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Acrolein

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)
Formula
CH2=CHCHO
Conversion
1 ppm = 2.29 mg/m3
IDLH
2 ppm
See: 107028
Exposure Limits
NIOSH REL
TWA 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 Weight
56.1
Boiling Point
127°F
Freezing Point
-126°F
Solubility
40%
Vapor Pressure
210 mmHg
Ionization Potential
10.13 eV
Specific Gravity
0.84
Flash Point
-15°F
Upper Exposive Limit
31%
Lower Explosive Limit
2.8%
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 canister
Any appropriate escape-type, self-contained breathing apparatus

Important additional information about respirator selection

See also
INTRODUCTION   ICSC CARD: 0090   MEDICAL TESTS: 0006
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