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1,3-Butadiene																				Related Pages
Synonyms & Trade Names
			Biethylene, Bivinyl, Butadiene, Divinyl, Erythrene, Vinylethylene
CAS No.
			106-99-0
	RTECS No.
			EI9275000
	DOT ID & Guide
			1010 116P(inhibited)

FormulaCH2=CHCH=CH2
	Conversion
			1 ppm = 2.21 mg/m3
	IDLH
			Ca [2000 ppm] [10%LEL]See: 106990

Exposure Limits
			NIOSH RELCa See Appendix A
					OSHA PEL [1910.1051] TWA 1 ppm ST 5 ppm
	Measurement Methods
			**NIOSH** 1024;**OSHA** 56
					
					See: NMAM or OSHA Methods
										
Physical Description
			Colorless gas with a mild aromatic or gasoline-like odor.
					[Note: A liquid below 24°F. Shipped as a liquefied compressed gas.]													
										
Molecular Weight54.1	
	Boiling Point24°F
	Freezing Point-164°F
	SolubilityInsoluble
	Vapor Pressure2.4 atm
	Ionization Potential9.07 eV											
Specific Gravity0.65 (Liquid at 24°F)	
	Flash PointNA (Gas) -105°F (Liquid)
	Upper Explosive Limit12.0%
	Lower Explosive Limit2.0%
	Relative Gas Density1.88
Flammable Gas
Incompatibilities & Reactivities
			Phenol, chlorine dioxide, copper, crotonaldehyde
					[Note: May contain inhibitors (such as tributylcatechol) to prevent self-polymerization. May form explosive peroxides upon exposure to air.]
Exposure Routes
			inhalation, skin and/or eye contact (liquid)
Symptoms
			irritation eyes, nose, throat; drowsiness, dizziness; liquid: frostbite; teratogenic, reproductive effects; [potential occupational carcinogen]
Target Organs
			Eyes, respiratory system, central nervous system, reproductive system
Cancer Site[hemato cancer]										
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:**Frostbite
							**Skin:**Frostbite
							**Breathing:**Respiratory support
Respirator Recommendations
			(See Appendix E)**NIOSH****At concentrations above the NIOSH REL, or where there is no REL, at any detectable concentration:** (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:** (APF = 50) Any air-purifying, full-facepiece respirator (gas mask) with a chin-style, front- or back-mounted canister providing protection against the compound of concernAny appropriate escape-type, self-contained breathing apparatus
				Important additional information about respirator selection
See also
			INTRODUCTION
					  ICSC CARD: 0017
					  MEDICAL TESTS: 0254

			
							

			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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CAS Numbers
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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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