Molekula
Trifluoromethanesulfonyl chloride
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
Trifluoromethanesulfonyl chloride is a reactive fluorinated sulfonyl chloride used in organic synthesis, particularly for sulfonation and as a reagent in the preparation of sulfonate esters and catalysts. It is a colorless to pale yellow liquid with a pungent odor. CAS: 421-83-0, molecular formula: CF3SO2Cl, molecular weight: 168.52 g/mol. Store at 2 to 8 °C. Signal word: Danger. Molekula supplies Trifluoromethanesulfonyl chloride 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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Specifications
| Property | Value |
|---|---|
| Appearance | Colourless to light yellow liquid |
| Assay | ≥99.5% |
| Sulphates (SO4)(2-) | ≤50ppm |
| Fluoride (F-) | ≤10ppm |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Transport Class | 8 |
| Packing Group | II |
| Acidity | Acid |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Vapour Pressure | 535.6 mmHg |
Source: PubChem CID 79000 (Haz-Map)
Identification
| Property | Value |
|---|---|
| SKU | 33183987 |
| CAS Number | 421-83-0 |
| IUPAC Name | trifluoromethanesulfonyl chloride |
| EC Number | 207-009-0 |
| Molecular Formula | CF3SO2Cl |
| Molecular Weight | 168.52 |
| Exact Mass | 167.926 |
| SMILES | C(F)(F)(F)S(=O)(=O)Cl |
| InChIKey | GRGCWBWNLSTIEN-UHFFFAOYSA-N |
| InChI | InChI=1S/CClF3O2S/c2-8(6,7)1(3,4)5 |
| PubChem CID | 79000 |
| UN Number | UN3265 |
| REACH Code | Y110 |
| HTS Code | 29049950 |
| Tariff Code | 2904990090 |
Safety & GHS
-
Corrosive
GHS05
Hazard statements
- EUH014 Reacts violently with water
- H314 (sub cat. 1B) Causes severe skin burns and eye damage
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- 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
- P310 Immediately call a POISON CENTER or doctor/physician
Documents
Safety Data Sheets (SDS)
Available in English, English (US), 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
- CClF3O2S
- CF3SO2Cl
- chloro(trifluoromethyl)sulfone
- Methanesulfonyl chloride, trifluoro-
- triflic chloride
- Trifluormethanesulfonylchloride
- Trifluoromethanesulphonyl chloride
- TRIFLUOROMETHYLSULFONYL CHLORIDE
- trifluoromethylsulphonyl chloride
- Triflyl chloride
Frequently asked questions
What is trifluoromethanesulfonyl chloride used for?
It is primarily used as a sulfonating agent in organic synthesis, particularly for introducing trifluoromethylsulfonyl groups into molecules.
What is the chemical formula and molecular weight?
The formula is CF3SO2Cl with a molecular weight of 168.52 g/mol.
How should trifluoromethanesulfonyl chloride be stored?
It should be stored at 2 to 8 °C in a cool, dry place, away from moisture and incompatible materials.
What grade is available?
Molekula supplies trifluoromethanesulfonyl chloride in reagent grade.
Can Molekula supply it in bulk?
Yes, Molekula can supply trifluoromethanesulfonyl chloride in bulk quantities upon request.
What documentation comes with the order?
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.