Shandong Huashang Chemical Co., Ltd. is a high-tech enterprise specializing in the research and development, manufacturing, and sales of fine chemicals. Headquartered in Jinan, Shandong, China, we are committed to delivering high-quality products to our global partners. Currently, over 90% of our products are exported to developed markets, including North America, Europe, Japan, South Korea, and the Middle East.
Basic Information
Product Name: Trifluoromethanesulfonic acid tert-butyldimethylsilyl ester
Alias: TBS triflate; tert-Butyldimethylsilyl trifluoromethanesulfonate
CAS No.: 69739-34-0
EINECS No.: Not available
Molecular Formula: C7H15F3O3SSi
Molecular Weight: 264.34 g/mol
Classification: Organic silicon reagent; Sulfonate compound; Protecting group reagent; Pharmaceutical intermediate
Physical & Chemical Properties
Appearance: Colorless transparent liquid
Boiling Point: 65-67 ℃(15 mmHg)
Solubility: Soluble in dichloromethane, chloroform, toluene; decomposes in water
Stability: Moisture sensitive; easy to hydrolyze; store sealed under nitrogen, avoid moisture and high temperature
Specification Table
| Item | Specification | Unit | Remarks |
| Product Name | Trifluoromethanesulfonic acid tert-butyldimethylsilyl ester | — | TBS triflate |
| CAS Number | 69739-34-0 | — | Silylation protecting reagent |
| Appearance | Colorless transparent liquid | — | Slight characteristic odor |
| Molecular Formula | C7H15F3O3SSi | — | Silicon sulfonate derivative |
| Molecular Weight | 264.34 | g/mol | — |
| Purity | ≥98.0 | % | GC |
Main Uses
- Commonly used silylation protecting reagent in organic synthesis
- Used for protection of hydroxyl and amino groups in drug molecule synthesis
- Catalyst and condensation agent for fine chemical reaction
- Widely applied in chiral synthesis, pharmaceutical intermediates and natural product synthesis
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