Tin(II) trifluoromethanesulfonate

CAS 62086-04-8(CF3SO3)2SnCatalysis & Inorganic

Tin(II) trifluoromethanesulfonate (CAS 62086-04-8) is a Lewis acid with the linear formula (CF3SO3)2Sn. Exhibiting a molecular weight of 416.85 g/mol, this compound is primarily utilised in organic synthesis as a mild and effective catalyst. Its applications span stereoselective aldol and Michael reactions, various rearrangement reactions like Wittig and Ireland-Claisen, and Friedel-Crafts reactions, demonstrating its versatility in complex chemical transformations.

IUPAC: Sn(OTf)2,Stannous trifluoromethanesulfonate,Tin(II) triflate
Synonyms: Stannous trifluoromethanesulfonateTin(II) triflate

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Tin(II) trifluoromethanesulfonate ((CF3SO3)2Sn) — chemical structure, CAS 62086-04-8; Chemistry, fine chemical supplied by Tech Serve Solutions

Chemical SynthesisTin

01 /Applications

Stereoselective Reactions

Tin(II) trifluoromethanesulfonate serves as a mild Lewis acid catalyst for stereoselective aldol and Michael reactions, enabling precise control over the stereochemical outcome of these important carbon-carbon bond-forming processes.

Rearrangement Reactions

This tin compound effectively promotes [2,3]-Wittig and Ireland-Claisen rearrangements, facilitating the transformation of specific functional groups and molecular skeletons in organic synthesis.

Cycloaddition and Ring Opening

It is employed in asymmetric [3 + 2] cycloaddition reactions and catalyses the ring opening of various cyclic structures, offering pathways to diverse molecular architectures.

Friedel-Crafts Alkylation and Acylation

Tin(II) trifluoromethanesulfonate acts as a Lewis acid catalyst in Friedel-Crafts reactions, enabling the functionalisation of aromatic rings.

02 /Properties

Molecular weight	416.85
Linear formula	(CF3SO3)2Sn
Assay	97%
Application	Mild Lewis acid used for stereoselective aldol and Michael reactions; [2,3]-Wittig and Ireland-Claisen rearrangements; Horner-Wadsworth-Emmons reactions; asymmetric [3 + 2] cycloaddition; ring opening reactions; and Friedel-Crafts Reactions
Melting point	≥300 °C(lit.)

03 /Safety & handling

GHS hazard pictogram: Corrosive (GHS05) — Corrosive

Danger

Hazard statements

H314Causes severe skin burns and eye damage

Precautionary statements

P280Wear protective gloves, clothing and eye/face protection
P305IF IN EYES
P310Immediately call a POISON CENTER or doctor

Protective equipment	Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges
Transport (UN / ADR)	UN 3261 8 / PGII
Water hazard class (WGK, DE)	3
Hazard codes (EU)	C
Risk statements (R)	34
Safety statements (S)	26-36/37/39-45

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry

CAS number

62086-04-8

MDL number

MFCD00191251

PubChem substance

24890319

05 /Quality & supply

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.

06 /Frequently asked questions

What is Tin(II) trifluoromethanesulfonate used for?

Tin(II) trifluoromethanesulfonate is used as a mild Lewis acid catalyst in various organic synthesis applications, including stereoselective aldol and Michael reactions, Wittig and Ireland-Claisen rearrangements, asymmetric [3 + 2] cycloadditions, ring opening reactions, and Friedel-Crafts reactions.

What is the CAS number and formula for Tin(II) trifluoromethanesulfonate?

The CAS number is 62086-04-8 and the linear formula is (CF3SO3)2Sn.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies Tin(II) trifluoromethanesulfonate with an assay of 97%. This product is supplied for laboratory and industrial research purposes and is not represented as USP, EP, BP, or other pharmacopoeia grades.

How should Tin(II) trifluoromethanesulfonate be handled safely?

Tin(II) trifluoromethanesulfonate is classified as Danger (GHS05) and causes severe skin burns and eye damage (H314). Appropriate personal protective equipment, including eyeshields, faceshields, gloves, and respiratory protection (e.g., N100 respirator), must be used. Handle in a well-ventilated area and follow all recommended safety precautions.

How is Tin(II) trifluoromethanesulfonate shipped and exported?

Tin(II) trifluoromethanesulfonate is shipped and exported according to relevant regulations, identified under UN 3261, Class 8, Packing Group II.

How can I request a quote or sample?

To request a quote or a sample of Tin(II) trifluoromethanesulfonate, please contact the Tech Serve Solutions sales team through our website or by phone.