Triethoxypropylsilane
CAS 2550-02-9
Silane, triethoxypropyl-
Companies reported imports and no US production of this chemical to EPA for 2023.
Production is reported production, not a complete census of factories. Production reporting year: 2023. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.
Peak 2013: $1.1B · 2024: $537M · 2025: $470M
Where It Comes From
Customs basis: HS 293190 · basket
- 2023
- US production Zero · Imports 43.9K lb
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.
14 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 | $0.05 | 500 g | 98% |
| Chemscene | United States | $0.07 | 1 kg | — |
| Fluorochem UK | United Kingdom | $0.14 | 100 g | 95% |
| Fluorochem EU | Germany | $0.15 | 100 g | 95% |
| A2B Chem LLC | United States | $0.20 | 25 g | 98% |
| Ambeed, Inc. | United States | $0.23 | 100 g | 98% |
| AA BLOCKS | United States | $0.24 | 25 g | 98% |
| Combi-Blocks, Inc. | United States | $0.25 | 1 kg | 98% |
| AK Scientific Specialized | United States | $0.28 | 500 g | 98% |
| AK Scientific, Inc. | United States | $0.38 | 500 g | 99% |
| Synthonix | United States | $0.64 | 25 g | 98% |
| AstaTech, Inc | United States | $1.60 | 25 g | 95% |
| Angene International Limited | United States | $2.60 | 25 g | 99% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 98% |
Chemical Identity
Data Sources
- EPA TSCA InventoryRetrieved 2026-04-29
- EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
- US Census international tradeReporting year: 2024 · Retrieved 2026-10-04
Brief citations
Triethoxypropylsilane (CAS 2550-02-9) https://chemicalindependence.com/chemical/2550-02-9/ EPA TSCA Inventory: CAS 2550-02-9. Retrieved 2026-04-29. https://www.epa.gov/tsca-inventory EPA Chemical Data Reporting: 2550-02-9. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 293190 for CAS 2550-02-9. Reporting year: 2024. https://usatrade.census.gov/