Methyltrichlorosilane

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

Molecular structure of 75-79-6
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)
Shin Etsu Silicones Of America
The Dow Chemical

Why It Matters

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

Industrial Uses

Used in 4 sectors as 2 functional roles.

  • Sealant (barrier) in Wood Product Manufacturing (100%)Processing as a reactant
  • Intermediate in Synthetic Rubber Manufacturing (50%)Processing—incorporation into formulation, mixture, or reaction product
  • Intermediate in Plastics Material and Resin Manufacturing (40%)Processing as a reactant
  • Intermediate in All Other Basic Inorganic Chemical Manufacturing (10%)Processing as a reactant

Vendor Pricing

$0.10/gA2B Chem LLC
CountryUnited States
Pack$48.00 / 500 g
Purity98%
Vendors5 available

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

4 more vendors
VendorCountry$/gPackPurity
AA BLOCKSUnited States$0.12500 g98%
Sigma-Aldrich (Rush Stock)Germany$0.21500 g99%
Sigma-AldrichGermany$0.21500 g99%
Labotest KGGermany$217.805000 mg90%

Chemical Identity

CAS75-79-6
PubChem CID6399
DTXSIDDTXSID4026426
FormulaCH3Cl3Si
Mol. Weight149.47 g/mol
SMILESC[Si](Cl)(Cl)Cl

Data Sources

DTXSID40264262026-04-06

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

Archive: data/sources/comptox/dsstox_identifiers.csv

63992026-04-06

https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/6399/property/MolecularFormula,MolecularWeight,CanonicalSMILES,InChIKey/JSON

Archive: data/sources/pubchem_properties/6399.json

75-79-62026-04-24

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

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

CAS 75-79-62026-04-25

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

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