Butanedioic acid polyisobutenyl derivs. esters with pentaerythritol

CAS 103650-95-9

Butanedioic acid, polyisobutenyl derivs., esters with pentaerythritol

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

Molecular structure of 103650-95-9
US productionCBI
Import value, 2024$489M
Top sourceItaly 41%

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 381121 · basket

EPA reports by year
2023
US production Confidential · Imports Confidential

These shares come from HS customs code 381121, which covers 22 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
IT 41%ItalyCA 13%CanadaMX 12%MexicoJP 8%JapanSG 7%Singapore

Why It Matters

Sectors
EnergyCore Chemicals
Downstream UsesNot recorded
FDA Shortage Status
No FDA shortage records

Industrial Uses

Used in 2 sectors as 1 functional role.

  • •Lubricating agent in Petroleum Lubricating Oil and Grease Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
  • •Lubricating agent in All Other Chemical Product and Preparation Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product

Chemical Identity

CAS103650-95-9
PubChem CIDNot recorded
DTXSIDDTXSID601343100
FormulaNot recorded
Mol. WeightNot recorded
SMILESNot recorded

Data Sources

Brief citations

Butanedioic acid polyisobutenyl derivs. esters with pentaerythritol (CAS 103650-95-9) https://chemicalindependence.com/chemical/103650-95-9/ EPA TSCA Inventory: CAS 103650-95-9. Retrieved 2026-04-29. https://www.epa.gov/tsca-inventory EPA Chemical Data Reporting: 103650-95-9. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 103650-95-9. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 381121 for CAS 103650-95-9. Reporting year: 2024. https://usatrade.census.gov/