Chlorodimethylsilane

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

Molecular structure of 1066-35-9
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 (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 3 sectors as 2 functional roles.

  • Monomers in All Other Chemical Product and Preparation Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
  • Intermediate in All Other Basic Organic Chemical Manufacturing (100%)Processing as a reactant
  • Monomers in All Other Basic Inorganic Chemical Manufacturing (100%)Processing as a reactant

Vendor Pricing

$0.99/gA2B Chem LLC (1 week)
CountryUnited States
Pack$495.00 / 500 g
Purity97%
Vendors4 available

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

3 more vendors
VendorCountry$/gPackPurity
AA BLOCKS (1 week)United States$1.19500 g97%
Sigma-Aldrich (Rush Stock)Germany$1.8050 g98%
Sigma-AldrichGermany$1.8050 g98%

Chemical Identity

CAS1066-35-9
PubChem CID66108
DTXSIDDTXSID0027355
FormulaC2H7ClSi
Mol. Weight94.61 g/mol
SMILESC[SiH](C)Cl

Data Sources

DTXSID00273552026-04-06

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

Archive: data/sources/comptox/dsstox_identifiers.csv

661082026-04-06

https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/66108/property/MolecularFormula,MolecularWeight,CanonicalSMILES,InChIKey/JSON

Archive: data/sources/pubchem_properties/66108.json

1066-35-92026-04-24

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

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

CAS 1066-35-92026-04-25

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

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