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L.P.G.																				Related Pages
Synonyms & Trade Names
			Bottled gas, Compressed petroleum gas, Liquefied hydrocarbon gas, Liquefied petroleum gas
					[Note: A fuel mixture of propane, propylene, butanes, and butylenes.]
CAS No.
			68476-85-7
	RTECS No.
			SE7545000
	DOT ID & Guide
			1075 115

FormulaC3H8/​C3H6/​C4H10/​C4H8
	Conversion
			1 ppm = 1.72-2.37 mg/m3
	IDLH
			2000 ppm [10% LEL]See: 68476857

Exposure Limits
			NIOSH RELTWA 1000 ppm (1800 mg/m3)
					OSHA PEL 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.]													
										
Molecular Weight42-58	
	Boiling Point>-44°F
	Freezing Point?
	SolubilityInsoluble
	Vapor Pressure>1 atm
	Ionization Potential10.95 eV											
Flash PointNA (Gas)
	Upper Explosive Limit9.5% (Propane) 8.5% (Butane)
	Lower Explosive Limit2.1% (Propane) 1.9% (Butane)
	Relative Gas Density1.45-2.00
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

			
							

			Page last reviewed:  October 30, 2019						Content
							source: 	National Institute for Occupational Safety and Health NIOSH Pocket Guide to Chemical Hazards
Introduction
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Chemical Names, Synonyms and Trade Names
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D
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H
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P
Q
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U
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CAS Numbers
RTECS Numbers
Appendices
A – NIOSH Potential Occupational Carcinogens
B – Thirteen OSHA-Regulated Carcinogens
C – Supplementary Exposure Limits
D – Substances with No Established RELs
E – OSHA Respirator Requirements for Selected Chemicals
F – Miscellaneous Notes
G – 1989 Air Contaminants Update Project: Exposure Limits NOT in Effect
Type C & CE – Definitions for Type C and Type CE Respirators
Personal Protection and Sanitation Codes
First Aid Procedures Follow NIOSH Facebook
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