :

Brain and Coverings - recordings from specific areas of CNS Sense Organs and Special Senses (Ear) - changes in cochlear structure or function Nutritional and Gross Metabolic - weight loss or decreased weight gain

REFERENCE :

PHTOEH Pharmacology and Toxicology (Copenhagen). (Munksgaard International Pub., POB 2148, DK-1016 Copenhagen K, Denmark) V.60- 1987- Volume(issue)/page/year: 76,41,1995

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Intraperitoneal

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

9625 mg/kg/7D-I

TOXIC EFFECTS :

Liver - other changes Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol) Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - multiple enzyme effects

REFERENCE :

TOLED5 Toxicology Letters. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1977- Volume(issue)/page/year: 14,169,1982

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Intraperitoneal

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

8840 mg/kg/45D-I

REFERENCE :

JJATDK JAT, Journal of Applied Toxicology. (John Wiley & Sons Ltd., Baffins Lane, Chichester, W. Sussex PO19 1UD, UK) V.1- 1981- Volume(issue)/page/year: 8,81,1988 *** REVIEWS *** ACGIH TLV-STEL 2050 mg/m3 (500 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 1640 mg/m3 (400 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 (2000 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: 3,124,1971 OSHA PEL (Gen Indu):8H TWA 500 ppm (2000 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 (2000 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 (2000 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 500 ppm (2000 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 400 ppm (1600 mg/m3);STEL 500 ppm (2000 mg/m3) JAN 1993 OEL-BELGIUM:TWA 400 ppm (1640 mg/m3);STEL 500 ppm (2050 mg/m3) JAN 1993 OEL-DENMARK:TWA 400 ppm (1600 mg/m3) JAN 1993 OEL-FINLAND:TWA 300 ppm (1200 mg/m3);STEL 500 ppm (2000 mg/m3) JAN 1993 OEL-FRANCE:TWA 400 ppm (1600 mg/m3) JAN 1993 OEL-GERMANY:TWA 500 ppm (2000 mg/m3) JAN 1993 OEL-JAPAN:TWA 200 ppm (820 mg/m3) JAN 1993 OEL-THE NETHERLANDS:TWA 400 ppm (1600 mg/m3) JAN 1993 OEL-THE PHILIPPINES:TWA 500 ppm (2000 mg/m3) JAN 1993 OEL-POLAND:TWA 200 mg/m3 JAN 1993 OEL-RUSSIA:TWA 200 ppm JAN 1993 OEL-SWEDEN:TWA 200 ppm (800 mg/m3);STEL 300 ppm (1250 mg/m3) JAN 1993 OEL-SWITZERLAND:TWA 400 ppm (1600 mg/m3);STEL 800 ppm JAN 1993 OEL-TURKEY:TWA 500 ppm (2000 mg/m3) JAN 1993 OEL-UNITED KINGDOM:TWA 400 ppm (1600 mg/m3);STEL 500 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 HEPTANE-air:10H TWA 85 ppm;CL 440 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 - 36060 No. of Facilities: 20154 (estimated) No. of Industries: 153 No. of Occupations: 110 No. of Employees: 221101 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 36060 No. of Facilities: 37852 (estimated) No. of Industries: 191 No. of Occupations: 134 No. of Employees: 449487 (estimated) No. of Female Employees: 44550 (estimated)