Sodium methanesulfonate
Sodium methanesulfonate (CAS: 2386-57-4), with the molecular formula CH3SO3Na and a molecular weight of 118.09 g/mol, is a sodium salt of methanesulfonic acid. This compound serves as a valuable reagent in chemical synthesis. Its properties make it useful in various laboratory and industrial applications where a source of the methanesulfonate anion is required. Tech Serve Solutions supplies Sodium methanesulfonate with a purity of 98%.
- IUPAC
- Methanesulfonic acid sodium salt

Chemical Synthesis Reagent
Sodium methanesulfonate acts as a versatile reagent in organic and inorganic synthesis. It can be employed as a source of the methanesulfonate anion in various reactions, facilitating the preparation of more complex molecules.
Laboratory Research
This compound is utilised in research laboratories for experimental purposes. Its defined purity makes it suitable for studies requiring precise chemical inputs and consistent reaction outcomes.
Industrial Applications
Sodium methanesulfonate finds application in specific industrial processes where its chemical properties are advantageous. These may include applications as an electrolyte component or in specific salt-forming reactions.
| Molecular weight | 118.09 |
|---|---|
| Linear formula | CH3SO3Na |
| Assay | 98% |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
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 Sodium methanesulfonate used for?
+
Sodium methanesulfonate is primarily used as a reagent in chemical synthesis and in laboratory research.
What is the CAS number and formula for Sodium methanesulfonate?
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The CAS number is 2386-57-4 and the molecular formula is CH3SO3Na.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Sodium methanesulfonate with an assay of 98%. We do not represent this product as USP, BP, or EP grade.
How should Sodium methanesulfonate be handled?
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Handle Sodium methanesulfonate with appropriate personal protective equipment, including a dust mask type N95, eyeshields, and gloves. Ensure good ventilation and avoid breathing dust. It is classified as a warning substance, causing skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335).
How is Sodium methanesulfonate packed and shipped?
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Sodium methanesulfonate is carefully packed to maintain its integrity during transit and is available for export by Tech Serve Solutions, a trusted global supplier since 1998.
How can I request a sample or quote for Sodium methanesulfonate?
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To request a sample or a quote, please contact our sales team through the provided channels on the Tech Serve Solutions website.
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