Propane
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CAS
74-98-6
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CH3CH2CH3
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RTECS
TX2275000
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Synonyms & Trade Names
Bottled gas, Dimethyl methane, n-Propane, Propyl hydride
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DOT ID & Guide
1075 / 115
1978 / 115
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Exposure
Limits
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NIOSH REL: TWA 1000 ppm (1800 mg/m3)
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OSHA PEL: TWA 1000 ppm (1800 mg/m3)
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IDLH
2100 ppm [10%LEL]
See: 74986
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Conversion
1 ppm = 1.80 mg/m3
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Physical Description
Colorless, odorless gas. [Note: A foul-smelling odorant is often added when used for fuel purposes. Shipped as a liquefied compressed gas.]
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MW: 44.1
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BP: -44°F
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FRZ: -306°F
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Sol: 0.01%
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VP(70°F): 8.4 atm
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IP: 11.07 eV
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RGasD: 1.55
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Fl.P: NA (Gas)
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UEL: 9.5%
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LEL: 2.1%
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Flammable Gas
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Incompatibilities & Reactivities
Strong oxidizers
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Measurement Methods
NIOSH S87 (II-2); OSHA PV2077
See: NMAM or OSHA Methods |
Personal Protection & Sanitation (See protection)
Skin: Frostbite
Eyes: Frostbite
Wash skin: No recommendation
Remove: When wet (flammable)
Change: No recommendation
Provide: Frostbite wash
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First Aid (See procedures)
Eye: Frostbite
Skin: Frostbite
Breathing: Respiratory support
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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
Important additional information about respirator selection
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Exposure Routes
inhalation, skin and/or eye contact (liquid)
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Symptoms
Dizziness, confusion, excitation, asphyxia; liquid: frostbite
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Target Organs
central nervous system
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See also: INTRODUCTION
See ICSC CARD: 0319 |
