Tin(II) methanesulfonate solution
Tin(II) methanesulfonate solution (CAS: 53408-94-9, (CH3SO3)2Sn, MW: 308.91) is an aqueous solution containing stannous methanesulfonate. This tin(II) salt is primarily utilised as a catalyst and reagent in organic synthesis. Its specific applications leverage tin's Lewis acidity and redox properties, making it valuable for various transformations in chemical research and development. TSS supplies this compound for laboratory and industrial applications.
- IUPAC
- Stannous methanesulfonate,Stannous methylsulfonate
- Synonyms
- Stannous methanesulfonateStannous methylsulfonate

Catalysis in Organic Synthesis
Tin(II) methanesulfonate solution serves as an effective catalyst in various organic reactions, including esterifications, transesterifications, and cyclisations. Its Lewis acidic nature promotes the formation of key intermediates and facilitates reaction pathways.
Reagent for Chemical Synthesis
This solution acts as a valuable reagent for introducing tin into organic molecules or for promoting specific functional group transformations. It is employed in the synthesis of complex organic compounds and intermediates.
Inorganic Chemistry Applications
Beyond organic synthesis, Tin(II) methanesulfonate solution finds use in inorganic chemistry, potentially in the preparation of novel tin-containing materials or coordination complexes. Its aqueous nature facilitates handling in certain inorganic procedures.
| Molecular weight | 308.91 |
|---|---|
| Linear formula | (CH3SO3)2Sn |
| Density | 1.55 g/mL at 25 °C |
| Refractive index | n20/D 1.444 |
| Concentration | 50 wt. % in H2O |
| Melting point | −27 °C |



Hazard statements
- H314Causes severe skin burns and eye damage
- H317May cause an allergic skin reaction
- H411Toxic to aquatic life with long-lasting effects
Precautionary statements
- P273Avoid release to the environment
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Transport (UN / ADR) | UN 3265 8 / PGII |
|---|---|
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | C,N |
| Risk statements (R) | 22-34-43-51/53 |
| Safety statements (S) | 26-36/37/39-45-61 |
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 Tin(II) methanesulfonate solution used for?
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Tin(II) methanesulfonate solution is used as a catalyst and reagent in organic synthesis, and also finds applications in inorganic chemistry.
What is the CAS number and formula for Tin(II) methanesulfonate solution?
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The CAS number is 53408-94-9 and the linear formula is (CH3SO3)2Sn.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Tin(II) methanesulfonate solution at a concentration of 50 wt. % in H2O. This is a technical/research grade; TSS does not represent it as USP, BP, or EP grade.
How should Tin(II) methanesulfonate solution be handled safely?
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This solution is classified as corrosive and can cause severe skin burns and eye damage (H314). It may also cause an allergic skin reaction (H317) and is toxic to aquatic life with long lasting effects (H411). Handle with appropriate personal protective equipment including gloves, eye protection, and protective clothing. Ensure adequate ventilation and avoid release to the environment.
How is Tin(II) methanesulfonate solution packed, shipped, and exported?
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Tin(II) methanesulfonate solution is packed in compliance with UN 3265, Class 8, Packing Group II regulations for shipping. TSS is experienced in exporting chemicals globally.
How can I request a sample or quote for Tin(II) methanesulfonate solution?
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Please contact our sales team via the website or direct email to request a sample or a quotation for Tin(II) methanesulfonate solution.
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