# NIOSH Pocket Guide to Chemical Hazards
Ethyl acrylate | CAS 140-88-5
CH2=CHCOOC2H5 | RTECS AT0700000
Synonyms & Trade Names Ethyl acrylate (inhibited), Ethyl ester of acrylic acid, Ethyl propenoate | DOT ID & Guide 1917 129P (inhibited)
Exposure Limits | NIOSH REL: Ca See Appendix A
OSHA PEL†: TWA 25 ppm (100 mg/m3) [skin]
IDLH Ca [300 ppm] | Conversion 1 ppm = 4.09 mg/m3
Physical Description Colorless liquid with an acrid odor.
MW: 100.1 | BP: 211°F | FRZ: -96°F | Sol: 2%
VP: 29 mmHg | IP: 10.30 eV |  | Sp.Gr: 0.92
Fl.P: 48°F | UEL: 14% | LEL: 1.4% |
Class IB Flammable Liquid: Fl.P. below 73°F and BP at or above 100°F.
Incompatibilities & Reactivities Oxidizers, peroxides, polymerizers, strong alkalis, moisture, chlorosulfonic acid [Note: Polymerizes readily unless an inhibitor such as hydroquinone is added.]
Measurement Methods NIOSH 1450; OSHA 92
Personal Protection & Sanitation 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 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 organic vapor canister/Any appropriate escape-type, self-contained breathing apparatus
Exposure Routes inhalation, skin absorption, ingestion, skin and/or eye contact
Symptoms Irritation eyes, skin, respiratory system; [potential occupational carcinogen]
Target Organs Eyes, skin, respiratory system Cancer Site [in animals: tumors of the forestomach]
See also: INTRODUCTION