Tungstosilicic acid (H4SiW12O40)

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

Molecular structure of 12027-38-2
US ProductionCBI
Import Value$66M
Top SourceChina 46%

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 281119 · basket

These shares come from HS customs code 281119, which covers 19 chemicals in total. They estimate the bucket's origin mix, not this chemical specifically.

Source Countries
CN 46%ChinaDE 17%GermanyMY 12%MalaysiaKR 5%South KoreaTW 5%Taiwan
EPA-registered importers (1)
Pq

Why It Matters

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

Chemical Identity

CAS12027-38-2
PubChem CID25113560
DTXSIDDTXSID201014737
FormulaH4O40SiW12
Mol. Weight2878.2 g/mol
SMILESO[Si](O)(O)O.O=[W]1(=O)O[W](=O)(=O)O[W](=O)(=O)O1.O=[W]1(=O)O[W](=O)(=O)O[W](=O)(=O)O1.O=[W]1(=O)O[W](=O)(=O)O[W](=O)(=O)O1.O=[W]1(=O)O[W](=O)(=O)O[W](=O)(=O)O1

Data Sources

DTXSID2010147372026-04-06

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

Archive: data/sources/comptox/dsstox_identifiers.csv

251135602026-04-06

https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/25113560/property/MolecularFormula,MolecularWeight,CanonicalSMILES,InChIKey/JSON

Archive: data/sources/pubchem_properties/25113560.json

12027-38-22026-04-24

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

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

CAS 12027-38-22026-04-25

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

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