Trichlorosilane

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

Molecular structure of 10025-78-2
US ProductionCBI
Import Value$154M
Top SourceGermany 55%

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 285390 · basket

These shares come from HS customs code 285390, which covers 13 chemicals in total. They estimate the bucket's origin mix, not this chemical specifically.

Source Countries
DE 55%GermanyCA 21%CanadaJP 6%JapanGB 4%United KingdomKR 3%South Korea
EPA-registered manufacturers (5)
Hemlock Semiconductor Operations
Mitsubishi Polycrystalline Silicon America
Momentive Performance Materials
Praxair
The Dow Chemical
EPA-registered importers (2)
K&M Holdings Group
Shin Etsu Silicones Of America

Why It Matters

Sectors
ElectronicsMetals & MiningPlastics & RubberCore Chemicals
Downstream UsesNo data available
FDA Shortage Status
No FDA shortage records

Industrial Uses

Used in 4 sectors as 4 functional roles.

  • Intermediate in All Other Basic Inorganic Chemical Manufacturing (100%)Processing as a reactant
  • Adhesion/cohesion promoter in All Other Basic Organic Chemical Manufacturing (50%)Processing as a reactant
  • Binder in All Other Basic Organic Chemical Manufacturing (50%)Processing as a reactant
  • Intermediate in Primary Metal Manufacturing (100%)Processing as a reactant
  • Intermediate in All Other Basic Organic Chemical Manufacturing (100%)Processing as a reactant
  • Adhesives and sealant chemicals in Synthetic Rubber Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
  • Intermediate in Synthetic Rubber Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product

Chemical Identity

CAS10025-78-2
PubChem CID24811
DTXSIDDTXSID4029301
FormulaCl3HSi
Mol. Weight135.45 g/mol
SMILES[SiH](Cl)(Cl)Cl

Data Sources

DTXSID40293012026-04-06

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

Archive: data/sources/comptox/dsstox_identifiers.csv

248112026-04-06

https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/24811/property/MolecularFormula,MolecularWeight,CanonicalSMILES,InChIKey/JSON

Archive: data/sources/pubchem_properties/24811.json

10025-78-22026-04-24

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

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

CAS 10025-78-22026-04-25

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

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