Acetylene
RTECS #
AO9600000
CAS #
Updated
September 2013
Molecular Weight
26.04
Molecular Formula
C2H2
Synonyms
Acetylen
Acetylene (ACGIH)
Ethine
Ethyne
Narcylen
Acetylene (ACGIH)
Ethine
Ethyne
Narcylen
Acute Toxicity Data and References
| Route/Organism | Dose | Effect | Reference |
|---|---|---|---|
| inhalation/Dog | lethal concentration (50 percent kill): 850000 ppm | Behavioral: General anesthetic Lung, Thorax, or Respiration: Respiratory stimulation | HPV096 -,-,2003 |
| inhalation/human | lowest published toxic concentration: 20 pph | Behavioral: Headache Lung, Thorax, or Respiration: Dyspnea | 34ZIAG -,67,1969 |
| inhalation/human | Lowest published lethal concentration: 50 pph/5M | TABIA2 3,231,1933 | |
| inhalation/human | lowest published toxic concentration: 200000 ppm/4M | Peripheral Nerve and Sensation: Paresthesia Behavioral: Change in psychophysiological tests | HPV096 -,-,2003 |
| inhalation/mammal (species unspecified) | Lowest published lethal concentration: 50 pph/5M | AEPPAE 138,65,1928 | |
| inhalation/rat | lowest published toxic concentration: 780000 ppm/15M | Behavioral: General anesthetic | HPV096 -,-,2003 |
| inhalation/rat | Lowest published lethal concentration: 900000 ppm/2H | Behavioral: General anesthetic Lung, Thorax, or Respiration: Respiratory depression | HPV096 -,-,2003 |
Reviews
| Organization | Standard | Reference |
|---|---|---|
| American Conference of Governmental Industrial Hygienists (ACGIH) | Threshold Limit Value-Simple asphyxiant | DTLVS* TLV/BEI,2013 |
| TOXICOLOGY REVIEW | ENTOX* -,34,2005 | |
| TOXICOLOGY REVIEW | HUTOX* -,577,1996 |
Standards and Regulations
| Organization | Standard | Reference |
|---|---|---|
| Mine Safety and Health Administration (MSHA) STANDARD | ASPHYXIANTS/GASES | DTLWS* 3,8,1973 |
| Occupational Exposure Limit IN ARGENTINA, BULGARIA, COLOMBIA, JORDAN check ACGIH TLV; | ||
| Occupational Exposure Limit IN SINGAPORE, VIETNAM check ACGIH TLV | ||
| Occupational Exposure Limit-ARAB Republic of Egypt | time-weighted average 1 ppm (14 mg/m3), JAN1993 | |
| Occupational Exposure Limit-AUSTRALIA | Asphyxiant, JUL2008 | |
| Occupational Exposure Limit-BELGIUM | Asphyxiant, MAR2002 | |
| Occupational Exposure Limit-MEXICO | Simple asphyxiant, 2004 | |
| Occupational Exposure Limit-NEW ZEALAND | Simple asphyxiant, JAN2002 | |
| Occupational Exposure Limit-SWITZERLAND | MAK-week 1000 ppm (1080 mg/m3), JAN2011 | |
| Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (Construction) | simple asphyxiant - inert gas and vapor | CFRGBR 29,1926.55,1994 |
| Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (Federal Contractors) | Simple asphyxiant - inert gas and vapor | CFRGBR 41,50-204.50,1994 |
| Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (Shipyards) | Simple asphyxiant - inert gas and vapor | CFRGBR 29,1915.1000,1993 |
NIOSH Documentation and Surveillance
| Organization | Standard | Reference |
|---|---|---|
| National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Level TO ACETYLENE-air | ceiling concentration 2500 ppm/15M | NIOSH* DHHS #92-100,1992 |
| National Occupational Exposure Survey 1983 | Hazard Code 03298; Number of Industries 41; Total Number of Facilities 2514; Number of Occupations 52; Total Number of Employees Exposed 48962; Total Number of Female Employees Exposed 3072 | |
| National Occupational Hazard Survey 1974 | Hazard Code 03298; Number of Industries 341; Total Number of Facilities 85909; Number of Occupations 111; Total Number of Employees Exposed 704679 |
Status in Federal Agencies
| Organization | Reference |
|---|---|
| EPA TSCA Section 8(b) CHEMICAL INVENTORY | |
| EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JANUARY 2001 |
Page last reviewed: November 16, 2018
Content
source: National Institute for Occupational Safety and Health