tert-Butyl acrylate

CAS 1663-39-4

EPA’s 2023 records show zero U.S. production of this chemical.

US productionZero

Import value, 2024$196M

Import volumeCBI

Confidential Business Information. The EPA withholds this volume because publishing it could reveal the reporting company's trade secrets.

Top sourceSouth Korea 24%

At least one company claimed its 2023 production or import volume for this chemical as confidential, so EPA withholds it.

Why supply is unknown

Production is reported production, not a complete census of factories. Production reporting year: 2023. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 291612 · basket

EPA reports by year

2023: US production Zero · Imports Confidential
2019: US production Confidential · Imports Confidential

These shares come from HS customs code 291612, which covers 92 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries

Country of origin for US imports, from Census customs data (2024).

KR 24%South KoreaTW 17%TaiwanZA 14%South AfricaIT 13%ItalyJP 12%Japan

United Kingdom
Hungary
Singapore
Saudi Arabia
Netherlands
Switzerland
Spain
Malaysia
Canada
Lithuania
India
Mexico
Denmark

EPA-registered importers (3)

Companies that report making or importing this chemical to the EPA. Registration is US-centric and does not indicate import origin.

Basf Se · DE Germany

Basf

Univar Solutions Usa

Why It Matters

Sectors

Plastics & RubberPaints & Coatings

Downstream UsesNot recorded

FDA Shortage Status

Whether any manufacturer currently reports this drug as in shortage on the FDA Drug Shortages database. "Active Shortage" means at least one presentation has status "current."

No FDA shortage records

Industrial Uses

Used in 2 sectors as 2 functional roles.

•Monomers in Plastics Material and Resin Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
•Intermediate in Paint and Coating ManufacturingProcessing as a reactant

Vendor Pricing

$0.25/gCombi-Blocks, Inc.

CountryUnited States

Pack$250.00 / 1 kg

Purity98%

Vendors1 available

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

Chemical Identity

CAS1663-39-4

PubChem CID15458

DTXSIDDTXSID8029652

FormulaC7H12O2

Mol. Weight128.17 g/mol

SMILESCC(C)(C)OC(=O)C=C

Data Sources

EPA CompTox (DSSTox) · DTXSID8029652Retrieved 2026-04-06
PubChem · compound 15458Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

tert-Butyl acrylate (CAS 1663-39-4) https://chemicalindependence.com/chemical/1663-39-4/ EPA CompTox (DSSTox): DTXSID8029652. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID8029652 PubChem: 15458. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/15458 EPA Chemical Data Reporting: 1663-39-4. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 1663-39-4. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 291612 for CAS 1663-39-4. Reporting year: 2024. https://usatrade.census.gov/