Dimethyldichlorosilane

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

Molecular structure of 75-78-5
US ProductionCBI
Import Value$537M
Top SourceChina 39%

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 293190 · basket

These shares come from HS customs code 293190, which covers 164 chemicals in total. They estimate the bucket's origin mix, not this chemical specifically.

Source Countries
CN 39%ChinaDE 17%GermanyIT 9%ItalyIN 7%IndiaJP 7%Japan
EPA-registered manufacturers (2)
Momentive Performance Materials
The Dow Chemical
EPA-registered importers (2)
Evonik
The Dow Chemical

Why It Matters

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

Industrial Uses

Used in 3 sectors as 3 functional roles.

  • •Intermediate in All Other Basic Inorganic Chemical Manufacturing (100%)Processing as a reactant
  • •Intermediate in All Other Basic Organic Chemical Manufacturing (50%)Processing as a reactant
  • •Adhesives and sealant chemicals in Transportation Equipment Manufacturing (50%)Processing—incorporation into formulation, mixture, or reaction product
  • •Monomers in All Other Basic Inorganic Chemical Manufacturing (100%)Processing as a reactant

Vendor Pricing

$0.07/gSigma-Aldrich (Rush Stock)
CountryGermany
Pack$1706.22 / 25 kg
Purity99%
Vendors5 available

Prices reflect listed pack sizes. Small research packs run far above bulk rates.

4 more vendors
VendorCountry$/gPackPurity
Sigma-AldrichGermany$0.0725 kg99%
Labotest KGGermany$217.805000 mg90%
AsinexNetherlands$6461.40100 mg90%
TimTec, LLC (back-ordered)United States$32000.0015 mg94%

Chemical Identity

CAS75-78-5
PubChem CID6398
DTXSIDDTXSID9026425
FormulaC2H6Cl2Si
Mol. Weight129.06 g/mol
SMILESC[Si](C)(Cl)Cl

Data Sources

DTXSID90264252026-04-06

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

Archive: data/sources/comptox/dsstox_identifiers.csv

63982026-04-06

https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/6398/property/MolecularFormula,MolecularWeight,CanonicalSMILES,InChIKey/JSON

Archive: data/sources/pubchem_properties/6398.json

75-78-52026-04-24

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

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

CAS 75-78-52026-04-25

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

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

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