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2-Ethylbutyl methacrylate

CAS 5138-86-3

2-Propenoic acid, 2-methyl-, 2-ethylbutyl ester

Molecular structure of 5138-86-3
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.

Chemical Identity

CAS5138-86-3
PubChem CIDNot recorded
DTXSIDDTXSID7063716
FormulaC10H18O2
Mol. Weight170.252 g/mol
SMILESCCC(CC)COC(=O)C(C)=C

Data Sources

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Brief citations

2-Ethylbutyl methacrylate (CAS 5138-86-3) https://chemicalindependence.com/chemical/5138-86-3/ EPA TSCA Inventory: CAS 5138-86-3. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 291614 for CAS 5138-86-3. Reporting year: 2024. https://usatrade.census.gov/