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Hexanedioic acid, bis(1-methylheptyl) ester

CAS 108-63-4

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

Molecular structure of 108-63-4
US productionCBI
Import value, 2024$49M
Top sourceCanada 36%

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. US production volume is confidential. 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 291712 · basket

EPA reports by year
2023
US production Confidential · Imports Confidential
2019
US production Confidential · Imports Confidential

These shares come from HS customs code 291712, which covers 34 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
CA 36%CanadaBR 27%BrazilKR 10%South KoreaIN 6%IndiaNL 5%Netherlands
Domestic parents -- activity not disclosed (1)
Aurorium

Why It Matters

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

Chemical Identity

CAS108-63-4
PubChem CID61022
DTXSIDDTXSID6026795
FormulaC22H42O4
Mol. Weight370.6 g/mol
SMILESCCCCCCC(C)OC(=O)CCCCC(=O)OC(C)CCCCCC

Data Sources

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Brief citations

Hexanedioic acid, bis(1-methylheptyl) ester (CAS 108-63-4) https://chemicalindependence.com/chemical/108-63-4/ EPA CompTox (DSSTox): DTXSID6026795. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID6026795 PubChem: 61022. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/61022 EPA Chemical Data Reporting: 108-63-4. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 291712 for CAS 108-63-4. Reporting year: 2024. https://usatrade.census.gov/