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Acrolein																				Related Pages
Synonyms & Trade Names
			Acraldehyde, Acrylaldehyde, Acrylic aldehyde, Allyl aldehyde, Propenal, 2-Propenal
CAS No.
			107-02-8
	RTECS No.
			AS1050000
	DOT ID & Guide
			1092 131P(inhibited)

FormulaCH2=CHCHO
	Conversion
			1 ppm = 2.29 mg/m3
	IDLH
			2 ppmSee: 107028

Exposure Limits
			NIOSH RELTWA 0.1 ppm (0.25 mg/m3) ST 0.3 ppm (0.8 mg/m3) See Appendix C (Aldehydes)
					OSHA PEL TWA 0.1 ppm (0.25 mg/m3) See Appendix G
	Measurement Methods
			**NIOSH** 2501;**OSHA** 52
					
					See: NMAM or OSHA Methods
										
Physical Description
			Colorless or yellow liquid with a piercing, disagreeable odor.													
										
Molecular Weight56.1	
	Boiling Point127°F
	Freezing Point-126°F
	Solubility40%
	Vapor Pressure210 mmHg
	Ionization Potential10.13 eV											
Specific Gravity0.84	
	Flash Point-15°F
	Upper Explosive Limit31%
	Lower Explosive Limit2.8%
Class IB Flammable Liquid: Fl.P. below 73°F and BP at or above 100°F.
Incompatibilities & Reactivities
			Oxidizers, acids, alkalis, ammonia, amines
					[Note: Polymerizes readily unless inhibited--usually with hydroquinone. May form shock-sensitive peroxides over time.]
Exposure Routes
			inhalation, ingestion, skin and/or eye contact
Symptoms
			irritation eyes, skin, mucous membrane; decreased pulmonary function; delayed pulmonary edema; chronic resp disease
Target Organs
			Eyes, skin, respiratory system, heart
										
Personal Protection/Sanitation
			(See protection codes) **Skin:**Prevent skin contact
							**Eyes:**Prevent eye contact
							**Wash skin:**When contaminated
							**Remove:**When wet (flammable)
							**Change:**No recommendation
							**Provide:**Eyewash, Quick drench
	First Aid
			(See procedures)**Eye:**Irrigate immediately
							**Skin:**Water flush immediately
							**Breathing:**Respiratory support
							**Swallow:**Medical attention immediately
Respirator Recommendations
			**NIOSH/OSHA****Up to 2 ppm**: (APF = 25) Any supplied-air respirator operated in a continuous-flow mode*(APF = 25) Any powered, air-purifying respirator with organic vapor cartridge(s)*(APF = 50) Any chemical cartridge respirator with a full facepiece and organic vapor cartridge(s)(APF = 50) Any air-purifying, full-facepiece respirator (gas mask) with a chin-style, front- or back-mounted organic vapor canister(APF = 50) Any self-contained breathing apparatus with a full facepiece(APF = 50) Any supplied-air respirator 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:** (APF = 50) Any air-purifying, full-facepiece respirator (gas mask) with a chin-style, front- or back-mounted organic vapor canisterAny appropriate escape-type, self-contained breathing apparatus
				Important additional information about respirator selection
See also
			INTRODUCTION
					  ICSC CARD: 0090
					  MEDICAL TESTS: 0006

			
							

			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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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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