Agent Name

2-Methylpropyl methacrylate

Alternative Name

Isobutyl methacrylate

CAS Number

97-86-9

Formula

C8-H14-O2

Major Category

Plastics & Rubber

Synonyms

Isobutyl methacrylate; 2-Methylpropyl 2-methyl-2-propenoate; 2-Propenoic acid, 2-methyl-, 2-methylpropyl ester; Isobutyl 2-methyl-2-propenoate; Isobutyl alpha-methacrylate; Isobutyl alpha-methylacrylate; Isobutylester kyseliny methakrylove [Czech]; Methacrylic acid, isobutyl ester; Propenoic acid, 2-methyl, isobutyl ester; [ChemIDplus] UN2283

Category

(Meth)acrylates

Description

Liquid; Has 25 ppm hydroquinone monomethyl ether as inhibitor; [Hawley] Colorless liquid; Insoluble in water; Sensitive to heat, air, and light; [CAMEO] Colorless liquid; Partially soluble in water (2 g/L at 20 deg C); [MSDSonline]

Sources/Uses

Used as a monomer for acrylic resins, in hydrogel contact lenses, and as a water repellant for concrete; [HSDB]

Comments

A lachrymator; [CHEMINFO] A skin, eye, and respiratory tract irritant; [HSDB] A skin, eye, and respiratory tract irritant; May cause skin sensitization; [eChemPortal: ESIS]; An irritant; Potential skin sensitizer; [MSDSonline] Isobutyl methacrylate, stabilized (UN2283) has warning of explosive polymerization; [ERG 2016]

Exposure Assessment
Vapor Pressure

3.63 mm Hg

Lethal Concentration

LCLo (rat) = 200,000 mg/m3/4h

Explosive Polymerization

Yes

Explanatory Notes

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

Adverse Effects
Skin Sensitizer

Yes

Lacrimator

Yes

Links to Other NLM Databases
Health Studies

Human Health Effects from Hazardous Substances Data Bank:

Toxicity Information

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Chemical Information

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Related Information in HazMap
Diseases

Occupational diseases associated with exposure to this agent: