Aspartic acid, N,N'-(2-methyl-1,5-pentanediyl)bis-, 1,1',4,4'-tetraethyl ester

CAS 168253-59-6

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 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.

Where It Comes From

EPA reports by year

2023: US production Confidential · Imports Confidential
2019: US production Confidential · Imports Confidential

EPA-registered manufacturers (1)

Companies that report making or importing this chemical to the EPA. Registration is US-centric and does not indicate import origin.

Arnette Polymers

EPA-registered importers (1)

Companies that report making or importing this chemical to the EPA. Registration is US-centric and does not indicate import origin.

Covestro

Why It Matters

Sectors

Paints & Coatings

Downstream UsesNot recorded

FDA Shortage Status

Whether any manufacturer currently reports this drug as in shortage on the FDA Drug Shortages database. "Active Shortage" means at least one presentation has status "current."

No FDA shortage records

Industrial Uses

Used in 1 sector as 2 functional roles.

•Paint additives and coating additives not described by other categories in Paint and Coating Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
•Intermediate in Paint and Coating Manufacturing (100%)Processing as a reactant

Chemical Identity

CAS168253-59-6

PubChem CID59677930

DTXSIDDTXSID50870098

FormulaC22H40N2O8

Mol. Weight460.6 g/mol

SMILESCCOC(=O)CC(C(=O)OCC)NCCCC(C)CNC(CC(=O)OCC)C(=O)OCC

Data Sources

EPA CompTox (DSSTox) · DTXSID50870098Retrieved 2026-04-06
PubChem · compound 59677930Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04

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Brief citations

Aspartic acid, N,N'-(2-methyl-1,5-pentanediyl)bis-, 1,1',4,4'-tetraethyl ester (CAS 168253-59-6) https://chemicalindependence.com/chemical/168253-59-6/ EPA CompTox (DSSTox): DTXSID50870098. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID50870098 PubChem: 59677930. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/59677930 EPA Chemical Data Reporting: 168253-59-6. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 168253-59-6. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting