2-Methylpropyl methacrylate

Agent Name
2-Methylpropyl methacrylate
Alternative Name
Isobutyl methacrylate
CAS Number
97-86-9
Formula
C8-H14-O2
Major Category
Plastics & Rubber
2-Methylpropyl methacrylate formula graphical representation
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]
Biomedical References

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." VP from ChemIDplus;

Adverse Effects

Skin Sensitizer
Yes
Lachrymator
Yes

Diseases, Processes, and Activities Linked to This Agent

Diseases

Occupational diseases associated with exposure to this agent: