Trimethoxymethylsilane

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

Molecular structure of 1185-55-3
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)
K&M Holdings Group
The Dow Chemical

Why It Matters

Sectors
ElectronicsConstructionPaints & CoatingsCore Chemicals
Downstream UsesNo data available
FDA Shortage Status
No FDA shortage records

Industrial Uses

Used in 6 sectors as 6 functional roles.

  • •Process regulators in Adhesive Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
  • •Binder in All Other Chemical Product and Preparation Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
  • •Paint additives and coating additives not described by other categories in Paint and Coating Manufacturing (33%)Processing as a reactant
  • •Adhesives and sealant chemicals in Adhesive Manufacturing (33%)Processing as a reactant
  • •Adhesives and sealant chemicals in Electrical Equipment, Appliance, and Component Manufacturing (34%)Processing—incorporation into formulation, mixture, or reaction product
  • •Intermediate in All Other Chemical Product and Preparation Manufacturing (50%)Processing as a reactant
  • •Intermediate in All Other Basic Inorganic Chemical Manufacturing (70%)Processing as a reactant
  • •Intermediate in Paint and Coating Manufacturing (2%)Processing as a reactant
  • •Intermediate in Electrical Equipment, Appliance, and Component Manufacturing (10%)Processing as a reactant
  • •Intermediate in Adhesive Manufacturing (30%)Processing—incorporation into formulation, mixture, or reaction product
  • •Sealant (barrier) in ConstructionProcessing—incorporation into formulation, mixture, or reaction product

Vendor Pricing

$0.01/gAaron Chemicals LLC
CountryHong Kong
Pack$7.00 / 500 g
Purity98%
Vendors12 available

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

11 more vendors
VendorCountry$/gPackPurity
Angene ChemicalChina → Hong Kong$0.02500 g98%
Fluorochem UKUnited Kingdom$0.03500 g98%
Fluorochem EUGermany$0.03500 g98%
AstaTech, IncUnited States$0.121 kg95%
A2B Chem LLCUnited States$0.30500 g98%
Combi-Blocks, Inc.United States$0.30500 g98%
AA BLOCKSUnited States$0.35500 g98%
Ambeed, Inc.United States$0.41100 g98%
Angene International LimitedUnited States$0.56500 g97%
Labotest KGGermany$453.001000 mg90%
AngeneChina → Hong Kong$4266.6730 mg98%

Chemical Identity

CAS1185-55-3
PubChem CID14456
DTXSIDDTXSID3027370
FormulaC4H12O3Si
Mol. Weight136.22 g/mol
SMILESCO[Si](C)(OC)OC

Data Sources

DTXSID30273702026-04-06

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

Archive: data/sources/comptox/dsstox_identifiers.csv

144562026-04-06

https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/14456/property/MolecularFormula,MolecularWeight,CanonicalSMILES,InChIKey/JSON

Archive: data/sources/pubchem_properties/14456.json

1185-55-32026-04-24

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

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

CAS 1185-55-32026-04-25

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

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

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