Chlorotrimethylsilane

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

Molecular structure of 75-77-4
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
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 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

$0.06/gAA BLOCKS
CountryUnited States
Pack$150.00 / 2.5 kg
Purity99%
Vendors10 available

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

9 more vendors
VendorCountry$/gPackPurity
A2B Chem LLCUnited States$0.062.5 kg99%
Sigma-Aldrich (Rush Stock)Germany$0.0625 kg99%
Sigma-AldrichGermany$0.0625 kg99%
Manchester OrganicsUnited Kingdom$0.062.5 kg99%
Fluorochem UKUnited Kingdom$0.08500 g99%
Labotest KGGermany$217.805000 mg90%
Otava, Ltd.Ukraine$2280.0050 mg95%
Otava, Ltd. (2 weeks)Ukraine$2724.0050 mg95%
Princeton BioMolecular Research (SC)United States$2900.00100 mg90%

Chemical Identity

CAS75-77-4
PubChem CID6397
DTXSIDDTXSID2024822
FormulaC3H9ClSi
Mol. Weight108.64 g/mol
SMILESC[Si](C)(C)Cl

Data Sources

DTXSID20248222026-04-06

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

Archive: data/sources/comptox/dsstox_identifiers.csv

63972026-04-06

https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/6397/property/MolecularFormula,MolecularWeight,CanonicalSMILES,InChIKey/JSON

Archive: data/sources/pubchem_properties/6397.json

75-77-42026-04-24

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

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

CAS 75-77-42026-04-25

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

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