N-Vinylcaprolactam

CAS 2235-00-9

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

Molecular structure of 2235-00-9
US productionCBI
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
IE 47%IrelandBE 19%BelgiumSG 11%SingaporeIT 4%ItalyCH 4%Switzerland
EPA-registered manufacturers (1)
Ashland
Domestic parents -- activity not disclosed (2)
Covestro
Cymer
EPA-registered importers (5)
Basf Se · DE Germany
Agfa
Basf
Canon U.S.A
Hp

Why It Matters

Sectors
Paints & CoatingsCore Chemicals
Downstream UsesNot recorded
FDA Shortage Status
No FDA shortage records

Industrial Uses

Used in 3 sectors as 2 functional roles.

  • •Intermediate in All Other Chemical Product and Preparation Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
  • •Intermediate in All Other Basic Organic Chemical Manufacturing (100%)Processing as a reactant
  • •Monomers in Paint and Coating Manufacturing (100%)Processing as a reactant

Vendor Pricing

$0.08/gAaron Chemicals LLC
CountryHong Kong
Pack$41.00 / 500 g
PurityNot recorded
Vendors15 available

Prices reflect listed pack sizes. Small research packs run far above bulk rates.

Chemical Identity

CAS2235-00-9
PubChem CID75227
DTXSIDDTXSID1041423
FormulaC8H13NO
Mol. Weight139.19 g/mol
SMILESC=CN1CCCCCC1=O

Data Sources

Brief citations

N-Vinylcaprolactam (CAS 2235-00-9) https://chemicalindependence.com/chemical/2235-00-9/ EPA CompTox (DSSTox): DTXSID1041423. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID1041423 PubChem: 75227. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/75227 EPA Chemical Data Reporting: 2235-00-9. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 2235-00-9. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 293379 for CAS 2235-00-9. Reporting year: 2024. https://usatrade.census.gov/