Hexanedioic acid, polymer with hexahydro-2H-azepin-2-one and 1,6-hexanediamine

CAS 24993-04-2

Molecular structure of 24993-04-2
US productionNot reported
Import value, 2024$460M
Top sourceCanada 29%

EPA exempts this chemical from its production survey.

Why supply is unknown

Production is reported production, not a complete census of factories. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 390810 · narrow

These shares come from HS customs code 390810, which covers 3 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
CA 29%CanadaDE 17%GermanyIT 9%ItalySI 8%SloveniaES 6%Spain

Why It Matters

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

Chemical Identity

CAS24993-04-2
PubChem CIDNot recorded
DTXSIDDTXSID601011628
FormulaNot recorded
Mol. WeightNot recorded
SMILESNot recorded

Data Sources

Brief citations

Hexanedioic acid, polymer with hexahydro-2H-azepin-2-one and 1,6-hexanediamine (CAS 24993-04-2) https://chemicalindependence.com/chemical/24993-04-2/ EPA TSCA Inventory: CAS 24993-04-2. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 390810 for CAS 24993-04-2. Reporting year: 2024. https://usatrade.census.gov/