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Acrylic acid

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Synonyms & Trade Names
Acroleic acid, Aqueous acrylic acid, Ethylenecarboxylic acid, Glacial acrylic acid, 2-Propenoic acid
CAS No.
79-10-7
RTECS No.
AS4375000
DOT ID & Guide
2218 132P(inhibited)
Formula
CH₂=CHCOOH
Conversion
1 ppm = 2.95 mg/m3
IDLH
N.D.
See: IDLH INDEX
Exposure Limits
NIOSH REL
TWA 2 ppm (6 mg/m3) [skin]
OSHA PEL
none See Appendix G
Measurement Methods
OSHA 28 , PV2005
See: NMAM or OSHA Methods
Physical Description
Colorless liquid or solid (below 55°F) with a distinctive, acrid odor. [Note: Shipped with an inhibitor (e.g., hydroquinone) since it readily polymerizes.]
Molecular Weight
72.1
Boiling Point
286°F
Freezing Point
55°F
Solubility
Miscible
Vapor Pressure
3 mmHg
Ionization Potential
?
Specific Gravity
1.05
Flash Point
121°F
Upper Explosive Limit
8.02%
Lower Explosive Limit
2.4%
Class II Combustible Liquid: Fl.P. at or above 100°F and below 140°F.
Incompatibilities & Reactivities
Oxidizers, amines, alkalis, ammonium hydroxide, chloro-sulfonic acid, oleum, ethylene diamine, ethyleneimine, 2-aminoethanol [Note: Corrosive to many metals.]
Exposure Routes
inhalation, skin absorption, ingestion, skin and/or eye contact
Symptoms
irritation eyes, skin, respiratory system; eye, skin burns; skin sensitization; In Animals: lung, liver, kidney injury
Target Organs
Eyes, skin, respiratory system
Personal Protection/Sanitation
(See protection codes)
Skin:Prevent skin contact
Eyes:Prevent eye contact
Wash skin:When contaminated
Remove:When wet or contaminated
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

Not available.

Important additional information about respirator selection

See also
INTRODUCTION   ICSC CARD: 0688
Page last reviewed: October 30, 2019
Content source: National Institute for Occupational Safety and Health