Sodium caprolactamate

CAS 2123-24-2

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

Molecular structure of 2123-24-2 — 1 Na⁺

US productionCBI

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

Import value, 2024$907M

Top sourceIreland 47%

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 293379 · basket

EPA reports by year

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

These shares come from HS customs code 293379, which covers 105 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries

Country of origin for US imports, from Census customs data (2024).

IE 47%IrelandBE 19%BelgiumSG 11%SingaporeIT 4%ItalyCH 4%Switzerland

Brazil
Canada
Taiwan
Ukraine
Portugal
Netherlands
South Korea
Israel
Czech Republic
Spain
Finland
Hungary
Malaysia
Australia
Austria
Slovenia

Why It Matters

Sectors

Plastics & Rubber

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

•Catalyst in Plastics Material and Resin Manufacturing (100%)Processing as a reactant

Chemical Identity

CAS2123-24-2

PubChem CID10964565

DTXSIDDTXSID50890554

FormulaC6H10NNaO

Mol. Weight135.14 g/mol

SMILESC1CCC(=O)[N-]CC1.[Na+]

Data Sources

EPA CompTox (DSSTox) · DTXSID50890554Retrieved 2026-04-06
PubChem · compound 10964565Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

Sodium caprolactamate (CAS 2123-24-2) https://chemicalindependence.com/chemical/2123-24-2/ EPA CompTox (DSSTox): DTXSID50890554. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID50890554 PubChem: 10964565. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/10964565 EPA Chemical Data Reporting: 2123-24-2. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 2123-24-2. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 293379 for CAS 2123-24-2. Reporting year: 2024. https://usatrade.census.gov/