Molekula
Trifluoromethanesulfonic acid
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Trifluoromethanesulfonic acid is a strong organic superacid used in catalysis, organic synthesis, and as a reagent in pharmaceutical and fine chemical manufacturing. It is a colorless to pale yellow liquid with a molecular formula of CF3SO3H, a molecular weight of 150.08 g/mol, and a CAS number of 1493-13-6. It is stable at ambient temperatures and should be handled with care due to its corrosive nature. Molekula supplies trifluoromethanesulfonic acid from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
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Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | Colourless transparent liquid |
| Water | ≤0.5% |
| Assay | ≥99.0% |
| Free Chlorine | ≤0.05% |
| Sulphates (SO4)(2-) | ≤0.05% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 167 °C |
| Transport Class | 8 |
| Packing Group | II |
| Acidity | Acid |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Melting Point | -40 °C |
| Boiling Point | 162 °C at 760 mmHg |
Source: PubChem CID 62406 (PAC Chemical Database)
Identification
| Property | Value |
|---|---|
| SKU | 90030708 |
| CAS Number | 1493-13-6 |
| IUPAC Name | trifluoromethanesulfonic acid |
| EC Number | 216-087-5 |
| Molecular Formula | CF3SO3H |
| Molecular Weight | 150.08 |
| Exact Mass | 149.9598 |
| SMILES | C(F)(F)(F)S(=O)(=O)O |
| InChIKey | ITMCEJHCFYSIIV-UHFFFAOYSA-N |
| InChI | InChI=1S/CHF3O3S/c2-1(3,4)8(5,6)7/h(H,5,6,7) |
| PubChem CID | 62406 |
| UN Number | UN3265 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29049950 |
| Tariff Code | 2904990090 |
Safety & GHS
-
Corrosive
GHS05
-
Health Hazard
GHS07
Hazard statements
- H290 May be corrosive to metals
- H302 Harmful if swallowed
- H314 (sub cat. 1B) Causes severe skin burns and eye damage
- H335 May cause respiratory irritation
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
- P303+361 IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- 1,1,1-trifluoromethanesulfonic acid
- AgOTf cpd
- Cu(OTf)2
- HOTf
- Perfluoromethanesulfonic acid
- tfmsa
- TfOH
- Triflic acid
- Trifluormethansulfonsaeure
- Trifluoromethanesulphonic acid
Frequently asked questions
What is trifluoromethanesulfonic acid used for?
It is commonly used as a strong acid catalyst in organic synthesis, particularly in reactions involving sulfonation and esterification.
What is the chemical formula and molecular weight of trifluoromethanesulfonic acid?
The formula is CF3SO3H and the molecular weight is 150.08 g/mol.
How should trifluoromethanesulfonic acid be stored?
It should be stored at ambient temperature, away from moisture and incompatible materials.
What grade is available for trifluoromethanesulfonic acid?
It is available in high-purity grade suitable for laboratory and industrial applications.
Can Molekula supply trifluoromethanesulfonic acid in bulk?
Yes, Molekula can supply trifluoromethanesulfonic acid in bulk quantities; please contact our sales team for details.
What documentation comes with an order of trifluoromethanesulfonic acid?
Each order includes a Certificate of Analysis and Safety Data Sheet (SDS) with the shipment.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.