Flag of the United StatesAmerican Chemical Independence

Butanoic acid, 2-hydroxy-2-methyl-, ethyl ester

CAS 77-70-3

Molecular structure of 77-70-3
US productionNot reported
Import value, 2024$81M
Top sourceChina 35%

EPA lists this chemical as inactive, meaning no company reported making, importing or processing it in the US from 2006 to 2016.

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 291819 · basket

These shares come from HS customs code 291819, which covers 96 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
CN 35%ChinaIN 34%IndiaIT 9%ItalyDE 9%GermanyJP 4%Japan

Why It Matters

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

Chemical Identity

CAS77-70-3
PubChem CIDNot recorded
DTXSIDDTXSID20861630
FormulaC7H14O3
Mol. Weight146.186 g/mol
SMILESCCOC(=O)C(C)(O)CC

Data Sources

← Back to Dashboard

Brief citations

Butanoic acid, 2-hydroxy-2-methyl-, ethyl ester (CAS 77-70-3) https://chemicalindependence.com/chemical/77-70-3/ EPA CompTox (DSSTox): 77-70-3. Retrieved 2026-04-29. https://comptox.epa.gov/dashboard/chemical/details/DTXSID20861630 EPA TSCA Inventory: CAS 77-70-3. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 291819 for CAS 77-70-3. Reporting year: 2024. https://usatrade.census.gov/