- Assay (GC): ≥99.0%
- Water Content (KF): ≤0.1%
- Boiling Point Range: 77–79 °C
- Residue on Evaporation: ≤0.05%
- Free Acid (as CF3SO3H): ≤0.2%
- Relative Density (25°C): 1.225–1.230
- Appearance: Clear colorless liquid, no suspended matter


Applications
Trimethylsilyl trifluoromethanesulfonate is a high-efficiency silylation reagent and strong Lewis acid catalyst widely used in fine organic synthesis and pharmaceutical intermediate manufacturing. It is commonly applied for hydroxyl, carboxyl and amino group protection and silylation modification, effectively improving compound stability and solubility in non-aqueous systems. It acts as an excellent catalyst for cyclization, condensation, rearrangement and glycosylation reactions, greatly enhancing reaction selectivity and yield. In pharmaceutical and agrochemical R&D, it serves as a key reagent for the synthesis of heterocyclic compounds, steroid derivatives and API intermediates. It is also extensively used in material chemistry for the modification of silicone monomers, photoresist raw materials and electronic grade chemical additives, as well as in laboratory high-purity organic synthesis and customized fine chemical production.
Safety
This chemical is highly corrosive, causes severe skin burns and serious irreversible eye damage. Inhalation of vapor may irritate respiratory tract, cause coughing, chest discomfort and even chemical bronchitis. It reacts violently with water releasing corrosive fumes, and may cause splashing and secondary injury. Strict personal protection including acid-resistant gloves, chemical splash goggles and gas mask is required during all operations, and all handling must be carried out in fume hood. Store tightly sealed in dry, cool, inert gas-sealed environment, far away from moisture, water sources, strong alkali and oxidants. In case of skin or eye contact, rinse continuously with plenty of running water for at least 15 minutes and seek immediate medical treatment. Waste liquid and contaminated packaging must be treated as hazardous corrosive waste, prohibited from direct discharge to sewer, soil or water body to avoid environmental corrosion and ecological pollution.