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Registry of Toxic Effects of Chemical Substances (RTECS)

Propane

RTECS #

TX2275000

CAS #

74-98-6

Updated

July 2013

Molecular Weight

44.11

Molecular Formula

C3H8

Synonyms

Dimethylmethane
Liquefied petroleum gas
LPG
n-Propane
Propane (ACGIH:OSHA)
Propyl hydride
R 290

Acute Toxicity Data and References

Route/OrganismDoseEffectReference
inhalation/Dog lowest published toxic concentration: 180000 ppm/5MCardiac: Arrythmias (indlucing changes in conduction)

Cardiac: Other changes		HPV330 -,-,2000
inhalation/rat lethal concentration (50 percent kill): >800000 ppm/15MBehavioral: General anesthetic

Behavioral: Ataxia

Lung, Thorax, or Respiration: Respiratory depression		HPV330 -,-,2000
inhalation/rat lowest published toxic concentration: 280000 ppm/10MBehavioral: General anesthetic

Behavioral: Ataxia		HPV330 -,-,2000

Reviews

OrganizationStandardReference
TOXICOLOGY REVIEWMUREAV 566,21,2004
TOXICOLOGY REVIEWMUREAV 544,313,2003
TOXICOLOGY REVIEWHUTOX* -,577,1996
TOXICOLOGY REVIEWNCLNA* 16,503,1998

Standards and Regulations

OrganizationStandardReference
Mine Safety and Health Administration (MSHA) STANDARDASPHYXIANTS/GASESDTLWS* 3,215,1973
Occupational Exposure Limit IN ARGENTINA, BULGARIA, COLOMBIA, JORDAN check ACGIH TLV;
Occupational Exposure Limit IN SINGAPORE, VIETNAM check ACGIH TLV
Occupational Exposure Limit-AUSTRALIAAsphyxiant, JUL2008
Occupational Exposure Limit-AUSTRIAMAK-TMW 1000 ppm (1800 mg/m3);KZW 2000 ppm (3600 mg/m3), 2007
Occupational Exposure Limit-BELGIUMtime-weighted average 1000 ppm ( mg/m3), MAR2002
Occupational Exposure Limit-DENMARKtime-weighted average 1000 ppm (1800 mg/m3), MAY2011
Occupational Exposure Limit-FINLANDtime-weighted average 800 ppm (1500 mg/m3), short term exposure limit 1100 ppm (2000 mg/m3), NOV2011
Occupational Exposure Limit-GERMANYMAK 1000 ppm (1800 mg/m3), 2011
Occupational Exposure Limit-ICELANDtime-weighted average 1000 ppm (1800 mg/m3), NOV2011
Occupational Exposure Limit-MEXICOSimple asphyxiant, 2004
Occupational Exposure Limit-NEW ZEALANDSimple asphyxiant, JAN2002
Occupational Exposure Limit-SWITZERLANDMAK-week 1000 ppm (1800 mg/m3), KZG-week 4000 ppm (7200 mg/m3), JAN2011
Occupational Exposure Limit-THE PHILIPPINEStime-weighted average 1000 ppm (1800 mg/m3), JAN1993
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (Federal Contractors)8H time-weighted average 1000 ppm (1800 mg/m3)CFRGBR 41,50-204.50,1994
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (General Industry)8H time-weighted average 1000 ppm (1800 mg/m3)CFRGBR 29,1910.1000,1994

NIOSH Documentation and Surveillance

OrganizationStandardReference
National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Level TO PROPANE-air10H time-weighted average 1000 ppmNIOSH* DHHS #92-100,1992
National Occupational Exposure Survey 1983Hazard Code 26615; Number of Industries 396; Total Number of Facilities 129448; Number of Occupations 236; Total Number of Employees Exposed 2071479; Total Number of Female Employees Exposed 528348
National Occupational Hazard Survey 1974Hazard Code 26615; Number of Industries 342; Total Number of Facilities 95086; Number of Occupations 192; Total Number of Employees Exposed 1005020

Status in Federal Agencies

OrganizationReference
EPA TSCA Section 8(b) CHEMICAL INVENTORY
EPA TSCA Section 8(d) unpublished health/safety studies
EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JANUARY 2001

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