Shandong Huashang Chemical Co., Ltd.
Product
Trimethylsilyl trifluoromethanesulfonate
  • Brand:HS
  • Model:25kg/drum
  • Purity:99%
  • Cas:27607-77-8
  • Createtime: 2026-04-14
  • Updatetime: 2026-04-15
Product Details
useage Industrial use
deliveryInfo
appearance liquid
Molecular Weight 222.09
aliasen
supplyCapacity 50000MT/Month
harbor Qingdao,China
minorder 1KG
Appearance Colorless transparent liquid

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: Trimethylsilyl trifluoromethanesulfonate
Alias: TMSOTf; Trimethylsilyl triflate
CAS No: 27607-77-8
Molecular Formula: C4H9F3O3SSi
Molecular Weight: 222.09
Classification: Organosilicon reagent; Strong Lewis acid; Silylation reagent; Catalyst

Physical & Chemical Properties

Appearance: Colorless clear liquid
Odor: Irritating odor
Boiling Point: 78-80 °C at 15 mmHg
Density: 1.22 g/mL (25 °C)
Solubility: Miscible with dichloromethane, chloroform, ether, toluene; Reacts violently with water
Stability: Moisture sensitive; Corrosive; Incompatible with water, alcohol, strong base; Store under inert gas, sealed and dry

Specification Table

Item Specification Unit Remarks
Product Name Trimethylsilyl trifluoromethanesulfonate Organic silicon catalyst
CAS No 27607-77-8 Synthetic grade
Appearance Colorless transparent liquid Low viscosity liquid
Molecular Formula C4H9F3O3SSi Fluorosulfonate silane
Molecular Weight 222.09 g/mol
Purity ≥99.0 % GC

Main Uses

  1. Powerful silylation agent and Lewis acid catalyst for organic synthesis.
  2. Widely used in glycosylation, cyclization, condensation and coupling reactions.
  3. Protecting group reagent for hydroxyl, carboxyl and amine groups in pharmaceutical synthesis.
  4. Applied in the preparation of fine chemicals, nucleoside intermediates and natural product total synthesis.