Ketene
RTECS #
OA7700000
CAS #
Updated
September 2013
Molecular Weight
42.04
Molecular Formula
C2H2O
Synonyms
Carbomethene
Ethenone (9CI)
Ketene (ACGIH:OSHA)
Keto-ethylene
Ethenone (9CI)
Ketene (ACGIH:OSHA)
Keto-ethylene
Acute Toxicity Data and References
| Route/Organism | Dose | Effect | Reference |
|---|---|---|---|
| inhalation/cat | Lowest published lethal concentration: 750 ppm/10M | Lung, Thorax, or Respiration: Acute pulmonary edema Lung, Thorax, or Respiration: Other changes Gastrointestinal: Changes in structure or function of salivary glands | JIHTAB 31,209,1949 |
| inhalation/guinea pig | Lowest published lethal concentration: 53 ppm/2H | Lung, Thorax, or Respiration: Acute pulmonary edema Lung, Thorax, or Respiration: Other changes | JIHTAB 31,209,1949 |
| inhalation/monkey | Lowest published lethal concentration: 200 ppm/10M | Eye: Ptosis Lung, Thorax, or Respiration: Acute pulmonary edema Lung, Thorax, or Respiration: Other changes | JIHTAB 31,209,1949 |
| inhalation/mouse | Lowest published lethal concentration: 23 ppm/30M | Behavioral: Convulsions or effect on seizure threshold Lung, Thorax, or Respiration: Dyspnea | JIHTAB 31,209,1949 |
| inhalation/rabbit | Lowest published lethal concentration: 53 ppm/2H | Lung, Thorax, or Respiration: Acute pulmonary edema Lung, Thorax, or Respiration: Other changes | JIHTAB 31,209,1949 |
Reviews
| Organization | Standard | Reference |
|---|---|---|
| American Conference of Governmental Industrial Hygienists (ACGIH) | Threshold Limit Value-time-weighted average 0.5 ppm;short term exposure limit 1.5 ppm | DTLVS* TLV/BEI,2013 |
Standards and Regulations
| Organization | Standard | Reference |
|---|---|---|
| Mine Safety and Health Administration (MSHA) STANDARD-air | time-weighted average 0.5 ppm (0.9 mg/m3) | DTLVS* 3,143,1971 |
| 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 0.5 ppm (0.9 mg/m3), JAN1993 | |
| Occupational Exposure Limit-AUSTRALIA | time-weighted average 0.5 ppm (0.86 mg/m3), short term exposure limit 1.5 ppm (2.6 mg/m3), JUL2008 | |
| Occupational Exposure Limit-AUSTRIA | MAK-TMW 0.5 ppm (0.9 mg/m3);KZW 1 ppm (1.8 mg/m3), 2007 | |
| Occupational Exposure Limit-BELGIUM | time-weighted average 0.5 ppm (0.87 mg/m3), MAR2002 | |
| Occupational Exposure Limit-BELGIUM | short term exposure limit 1.5 ppm (2.6 mg/m3), MAR2002 | |
| Occupational Exposure Limit-DENMARK | time-weighted average 0.5 ppm (0.9 mg/m3), MAY2011 | |
| Occupational Exposure Limit-FINLAND | short term exposure limit 0.5 ppm (0.87 mg/m3), NOV2011 | |
| Occupational Exposure Limit-FRANCE | VME 0.5 ppm (0.9 mg/m3), FEB2006 | |
| Occupational Exposure Limit-ICELAND | time-weighted average 0.5 ppm (0.9 mg/m3), NOV2011 | |
| Occupational Exposure Limit-KOREA | time-weighted average 0.5 ppm (0.9 mg/m3), short term exposure limit 1.5 ppm (3 mg/m3), 2006 | |
| Occupational Exposure Limit-MEXICO | time-weighted average 0.5 ppm (0.9 mg/m3);short term exposure limit 1.5 ppm (3 mg/m3), 2004 | |
| Occupational Exposure Limit-NEW ZEALAND | time-weighted average 0.5 ppm (0.86 mg/m3), JAN2002 | |
| Occupational Exposure Limit-NORWAY | time-weighted average 0.5 ppm, JAN1999 | |
| Occupational Exposure Limit-PERU | time-weighted average 0.5 ppm (0.86 mg/m3); short term exposure limit 1.5 ppm (2.6 mg/m3), JUL2005 | |
| Occupational Exposure Limit-POLAND | MAC(time-weighted average) 0.5 mg/m3, MAC(short term exposure limit) 1.5 mg/m3, JAN1999 | |
| Occupational Exposure Limit-SWITZERLAND | ceiling concentration 0.5 ppm (0.9 mg/m3), JAN2011 | |
| Occupational Exposure Limit-THE NETHERLANDS | MAC-TGG 0.9 mg/m3, 2003 | |
| Occupational Exposure Limit-THE PHILIPPINES | time-weighted average 0.5 ppm (0.9 mg/m3), JAN1999 | |
| Occupational Exposure Limit-TURKEY | time-weighted average 0.5 ppm (0.9 mg/m3), JAN1993 | |
| Occupational Exposure Limit-UNITED KINGDOM | time-weighted average 0.5 ppm (0.87 mg/m3);short term exposure limit 1.5 ppm (2.6 mg/m3), OCT2007 | |
| Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (Construction) | 8H time-weighted average 0.5 ppm (0.9 mg/m3) | CFRGBR 29,1926.55,1994 |
| Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (Federal Contractors) | 8H time-weighted average 0.5 ppm (0.9 mg/m3) | CFRGBR 41,50-204.50,1994 |
| Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (General Industry) | 8H time-weighted average 0.5 ppm (0.9 mg/m3) | CFRGBR 29,1910.1000,1994 |
| Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (Shipyards) | 8H time-weighted average 0.5 ppm (0.9 mg/m3) | CFRGBR 29,1915.1000,1993 |
NIOSH Documentation and Surveillance
| Organization | Standard | Reference |
|---|---|---|
| National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Level TO KETENE-air | 10H time-weighted average 0.5 ppm;short term exposure limit 1.5 ppm | NIOSH* DHHS #92-100,1992 |
| National Occupational Hazard Survey 1974 | Hazard Code 41840; Number of Industries 1; Total Number of Facilities 33; Number of Occupations 1; Total Number of Employees Exposed 66 |
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