Phosphonic acid, P-methyl-, methyl 3-(trimethoxysilyl)propyl ester

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

Molecular structure of 67812-17-3
US ProductionCBI
Import Value$598M
Import VolumeZero
Top SourceChina 89%

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 293149 · basket

These shares come from HS customs code 293149, which covers 52 chemicals in total. They estimate the bucket's origin mix, not this chemical specifically.

Source Countries
CN 89%ChinaIN 4%IndiaCA 3%CanadaDE 2%GermanyAR 1%Argentina
EPA-registered manufacturers (1)
The Dow Chemical

Why It Matters

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

Industrial Uses

Used in 1 sector as 1 functional role.

  • Intermediate in All Other Basic Inorganic Chemical Manufacturing (100%)Processing as a reactant

Chemical Identity

CAS67812-17-3
PubChem CID105669
DTXSIDDTXSID50867347
FormulaC8H21O6PSi
Mol. Weight272.31 g/mol
SMILESCO[Si](CCCOP(=O)(C)OC)(OC)OC

Data Sources

DTXSID508673472026-04-06

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

Archive: data/sources/comptox/dsstox_identifiers.csv

1056692026-04-06

https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/105669/property/MolecularFormula,MolecularWeight,CanonicalSMILES,InChIKey/JSON

Archive: data/sources/pubchem_properties/105669.json

67812-17-32026-04-24

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

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

CAS 67812-17-32026-04-25

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

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