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Methylphosphonic acid dichloride

CAS 676-97-1

Phosphonic dichloride, P-methyl-

EPA and Census publish no US supply data for this chemical.

Molecular structure of 676-97-1
US productionNot reported
Top sourceNo public record

This chemical is listed as active in US commerce, but no company reported it to EPA’s survey for 2019 or 2023. Sites may have made or imported less than the threshold amount, or none.

Why supply is unknown

Where It Comes From

Customs basis: HS 293151 · exact

EPA and Census publish no US supply data for this chemical.

Why It Matters

No EPA sector or FDA product records name a use for this chemical.

Chemical Identity

CAS676-97-1
PubChem CIDNot recorded
DTXSIDDTXSID6060979
FormulaCH3Cl2OP
Mol. Weight132.91 g/mol
SMILESCP(Cl)(Cl)=O

Data Sources

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Brief citations

Methylphosphonic acid dichloride (CAS 676-97-1) https://chemicalindependence.com/chemical/676-97-1/ EPA TSCA Inventory: CAS 676-97-1. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory