Propanoic anhydride

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

Molecular structure of 123-62-6
US ProductionCBI
Import Value$384M
Top SourceMalaysia 21%

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 291590 · basket

These shares come from HS customs code 291590, which covers 180 chemicals in total. They estimate the bucket's origin mix, not this chemical specifically.

Source Countries
MY 21%MalaysiaDE 13%GermanyNL 13%NetherlandsMX 10%MexicoIT 8%Italy

Why It Matters

Sectors
Core Chemicals
Downstream UsesNo data available
FDA Shortage Status
No FDA shortage records

Chemical Identity

CAS123-62-6
PubChem CID31263
DTXSIDDTXSID1027007
FormulaC6H10O3
Mol. Weight130.14 g/mol
SMILESCCC(=O)OC(=O)CC

Data Sources

DTXSID10270072026-04-06

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

Archive: data/sources/comptox/dsstox_identifiers.csv

312632026-04-06

https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/31263/property/MolecularFormula,MolecularWeight,CanonicalSMILES,InChIKey/JSON

Archive: data/sources/pubchem_properties/31263.json

123-62-62026-04-24

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

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

CAS 123-62-62026-04-25

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

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

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