Propane
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Synonyms & Trade Names
Bottled gas, Dimethyl methane, n-Propane, Propyl hydrideExposure Limits
NIOSH REL
TWA 1000 ppm (1800 mg/m3)OSHA PEL
TWA 1000 ppm (1800 mg/m3)Physical Description
Colorless, odorless gas. [Note: A foul-smelling odorant is often added when used for fuel purposes. Shipped as a liquefied compressed gas.]Molecular Weight
44.1Boiling Point
-44°FFreezing Point
-306°FSolubility
0.01%Vapor Pressure
(70°F): 8.4 atmIonization Potential
11.07 eVFlash Point
NA (Gas)Upper Exposive Limit
9.5%Lower Explosive Limit
2.1%Relative Gas Density
1.55
Flammable Gas
Incompatibilities & Reactivities
Strong oxidizersExposure Routes
inhalation, skin and/or eye contact (liquid)Symptoms
dizziness, confusion, excitation, asphyxia; liquid: frostbiteTarget Organs
central nervous systemPersonal Protection/Sanitation
(See protection codes)Skin:Frostbite
Eyes:Frostbite
Wash skin:No recommendation
Remove:When wet (flammable)
Change:No recommendation
Provide:Frostbite wash
Respirator Recommendations
NIOSH/OSHA
Up to 2100 ppm:
(APF = 10) Any supplied-air respirator
(APF = 50) Any self-contained breathing apparatus with a full facepiece
Emergency or planned entry into unknown concentrations or IDLH conditions:
(APF = 10,000) Any self-contained breathing apparatus that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode
(APF = 10,000) Any supplied-air respirator that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode in combination with an auxiliary self-contained positive-pressure breathing apparatus
Escape:
Any appropriate escape-type, self-contained breathing apparatus
- Page last reviewed:April 11, 2016
- Page last updated:April 11, 2016
- Content source:
- National Institute for Occupational Safety and Health (NIOSH) Education and Information Division