Dodecamethylcyclohexasiloxane

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

Molecular structure of 540-97-6
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 (3)
K&M Holdings Group
Momentive Performance Materials
The Dow Chemical
EPA-registered importers (3)
Brb North America
Lanxess
The Dow Chemical

Why It Matters

Sectors
EnergyElectronicsConstructionMetals & MiningPlastics & RubberTextilesCore Chemicals
Downstream UsesNo data available
FDA Shortage Status
No FDA shortage records

Industrial Uses

Used in 11 sectors as 11 functional roles.

  • Diluent in All Other Chemical Product and Preparation Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
  • Anti-adhesive agents in Wood Product ManufacturingProcessing—incorporation into article
  • Viscosity modifiers in All Other Chemical Product and Preparation ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
  • Dispersing agent in Rubber Product Manufacturing (97%)Processing—incorporation into formulation, mixture, or reaction product
  • Surfactant (surface active agent) in Textiles, apparel, and leather manufacturing (2%)Processing—incorporation into formulation, mixture, or reaction product
  • Lubricants and lubricant additives in Asphalt Paving, Roofing, and Coating Materials Manufacturing (20%)Processing—incorporation into formulation, mixture, or reaction product
  • Intermediate in Cyclic Crude and Intermediate Manufacturing (20%)Processing—incorporation into formulation, mixture, or reaction product
  • Solvents (which become part of product formulation or mixture) in All Other Basic Organic Chemical Manufacturing (10%)Processing—incorporation into formulation, mixture, or reaction product
  • Intermediate in Synthetic Rubber Manufacturing (10%)Processing—incorporation into formulation, mixture, or reaction product
  • Adhesives and sealant chemicals in Computer and Electronic Product Manufacturing (20%)Processing—incorporation into formulation, mixture, or reaction product
  • Intermediate in All Other Basic Inorganic Chemical Manufacturing (3%)Processing as a reactant
  • Solvent in All Other Chemical Product and Preparation Manufacturing (3%)Processing—incorporation into formulation, mixture, or reaction product
  • Solvent in Other (180%)Processing—incorporation into formulation, mixture, or reaction product
  • Terminator/Blocker in Synthetic Rubber ManufacturingProcessing as a reactant
  • Intermediate in All Other Chemical Product and Preparation ManufacturingProcessing as a reactant

Vendor Pricing

$3.55/gA2B Chem LLC
CountryUnited States
Pack$355.00 / 100 g
Purity95%
Vendors9 available

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

8 more vendors
VendorCountry$/gPackPurity
AA BLOCKSUnited States$3.65100 g95%
Angene International LimitedUnited States$6.16100 g95%
Fluorochem UKUnited Kingdom$14.3025 g95%
AstaTech (2 weeks)United States$42.001 g97%
Aaron Chemicals LLCHong Kong$72.001 g98%
Angene ChemicalChina Hong Kong$79.001 g98%
Sigma-Aldrich (Rush Stock)Germany$257.92250 mg95%
Sigma-AldrichGermany$257.92250 mg95%

Chemical Identity

CAS540-97-6
PubChem CID10911
DTXSIDDTXSID6027183
FormulaC12H36O6Si6
Mol. Weight444.92 g/mol
SMILESC[Si]1(O[Si](O[Si](O[Si](O[Si](O[Si](O1)(C)C)(C)C)(C)C)(C)C)(C)C)C

Data Sources

DTXSID60271832026-04-06

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

Archive: data/sources/comptox/dsstox_identifiers.csv

109112026-04-06

https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/10911/property/MolecularFormula,MolecularWeight,CanonicalSMILES,InChIKey/JSON

Archive: data/sources/pubchem_properties/10911.json

540-97-62026-04-24

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

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

CAS 540-97-62026-04-25

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

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