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L.P.G.

Synonyms & Trade Names
Bottled gas, Compressed petroleum gas, Liquefied hydrocarbon gas, Liquefied petroleum gas, LPG [Note: A fuel mixture of propane, propylene, butanes, and butylenes.]
CAS No.
68476-85-7
RTECS No.
SE7545000
DOT ID & Guide
1075 115
Formula
C3H8/​C3H6/​C4H10/​C4H8
Conversion
1 ppm = 1.72-2.37 mg/m3
IDLH
2000 ppm [10% LEL]
See: 68476857
Exposure Limits
TWA 1000 ppm (1800 mg/m3)
TWA 1000 ppm (1800 mg/m3)
Measurement Methods

NIOSH S93 (II-2)
See: NMAM or OSHA Methods
Physical Description
Colorless, noncorrosive, odorless gas when pure. [Note: A foul-smelling odorant is usually added. Shipped as a liquefied compressed gas.]
MW:
42-58
BP:
>-44°F
FRZ:
?
Sol:
Insoluble
VP:
>1 atm
IP:
10.95 eV
Fl.P:
NA (Gas)
UEL:
9.5% (Propane) 8.5% (Butane)
LEL:
2.1% (Propane) 1.9% (Butane)
RGasD:
1.45-2.00
Flammable Gas
Incompatibilities & Reactivities
Strong oxidizers, chlorine dioxide
Exposure Routes
inhalation, skin and/or eye contact (liquid)
Symptoms
dizziness, drowsiness, asphyxia; liquid: frostbite
Target Organs
respiratory system, central nervous system
Personal Protection/Sanitation
(See protection codes)
Skin: Frostbite
Eyes: Frostbite
Wash skin: No recommendation
Remove: When wet (flammable)
Change: No recommendation
Provide: Frostbite wash
First Aid
(See procedures)
Eye: Irrigate immediately (liquid)
Skin: Water flush immediately (liquid)
Breathing: Respiratory support
Respirator Recommendations

NIOSH/OSHA

Up to 2000 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

See also: INTRODUCTION
 

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