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Trifluoromethanesulfonyl chloride

CAS 421-83-0 CF3SO2Cl MW 168.52 Made to order

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.

CoA by batch

Overview

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.

Specifications

Property Value
Appearance Colourless to light yellow liquid
Fluoride (F) ≤10ppm
Assay ≥99.5%
SO42 ≤50ppm

Storage & handling

Property Value
Storage Temperature 2 to 8 °C
Transport Class 8
Packing Group II
Shelf Life 24 months
Acidity Acid

Identification

Property Value
CAS Number 421-83-0
Molecular Formula CF3SO2Cl
Molecular Weight 168.52
SMILES C(F)(F)(F)S(=O)(=O)Cl
EC / UN Number 3265
REACH Code Y110
HTS Code 29049950
Tariff Code 2904990090

Safety & GHS

Danger
  • GHS pictogram — Compressed Gas Compressed Gas GHS04

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

For research and industrial use only

Not for use in food, drugs, household, or in or on humans or animals. Consult the Safety Data Sheet before handling.

Documents

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.

Pricing & pack sizes

Pack sizes & pricing

Pricing on request — packs available from research to bulk quantities.

Prices exclude VAT/sales tax and shipping. Bulk and custom pack sizes available on request.

Synonyms

No alternate names recorded for this product.

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.

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