Divinyltetramethyldisiloxane
CAS 2627-95-4
U.S. production volumes are classified as confidential business information.
At least one company claimed its 2023 production or import volume for this chemical as confidential, so EPA withholds it.
Why supply is unknownProduction is reported production, not a complete census of factories. US production volume is confidential. Production reporting year: 2023. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.
Where It Comes From
Customs basis: HS 293190 · basket
- 2023
- US production Confidential · Imports Confidential
- 2019
- US production Confidential · Imports Confidential
These shares come from HS customs code 293190, which covers 378 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.
- Ireland
- Netherlands
- Switzerland
- Monaco
- Ukraine
- Spain
- Mexico
- Poland
- Indonesia
- Armenia
- Israel
- Sweden
- Australia
- Czech Republic
- Hungary
- Brunei
- Hong Kong
- Brazil
- Thailand
- Argentina
- Finland
- Austria
- Latvia
Why It Matters
Industrial Uses
Used in 5 sectors as 3 functional roles.
- •Monomers in Synthetic Rubber Manufacturing (24%)Processing as a reactant
- •Intermediate in Electrical Equipment, Appliance, and Component Manufacturing (75%)Processing as a reactant
- •Intermediate in All Other Basic Organic Chemical Manufacturing (100%)Processing as a reactant
- •Intermediate in All Other Chemical Product and Preparation Manufacturing (25%)Processing—repackaging
- •Monomers in All Other Chemical Product and Preparation Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
- •Intermediate in All Other Basic Inorganic Chemical Manufacturing (100%)Processing as a reactant
- •Terminator/Blocker in All Other Basic Organic Chemical Manufacturing (90%)Processing—incorporation into formulation, mixture, or reaction product
Vendor Pricing
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
10 more vendors
| Vendor | Country Supplier country. Where available, shows shipping origin. When the supplier ships from a different country than where they are registered, both are shown. Most suppliers show registration country only. | $/g | Pack | Purity |
|---|---|---|---|---|
| Angene Chemical | China → Hong Kong | $0.04 | 500 g | 98% |
| Fluorochem UK | United Kingdom | $0.07 | 500 g | 95% |
| Combi-Blocks, Inc. | United States | $0.25 | 1 kg | 98% |
| A2B Chem LLC | United States | $0.27 | 1 kg | 98% |
| AA BLOCKS | United States | $0.28 | 1 kg | 98% |
| Angene International Limited | United States | $2.65 | 100 g | 97% |
| Sigma-Aldrich (Rush Stock) | Germany | $3.66 | 50 g | 97% |
| Sigma-Aldrich | Germany | $3.66 | 50 g | 97% |
| Labotest KG | Germany | $453.00 | 1000 mg | 90% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 98% |
Chemical Identity
Data Sources
- EPA CompTox (DSSTox) · DTXSID7038810Retrieved 2026-04-06
- PubChem · compound 75819Retrieved 2026-04-06
- EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
- EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
- US Census international tradeReporting year: 2024 · Retrieved 2026-10-04
Brief citations
Divinyltetramethyldisiloxane (CAS 2627-95-4) https://chemicalindependence.com/chemical/2627-95-4/ EPA CompTox (DSSTox): DTXSID7038810. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID7038810 PubChem: 75819. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/75819 EPA Chemical Data Reporting: 2627-95-4. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 2627-95-4. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 293190 for CAS 2627-95-4. Reporting year: 2024. https://usatrade.census.gov/