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
Alias: Triflic acid
CAS No: 1493-13-6
Molecular Formula: CHF3O3S
Molecular Weight: 150.07
Classification: Superacid; Strong organic acid; Catalyst; Organic synthesis reagent
Physical & Chemical Properties
Appearance: Colorless transparent liquid
Odor: Pungent irritating odor
Density: 1.696 g/mL (25 °C)
Boiling Point: 162 °C
Refractive Index: 1.327
Solubility: Miscible with water, ethanol, ether; Reacts with alkaline substances
Stability: Highly corrosive, hygroscopic; Strong acidity; Incompatible with bases, oxidants, amines; Sealed storage under dry environment
Specification Table
| Item | Specification | Unit | Remarks |
| Product Name | Trifluoromethanesulfonic acid | — | Superacid catalyst |
| CAS No | 1493-13-6 | — | Synthetic grade |
| Appearance | Colorless clear liquid | — | Corrosive liquid |
| Molecular Formula | CHF3O3S | — | Fluorosulfonic acid |
| Molecular Weight | 150.07 | g/mol | — |
| Purity | ≥99.0 | % | GC |
Main Uses
- Efficient strong acid catalyst for esterification, alkylation, cyclization and rearrangement reactions.
- Raw material for preparing triflate salts and silyl triflate reagents.
- Used in pharmaceutical intermediate, fine chemical and polymer synthesis.
- Applied as acid dopant and electrolyte additive in material chemistry research.
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