Acrylic acid |
Synonyms & Trade Names Acroleic acid, Aqueous acrylic acid (technical grade is 94%), Ethylenecarboxylic acid, Glacial acrylic acid (98% in aqueous solution), 2-Propenoic acid |
CAS No. 79-10-7 |
RTECS No. AS4375000 |
DOT ID & Guide 2218 132P (inhibited) |
FormulaCH2=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 |
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.] |
MW: 72.1 |
BP: 286°F |
FRZ: 55°F |
Sol: Miscible |
VP: 3 mmHg |
IP: ? |
Sp.Gr: 1.05 |
Fl.P: 121°F |
UEL: 8.02% |
LEL: 2.4% |
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| 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 |
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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 See ICSC CARD: 0688
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