Trifluoromethanesulfonic Acid | Triflic Acid | CAS: 1493-13-6 | TfOH Supplier

Why Choose Our Trifluoromethanesulfonic Acid | Triflic Acid ?

• High Purity & Stability

Consistent high purity 99.5%+ grades that protects your process, equipment, and final product from contamination-related failures.

• Reliable & Stable Supply

As a manufacturer, we offer better supply security and scalability compared to traders and middlemen who depend on others for stock.

• Lower Total Cost of Ownership

Direct supply = competitive price + fewer rejections + less downtime + higher yield. You save money where it matters most — not just on the gas price.

• Full Traceability & Compliance

Complete production traceability and international certifications that meet the demanding requirements of semiconductor and medical industries .

• Technical Expertise

Real manufacturer knowledge to support your specific application — not just selling gas, but helping you use it optimally.

Packaging & Delivery Options

Frequently Asked Questions (FAQs)

Q1. What is trifluoromethanesulfonic acid used for?

A：Trifluoromethanesulfonic acid (CF₃SO₃H, also called triflic acid) is a widely used superacid in organic and inorganic chemistry. Its main applications include: serving as a catalyst for polymerization, esterification, and alkylation reactions; acting as a raw material for synthesizing pharmaceutical intermediates, electronic-grade chemicals and lithium electrolyte salts; and being used as an acid catalyst in fine chemical manufacturing due to its superior stability compared to other superacids.

Q2. What are the specifications and purity grades of commercially available triflic acid?

A：Commercially supplied trifluoromethanesulfonic acid is commonly available in industrial grade and high-purity electronic grade for different applications. The mainstream standard requires a minimum purity of 99.5%, with strictly controlled impurity content: most qualified products limit sulfate (SO₄²⁻) to ≤50 ppm, fluoride ion (F⁻) to ≤10 ppm, and water content to ≤500 ppm, matching the high purity requirement for fine chemical and electronic applications. The product appearance of qualified triflic acid is colorless clear transparent liquid.

Q3. Is trifluoromethanesulfonic acid a superacid? What are its safety hazards?

A：Yes, trifluoromethanesulfonic acid is a widely used strong superacid with extremely high acidity. It is highly corrosive and hygroscopic, and can cause severe irreversible burns on skin and mucous membranes upon contact. Inhalation of its fumes can irritate and damage the respiratory tract, and ingestion can cause severe burns to the digestive system. It needs to be handled strictly following corrosive chemical operation protocols in a fume hood with full personal protective equipment.

Q4. How should trifluoromethanesulfonic acid be stored properly?

A：Trifluoromethanesulfonic acid is hygroscopic and corrosive, so it needs to be stored in a sealed, cool, dry, well-ventilated area, away from moisture, oxidizers, alkaline substances and combustible materials. The storage container must be made of corrosion-resistant material (usually PTFE or lined steel) to avoid container corrosion and leakage. It should also be stored separately from incompatible chemicals to prevent dangerous reactions.

Q5. Where can I buy high quality trifluoromethanesulfonic acid (CF3SO3H)?

A：High purity trifluoromethanesulfonic acid is supplied by professional chemical manufacturers and fine chemical distributors. When purchasing, you should choose formal suppliers that can provide qualified product test reports (with clear purity and impurity indicators) to meet the requirements of your specific application. For industrial production, we provide bulk supply of qualified triflic acid that meets standard purity and impurity requirements; for laboratory and small-scale use, you can also purchase from professional reagent suppliers.