Trisiloxane, 1,1,1,3,5,5,5-heptamethyl-3-[3-(2-oxiranylmethoxy)propyl]-
CAS 7422-52-8
U.S. production volumes are classified as confidential business information.
At least one company claimed its 2019 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: 2019. 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
- 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
No EPA sector or FDA product records name a use for this chemical.
Vendor Pricing
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
11 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 |
|---|---|---|---|---|
| A2B Chem LLC | United States | $1.36 | 500 g | 98% |
| Aaron Chemicals LLC | Hong Kong | $1.38 | 100 g | 98% |
| Angene Chemical | China → Hong Kong | $1.41 | 100 g | 98% |
| AA BLOCKS | United States | $1.44 | 500 g | 98% |
| BLD Pharmatech Ltd. | China | $1.69 | 100 g | 98% |
| Ambeed, Inc. | United States | $2.00 | 25 g | 98% |
| Fluorochem EU | Germany | $2.47 | 25 g | 95% |
| BLD Pharmatech Co., Limited | United States | $4.80 | 5 g | 98% |
| BLD Pharmatech GmbH | Germany | $4.80 | 5 g | 98% |
| Angene International Limited | United States | $21.60 | 25 g | 97% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 98% |
Chemical Identity
Data Sources
- EPA CompTox (DSSTox) · DTXSID20884384Retrieved 2026-04-06
- PubChem · compound 62635Retrieved 2026-04-06
- EPA Chemical Data ReportingReporting year: 2019 · Retrieved 2026-10-04
- US Census international tradeReporting year: 2024 · Retrieved 2026-10-04
Brief citations
Trisiloxane, 1,1,1,3,5,5,5-heptamethyl-3-[3-(2-oxiranylmethoxy)propyl]- (CAS 7422-52-8) https://chemicalindependence.com/chemical/7422-52-8/ EPA CompTox (DSSTox): DTXSID20884384. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID20884384 PubChem: 62635. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/62635 EPA Chemical Data Reporting: 7422-52-8. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 293190 for CAS 7422-52-8. Reporting year: 2024. https://usatrade.census.gov/