# NIOSH Pocket Guide to Chemical Hazards
Vinyl acetate | CAS 108-05-4
CH2=CHOOCCH3 | RTECS AK0875000
Synonyms & Trade Names 1-Acetoxyethylene, Ethenyl acetate, Ethenyl ethanoate, VAC, Vinyl acetate monomer, Vinyl ethanoate | DOT ID & Guide 1301 129P
Exposure Limits | NIOSH REL: C 4 ppm (15 mg/m3) [15-minute]
OSHA PEL†: none
IDLH N.D. | Conversion 1 ppm = 3.52 mg/m3
Physical Description Colorless liquid with a pleasant, fruity odor. [Note: Raw material for many polyvinyl resins.]
MW: 86.1 | BP: 162°F | FRZ: -136°F | Sol: 2%
VP: 83 mmHg | IP: 9.19 eV |  | Sp.Gr: 0.93
Fl.P: 18°F | UEL: 13.4% | LEL: 2.6% |
Class IB Flammable Liquid: Fl.P. below 73°F and BP at or above 100°F.
Incompatibilities & Reactivities Acids, bases, silica gel, alumina, oxidizers, azo compounds, ozone [Note: Usually contains a stabilizer (e.g., hydroquinone or diphenylamine) to prevent polymerization.]
Measurement Methods NIOSH 1453; OSHA 51
Personal Protection & Sanitation 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: Soap flush immediately Breathing: Respiratory support Swallow: Medical attention immediately
Respirator Recommendations NIOSH Up to 40 ppm: (APF = 10) Any chemical cartridge respirator with organic vapor cartridge(s)*/(APF = 10) Any supplied-air respirator* Up to 100 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)* Up to 200 ppm: (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 powered, air-purifying respirator with a tight-fitting facepiece and organic vapor cartridge(s)*/(APF = 50) Any self-contained breathing apparatus with a full facepiece/(APF = 50) Any supplied-air respirator with a full facepiece Up to 4000 ppm: (APF = 1000) Any supplied-air respirator operated in a pressure-demand or other positive-pressure mode* 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
Exposure Routes inhalation, ingestion, skin and/or eye contact
Symptoms Irritation eyes, skin, nose, throat; hoarseness, cough; loss of smell; eye burns, skin blisters
Target Organs Eyes, skin, respiratory system
See also: INTRODUCTION