Trifluoromethanesulfonic acid(CAS: 1493-13-6)

CAS Number
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Basic Information
Molecular Formula
CHF3O3S
Molecular Weight
150.08 g/mol
Physical Properties
Melting Point
-40 ºC
Boiling Point
162 °C(lit.)
Flash Point
None
Chemical Identifiers
SMILES
OS(=O)(=O)C(F)(F)F
InChIKey
ITMCEJHCFYSIIV-UHFFFAOYSA-N
Database References
MDL Number
MFCD00007514
Beilstein Registry Number
1812100
FAQ
Trifluoromethanesulfonic acid (CAS: 1493-13-6) is a potent fluorinated sulfuric acid with the chemical formula CF3SO2OH. It is a colorless, oily liquid known for its extreme acidity (pKa ~ -3) and strong electrophilic properties. This compound is highly reactive and widely used in chemical synthesis due to its ability to act as a powerful catalyst and fluorinating agent.
Trifluoromethanesulfonic acid (CAS: 1493-13-6) is primarily used in pharmaceuticals for synthesizing drugs and intermediates, in the chemical industry for producing fluorinated compounds, and in research as a catalyst for organic reactions. It also finds applications in polymer science and as a reagent for generating other sulfonic acids and fluorides.
Trifluoromethanesulfonic acid (CAS: 1493-13-6) is not safe for direct handling due to its corrosive nature and toxicity. It can cause severe burns, eye damage, and respiratory irritation. Safety measures include wearing protective gear, ensuring proper ventilation, and following OSHA guidelines. It is classified as a hazardous substance requiring strict handling protocols.
Trifluoromethanesulfonic acid (CAS: 1493-13-6) should be stored in a cool, dry, and well-ventilated area, away from light and incompatible materials. Keep in tightly sealed, corrosion-resistant containers (e.g., glass or HDPE). Maintain storage temperature below 25°C and ensure humidity is controlled to preserve stability and prevent degradation.
Safety Notice
Please verify product specifications and safety data before use. Contact the supplier for detailed safety information.
Always follow proper handling procedures







