Agent Name

Isobutyl acrylate

Alternative Name

Isobutylpropenoate

CAS Number

106-63-8

Formula

C7-H12-O2

Major Category

Plastics & Rubber

Synonyms

Isobutylpropenoate; 2-Methylpropyl acrylate; 2-Propenoic acid isobutyl ester; 2-Propenoic acid, 2-methylpropyl ester; Acrylic acid, isobutyl ester; Isobutyl 2-propenoate; Isobutyl propenoate; Isobutylester kyseliny akrylove [Czech]; Propenoic acid, isobutyl ester; Isobutyl acrylate, inhibited; [ChemIDplus] UN2527

Category

(Meth)acrylates

Description

A liquid with a sharp, fragrant odor; [HSDB] Colorless liquid with a fruity odor; Stabilized with 10-20 ppm MEHQ; [OECD SIDS]

Sources/Uses

Used as a monomer in the production of acrylic resins; [HSDB] Used in organic synthesis, as latent solvent in paints and lacquers, as substitute for n-butyl alcohol, in paint removers, for fluorometric determinations, liquid chromatography, and in fruit flavor concentrates; [NTP] Used as comonomer for polymers used in surface coatings, films and pressure sensitive adhesives, dispersions, and construction materials; [OECD SIDS]

Comments

A skin sensitizer; [Quick CPC] May polymerize exothermically on exposure to heat or if contaminated; [CAMEO] High vapor concentrations can cause mild and temporary smarting of the eyes and respiratory tract; A mild eye irritant (no worse than hand soap); Prolonged skin contact may cause reddening; [CHRIS] An irritant; Inhalation may cause asthma symptoms or difficulty breathing; Toxic by skin absorption; Harmful by inhalation; [Aldrich MSDS]

Exposure Assessment
Vapor Pressure

8.07 mm Hg

Odor Threshold Low

0.002 ppm

Lethal Concentration

LC50 (rat) = 2,000 ppm/4hr

Explanatory Notes

The Guide in the Emergency Response Guidebook is for "Isobutyl acrylate, stabilized."

Flammability (NFPA)

3: May ignite at ambient temperature

Adverse Effects
Skin Sensitizer

Yes

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