Diethyl maleate

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

Molecular structure of 141-05-9
US ProductionCBI
Import Value$139M
Top SourceChina 67%

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 291719 · basket

These shares come from HS customs code 291719, which covers 56 chemicals in total. They estimate the bucket's origin mix, not this chemical specifically.

Source Countries
CN 67%ChinaCA 13%CanadaAT 4%AustriaIN 4%IndiaJP 4%Japan
EPA-registered importers (2)
Ivanhoe Industries
Textile Rubber & Chemical

Why It Matters

Sectors
Metals & MiningPaints & Coatings
Downstream UsesNo data available
FDA Shortage Status
No FDA shortage records

Industrial Uses

Used in 2 sectors as 2 functional roles.

  • Intermediate in Paint and Coating ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
  • Plasticizer in Mining (except Oil and Gas) and support activities (100%)Processing as a reactant

Vendor Pricing

$0.02/gAaron Chemicals LLC
CountryHong Kong
Pack$8.00 / 500 g
Purity98%
Vendors2 available

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

1 more vendor
VendorCountry$/gPackPurity
AA BLOCKSUnited States$0.03500 g95%

Chemical Identity

CAS141-05-9
PubChem CID5271566
DTXSIDDTXSID8020464
FormulaC8H12O4
Mol. Weight172.18 g/mol
SMILESCCOC(=O)C=CC(=O)OCC

Data Sources

DTXSID80204642026-04-06

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

Archive: data/sources/comptox/dsstox_identifiers.csv

52715662026-04-06

https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/5271566/property/MolecularFormula,MolecularWeight,CanonicalSMILES,InChIKey/JSON

Archive: data/sources/pubchem_properties/5271566.json

141-05-92026-04-24

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

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

CAS 141-05-92026-04-25

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

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