1,4-Benzenedicarboxylic acid, 1,4-dimethyl ester, polymer with 1,4-butanediol, cyclized

CAS 263244-54-8

U.S. production volumes are classified as confidential business information.

US productionCBI

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

Top sourceNo public record

At least one company claimed its 2019 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. US production volume is confidential. Production reporting year: 2019.

Where It Comes From

EPA reports by year

2019: US production Confidential · Imports Confidential

Domestic parents -- activity not disclosed (1)

EPA records name a US company for this chemical but do not disclose whether the company made it here or imported it.

Clariant

Why It Matters

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

Chemical Identity

CAS263244-54-8

PubChem CIDNot recorded

DTXSIDDTXSID50108282

FormulaNot recorded

Mol. WeightNot recorded

SMILESNot recorded

Data Sources

EPA CompTox (DSSTox) · DTXSID50108282Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2019 · Retrieved 2026-10-04

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Brief citations

1,4-Benzenedicarboxylic acid, 1,4-dimethyl ester, polymer with 1,4-butanediol, cyclized (CAS 263244-54-8) https://chemicalindependence.com/chemical/263244-54-8/ EPA CompTox (DSSTox): DTXSID50108282. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID50108282 EPA Chemical Data Reporting: 263244-54-8. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting