Isopropyl methacrylate

CAS 4655-34-9

2-Propenoic acid, 2-methyl-, 1-methylethyl ester

Molecular structure of 4655-34-9
US productionNot reported
Import value, 2024$257M
Top sourceGermany 26%

This chemical is listed as active in US commerce, but no company reported it to EPA’s survey for 2019 or 2023. Sites may have made or imported less than the threshold amount, or none.

Why supply is unknown

Production is reported production, not a complete census of factories. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 291614 · basket

These shares come from HS customs code 291614, which covers 98 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
DE 26%GermanyKR 17%South KoreaJP 12%JapanCN 9%ChinaSG 9%Singapore

Why It Matters

No EPA sector or FDA product records name a use for this chemical.

Vendor Pricing

$0.99/gCombi-Blocks, Inc.
CountryUnited States
Pack$495.00 / 500 g
Purity98%
Vendors4 available

Prices reflect listed pack sizes. Small research packs run far above bulk rates.

Chemical Identity

CAS4655-34-9
PubChem CIDNot recorded
DTXSIDDTXSID6022218
FormulaC7H12O2
Mol. Weight128.171 g/mol
SMILESCC(C)OC(=O)C(C)=C

Data Sources

Brief citations

Isopropyl methacrylate (CAS 4655-34-9) https://chemicalindependence.com/chemical/4655-34-9/ EPA TSCA Inventory: CAS 4655-34-9. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 291614 for CAS 4655-34-9. Reporting year: 2024. https://usatrade.census.gov/