Dichlorosilane

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

Molecular structure of 4109-96-0
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 (4)
Hemlock Semiconductor Operations
Mitsubishi Polycrystalline Silicon America
Praxair
Rec Silicon

Why It Matters

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

Industrial Uses

Used in 3 sectors as 2 functional roles.

  • Intermediate in All Other Basic Inorganic Chemical Manufacturing (100%)Processing as a reactant
  • Intermediate in Primary Metal Manufacturing (100%)Processing as a reactant
  • Surface active agents in Computer and Electronic Product Manufacturing (100%)Processing—incorporation into article

Chemical Identity

CAS4109-96-0
PubChem CID61330
DTXSIDDTXSID1052082
FormulaCl2H2Si
Mol. Weight101 g/mol
SMILES[SiH2](Cl)Cl

Data Sources

DTXSID10520822026-04-06

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

Archive: data/sources/comptox/dsstox_identifiers.csv

613302026-04-06

https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/61330/property/MolecularFormula,MolecularWeight,CanonicalSMILES,InChIKey/JSON

Archive: data/sources/pubchem_properties/61330.json

4109-96-02026-04-24

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

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

CAS 4109-96-02026-04-25

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

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