Zinc trifluoromethanesulfinate
Zinc trifluoromethanesulfinate (CAS: 39971-65-8; C2F6O4S2Zn; MW: 331.53) is an organosulfur compound. It is a zinc salt derived from trifluoromethanesulfinic acid. This reagent finds utility as a source of the trifluoromethyl group in organic synthesis, enabling the introduction of CF3 moieties into various molecular structures. It is typically stored under refrigeration.
- IUPAC
- 1,1,1-Trifluoro-methanesulfinic acid zinc salt (2:1),Baran trifluoromethylation reagent,Bis(((trifluoromethyl)sulfinyl)oxy)zinc,TFMS

Trifluoromethylation Reagent
Zinc trifluoromethanesulfinate serves as a reagent for the trifluoromethylation of organic compounds. It facilitates the introduction of the trifluoromethyl (CF3) group, a common structural motif in pharmaceuticals and agrochemicals.
Chemical Synthesis
This compound is employed in synthetic organic chemistry, particularly in reactions where the generation of sulfinate or trifluoromethyl radicals is desired. Its structure allows for controlled release of reactive species under specific reaction conditions.
Baran Sulfinates
As a member of the Baran sulfinates class, this zinc salt participates in reactions characteristic of such compounds. These can include radical generation and subsequent functionalization of substrates.
| Molecular weight | 331.53 |
|---|---|
| Empirical formula | C2F6O4S2Zn |
| Storage temperature | 2-8°C |
| Melting point | 151-157 °C |


Hazard statements
- H315Causes skin irritation
- H318Causes serious eye damage
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xi |
| Risk statements (R) | 37/38-41 |
| Safety statements (S) | 26-39 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Zinc trifluoromethanesulfinate used for?
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Zinc trifluoromethanesulfinate is primarily used as a reagent in organic synthesis for trifluoromethylation reactions, enabling the introduction of the trifluoromethyl group into various organic molecules.
What is the CAS number and formula for Zinc trifluoromethanesulfinate?
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The CAS number is 39971-65-8 and the empirical formula is C2F6O4S2Zn.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Zinc trifluoromethanesulfinate as a technical or research grade chemical. We do not represent it as USP, BP, EP, or pharmacopoeia grade unless explicitly stated on the Certificate of Analysis.
How should Zinc trifluoromethanesulfinate be handled?
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Zinc trifluoromethanesulfinate is a Danger hazard. It causes skin irritation (H315), serious eye damage (H318), and may cause respiratory irritation (H335). Handle with appropriate personal protective equipment in a well-ventilated area, avoiding contact with skin, eyes, and clothing. Refer to the Safety Data Sheet for detailed handling instructions.
How is Zinc trifluoromethanesulfinate packed, shipped, and exported?
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Tech Serve Solutions offers Zinc trifluoromethanesulfinate in various pack sizes suitable for laboratory and industrial use. We are experienced in exporting chemicals globally, adhering to all relevant shipping regulations.
How can I request a sample or quote for Zinc trifluoromethanesulfinate?
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To request a sample or obtain a quote, please visit the Tech Serve Solutions website or contact our sales team directly, providing the product name and CAS number.
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