bis(Hydroxyethyl) terephthalate

CAS 959-26-2

1,4-Benzenedicarboxylic acid, 1,4-bis(2-hydroxyethyl) ester

Molecular structure of 959-26-2
US productionNot reported
Import value, 2024$316M
Top sourceSouth Korea 19%

EPA lists this chemical for 2023 but publishes zero or no volume for both production and imports.

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 291739 · basket

EPA reports by year
2023
US production Not published · Imports Not published

These shares come from HS customs code 291739, which covers 103 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
KR 19%South KoreaCN 19%ChinaIN 18%IndiaES 13%SpainCA 9%Canada
Domestic parents -- activity not disclosed (1)
Alpek Polyester Usa

Why It Matters

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

Vendor Pricing

$0.23/gAA BLOCKS
CountryUnited States
Pack$116.00 / 500 g
Purity85%
Vendors12 available

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

Chemical Identity

CAS959-26-2
PubChem CIDNot recorded
DTXSIDDTXSID3052644
FormulaC12H14O6
Mol. Weight254.238 g/mol
SMILESOCCOC(=O)C1=CC=C(C=C1)C(=O)OCCO

Data Sources

Brief citations

bis(Hydroxyethyl) terephthalate (CAS 959-26-2) https://chemicalindependence.com/chemical/959-26-2/ EPA TSCA Inventory: CAS 959-26-2. Retrieved 2026-04-29. https://www.epa.gov/tsca-inventory EPA Chemical Data Reporting: 959-26-2. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 291739 for CAS 959-26-2. Reporting year: 2024. https://usatrade.census.gov/