NIOSH Pocket Guide to Chemical Hazards

Butyl acrylate CAS 141-32-2
Synonyms & Trade Names
n-Butyl acrylate, Butyl ester of acrylic acid, Butyl 2-propenoate
DOT ID & Guide
2348 129P
NIOSH REL: TWA 10 ppm (55 mg/m3)
OSHA PEL: none
IDLH N.D. Conversion 1 ppm = 5.24 mg/m3
Physical Description
Clear, colorless liquid with a strong, fruity odor. [Note: Highly reactive; may contain an inhibitor to prevent spontaneous polymerization.]
MW: 128.2
BP: 293°F
FRZ: -83°F
Sol: 0.1%
VP: 4 mmHg
IP: ?

Sp.Gr: 0.89
Fl.P: 103°F
UEL: 9.9%
LEL: 1.5%

Class II Combustible Liquid: Fl.P. at or above 100F and below 140F.
Incompatibilities & Reactivities
Strong acids & alkalis, amines, halogens, hydrogen compounds, oxidizers, heat, flame, sunlight [Note: Polymerizes readily on heating.]
Measurement Methods
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 wash immediately
Breathing: Respiratory support
Swallow: Medical attention immediately
Respirator Recommendations To be added later
Exposure Routes inhalation, skin absorption, ingestion, skin and/or eye contact
Symptoms Irritation eyes, skin, upper respiratory system; sensitization dermatitis; dyspnea (breathing difficulty)
Target Organs Eyes, skin, respiratory system