Tetrapropyl orthosilicate

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

Molecular structure of 682-01-9
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 (1)
Momentive Performance Materials
EPA-registered importers (1)
Evonik

Why It Matters

Sectors
TransportationConstructionCore Chemicals
Downstream UsesNo data available
FDA Shortage Status
No FDA shortage records

Industrial Uses

Used in 3 sectors as 1 functional role.

  • Adhesives and sealant chemicals in Adhesive Manufacturing (100%)Processing as a reactant
  • Adhesives and sealant chemicals in All Other Basic Organic Chemical Manufacturing (50%)Processing—incorporation into formulation, mixture, or reaction product
  • Adhesives and sealant chemicals in Transportation Equipment Manufacturing (50%)Processing—incorporation into formulation, mixture, or reaction product

Vendor Pricing

$0.08/gAaron Chemicals LLC
CountryHong Kong
Pack$38.00 / 500 g
PurityNo data available
Vendors14 available

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

13 more vendors
VendorCountry$/gPackPurity
A2B Chem LLCUnited States$0.081 kg98%
Angene ChemicalChina Hong Kong$0.08500 g
AA BLOCKSUnited States$0.091 kg98%
ChemsceneUnited States$0.111 kg
BLD Pharmatech GmbHGermany$0.111 kg98%
BLD Pharmatech Ltd.China$0.111 kg98%
BLD Pharmatech Co., LimitedUnited States$0.13500 g98%
Ambeed, Inc.United States$0.13500 g98%
Combi-Blocks, Inc.United States$0.251 kg98%
Sigma-Aldrich (Rush Stock)Germany$1.89100 g95%
Sigma-AldrichGermany$1.89100 g95%
Angene International LimitedUnited States$3.7625 g97%
AngeneChina Hong Kong$4266.6730 mg

Chemical Identity

CAS682-01-9
PubChem CID69627
DTXSIDDTXSID9042382
FormulaC12H28O4Si
Mol. Weight264.43 g/mol
SMILESCCCO[Si](OCCC)(OCCC)OCCC

Data Sources

DTXSID90423822026-04-06

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

Archive: data/sources/comptox/dsstox_identifiers.csv

696272026-04-06

https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/69627/property/MolecularFormula,MolecularWeight,CanonicalSMILES,InChIKey/JSON

Archive: data/sources/pubchem_properties/69627.json

682-01-92026-04-24

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

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

CAS 682-01-92026-04-25

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

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