Caprolactone

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

Molecular structure of 502-44-3
US ProductionCBI
Import Value$286M
Top SourceChina 48%

The EPA did not publish how much of this chemical companies made or imported, or marked that amount confidential. Without that volume, ACID cannot calculate import dependency.

Where It Comes From

Customs basis: HS 293220 · basket

These shares come from HS customs code 293220, which covers 33 chemicals in total. They estimate the bucket's origin mix, not this chemical specifically.

Source Countries
CN 48%ChinaIN 15%IndiaJP 7%JapanGB 7%United KingdomCH 7%Switzerland
EPA-registered manufacturers (2)
Basf Se · DE Germany
Basf
EPA-registered importers (5)
Perstorp Ab · SE Sweden
Charkit Chemical
Daicel Chemtech
Itochu International
Perstorp Polyols

Why It Matters

Sectors
Plastics & RubberTextilesPaints & CoatingsPaper & Printing
Downstream UsesNo data available
FDA Shortage Status
No FDA shortage records

Industrial Uses

Used in 3 sectors as 3 functional roles.

  • •Intermediate in Plastics Material and Resin ManufacturingProcessing as a reactant
  • •Paint additives and coating additives not described by other categories in Paint and Coating Manufacturing (85%)Processing as a reactant
  • •Monomers in Paint and Coating ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
  • •Monomers in Textiles, apparel, and leather manufacturingProcessing—incorporation into formulation, mixture, or reaction product
  • •Intermediate in Paint and Coating Manufacturing (100%)Processing as a reactant

Vendor Pricing

$0.02/gAaron Chemicals LLC
CountryHong Kong
Pack$12.00 / 500 g
Purity97%
Vendors25 available

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

24 more vendors
VendorCountry$/gPackPurity
Angene ChemicalChina → Hong Kong$0.03500 g97%
A2B Chem LLCUnited States$0.031 kg97%
AA BLOCKSUnited States$0.041 kg97%
BLD Pharmatech Co., LimitedUnited States$0.051 kg97%
BLD Pharmatech GmbHGermany$0.051 kg97%
BLD Pharmatech Ltd.China$0.051 kg97%
Ambeed, Inc.United States$0.051 kg97%
ChemsceneUnited States$0.051 kg—
Fluorochem EUGermany$0.061 kg97%
Fluorochem UKUnited Kingdom$0.07500 g97%
ALFA AESARGermany$0.0710 kg99%
AK Scientific SpecializedUnited States$0.08500 g98%
Apollo Scientific UKUnited Kingdom$0.1025 kg99%
MedChemExpress MCESweden$0.121 kg99.99%
AK Scientific, Inc.United States$0.14500 g99%
Combi-Blocks, Inc.United States$0.251 kg98%
Angene International LimitedUnited States$0.28500 g99%
Sigma-Aldrich (Rush Stock)Germany$0.47500 g97%
Sigma-AldrichGermany$0.47500 g97%
AstaTech (2 weeks)United States$0.99100 g95%
InterbioscreenHong Kong$10.0010 g95%
Otava, Ltd.Ukraine$2280.0050 mg95%
Otava, Ltd. (2 weeks)Ukraine$2724.0050 mg95%
AngeneChina → Hong Kong$4266.6730 mg97%

Chemical Identity

CAS502-44-3
PubChem CID10401
DTXSIDDTXSID4027159
FormulaC6H10O2
Mol. Weight114.14 g/mol
SMILESC1CCC(=O)OCC1

Data Sources

DTXSID40271592026-04-06

https://doi.org/10.23645/epacomptox.5588566

Archive: data/sources/comptox/dsstox_identifiers.csv

104012026-04-06

https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/10401/property/MolecularFormula,MolecularWeight,CanonicalSMILES,InChIKey/JSON

Archive: data/sources/pubchem_properties/10401.json

502-44-32026-04-24

https://www.epa.gov/chemical-data-reporting

Archive: data/sources/epa_cdr/2020_cdr.csv

CAS 502-44-32026-04-25

https://www.epa.gov/chemical-data-reporting

Archive: data/sources/epa_cdr/2020_cdr_industrial.csv

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