Tetraethyl orthosilicate

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

Molecular structure of 78-10-4
US ProductionCBI
Import Value$208M
Top SourceChina 28%

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 292090 · basket

These shares come from HS customs code 292090, which covers 41 chemicals in total. They estimate the bucket's origin mix, not this chemical specifically.

Source Countries
CN 28%ChinaKR 17%South KoreaIT 13%ItalyIN 10%IndiaDE 9%Germany
EPA-registered manufacturers (4)
Evonik
Momentive Performance Materials
Shin Etsu Silicones Of America
The Dow Chemical
EPA-registered importers (4)
Evonik
Hempel (Usa)
Hexion Holdings
K&M Holdings Group

Why It Matters

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

Industrial Uses

Used in 7 sectors as 6 functional roles.

  • •Intermediate in All Other Basic Inorganic Chemical Manufacturing (100%)Processing as a reactant
  • •Binder in Paint and Coating Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
  • •Adhesives and sealant chemicals in Wood Product Manufacturing (100%)Processing—incorporation into article
  • •Binder in All Other Basic Inorganic Chemical Manufacturing (50%)Processing as a reactant
  • •Binder in Synthetic Rubber Manufacturing (50%)Processing—incorporation into formulation, mixture, or reaction product
  • •Intermediate in All Other Chemical Product and Preparation Manufacturing (100%)Processing as a reactant
  • •Adhesives and sealant chemicals in Synthetic Rubber Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
  • •Impregnation agent in ConstructionProcessing—incorporation into article
  • •Film former in All Other Chemical Product and Preparation ManufacturingProcessing as a reactant
  • •Hardener in Rubber Product ManufacturingProcessing—incorporation into formulation, mixture, or reaction product

Vendor Pricing

$0.13/gFluorochem UK
CountryUnited Kingdom
Pack$31.46 / 250 g
Purity98%
Vendors7 available

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

6 more vendors
VendorCountry$/gPackPurity
A2B Chem LLCUnited States$0.20500 g98%
AA BLOCKSUnited States$0.23500 g98%
Combi-Blocks, Inc.United States$0.251 kg98%
Fluorochem EUGermany$0.8225 g98%
Otava, Ltd.Ukraine$2280.0050 mg95%
Otava, Ltd. (2 weeks)Ukraine$2724.0050 mg95%

Chemical Identity

CAS78-10-4
PubChem CID6517
DTXSIDDTXSID6026450
FormulaC8H20O4Si
Mol. Weight208.33 g/mol
SMILESCCO[Si](OCC)(OCC)OCC

Data Sources

DTXSID60264502026-04-06

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

Archive: data/sources/comptox/dsstox_identifiers.csv

65172026-04-06

https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/6517/property/MolecularFormula,MolecularWeight,CanonicalSMILES,InChIKey/JSON

Archive: data/sources/pubchem_properties/6517.json

78-10-42026-04-24

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

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

CAS 78-10-42026-04-25

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

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

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