CAS 74-99-7|Propyne

CHEMICAL IDENTIFICATION

RTECS NUMBER :

UK4250000

CHEMICAL NAME :

Propyne

CAS REGISTRY NUMBER :

74-99-7

BEILSTEIN REFERENCE NO. :

0878138

LAST UPDATED :

199712

DATA ITEMS CITED :

29

MOLECULAR FORMULA :

C3-H4

MOLECULAR WEIGHT :

40.07

WISWESSER LINE NOTATION :

2UU1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :

LC - Lethal concentration

ROUTE OF EXPOSURE :

Inhalation

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

>42000 ppm/6H

TOXIC EFFECTS :

Behavioral - general anesthetic Behavioral - altered sleep time (including change in righting reflex) Behavioral - ataxia

TYPE OF TEST :

TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :

Inhalation

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

28700 ppm/6H/26W-I

TOXIC EFFECTS :

Behavioral - general anesthetic Lungs, Thorax, or Respiration - other changes Related to Chronic Data - death

TYPE OF TEST :

TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :

Inhalation

SPECIES OBSERVED :

Mammal - dog

DOSE/DURATION :

28700 ppm/6H/26W-I

TOXIC EFFECTS :

Sense Organs and Special Senses (Eye) - mydriasis (pupillary dilation) Behavioral - general anesthetic Gastrointestinal - changes in structure or function of salivary glands

MUTATION DATA

TYPE OF TEST :

Mutation in microorganisms

TEST SYSTEM :

Bacteria - Escherichia coli

REFERENCE :

MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 307,335,1994 *** REVIEWS *** ACGIH TLV-TWA 1640 mg/m3 (1000 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 1000 ppm (1650 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: 3,153,1971 OSHA PEL (Gen Indu):8H TWA 1000 ppm (1650 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 1000 ppm (1650 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 1000 ppm (1650 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 (1650 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 1000 ppm (1650 mg/m3);STEL 1250 ppm JAN 1993 OEL-BELGIUM:TWA 1000 ppm (1640 mg/m3);STEL 1250 ppm (2050 mg/m3) JAN 1993 OEL-DENMARK:TWA 1000 ppm (1650 mg/m3) JAN 1993 OEL-FINLAND:TWA 1000 ppm (1650 mg/m3);STEL 1250 ppm (2065 mg/m3) JAN 1993 OEL-FRANCE:TWA 1000 ppm (1650 mg/m3) JAN 1993 OEL-GERMANY:TWA 1000 ppm (1650 mg/m3) JAN 1993 OEL-THE NETHERLANDS:TWA 1000 ppm (1650 mg/m3) JAN 1993 OEL-THE PHILIPPINES:TWA 1000 ppm (1650 mg/m3) JAN 1993 OEL-SWITZERLAND:TWA 1000 ppm (1650 mg/m3) JAN 1993 OEL-TURKEY:TWA 1000 ppm (1650 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 METHYL ACETYLENE-air:10H TWA 1000 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 - 46435 No. of Facilities: 311 (estimated) No. of Industries: 9 No. of Occupations: 13 No. of Employees: 5033 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 46435 No. of Facilities: 3 (estimated) No. of Industries: 1 No. of Occupations: 7 No. of Employees: 119 (estimated) No. of Female Employees: 6 (estimated)

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