Sodium methanesulfinate

CAS 20277-69-4CH3SO2NaChemical Synthesis

Sodium methanesulfinate (CAS: 20277-69-4), with the molecular formula CH3SO2Na and a molecular weight of 102.09 g/mol, is a key organic sulfur compound. It serves as a versatile building block in chemical synthesis. Primarily utilised in organic chemistry research and development, it is particularly valuable for introducing sulfinyl groups into molecules. This compound is essential for various synthetic pathways within the fine chemical and pharmaceutical industries.

IUPAC: Methanesulfinic acid sodium salt

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Sodium methanesulfinate (CH3SO2Na) — chemical structure, CAS 20277-69-4; Chemistry, fine chemical supplied by Tech Serve Solutions

Building BlocksChemical SynthesisOrganic Building BlocksSulfonic/Sulfinic Acid SaltsSulfur Compounds

01 /Applications

Organic Synthesis Reagent

Sodium methanesulfinate is a useful reagent for organic synthesis, particularly in reactions involving the formation of carbon-sulfur bonds. It can act as a source of the methanesulfinyl radical or anion in various transformations.

Pharmaceutical Intermediate

The compound finds application as an intermediate in the synthesis of more complex pharmaceutical compounds. Its ability to introduce specific functional groups is valuable in drug discovery and development processes.

Research and Development

In R&D settings, sodium methanesulfinate is employed to explore novel synthetic routes and to create new chemical entities. Its well-defined reactivity makes it a reliable choice for laboratory investigations.

02 /Properties

Molecular weight	102.09
Linear formula	CH3SO2Na
Assay	85%
Melting point	222-226 °C (dec.)(lit.)

03 /Safety & handling

GHS hazard pictogram: Harmful / irritant (GHS07) — Harmful / irritant

Warning

Hazard statements

H302Harmful if swallowed

Protective equipment	dust mask type N95 (US), Eyeshields, Gloves
Water hazard class (WGK, DE)	3
Hazard codes (EU)	Xn
Risk statements (R)	22

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

04 /Identifiers & registry

CAS number

20277-69-4

MDL number

MFCD00040392

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 Sodium Methanesulfinate used for?

Sodium methanesulfinate is primarily used as a building block in organic synthesis, particularly for introducing sulfinyl groups into molecules, and serves as an intermediate in the synthesis of pharmaceuticals and other fine chemicals.

What is the CAS number and formula for Sodium Methanesulfinate?

The CAS number for Sodium Methanesulfinate is 20277-69-4, and its chemical formula is CH3SO2Na.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies Sodium Methanesulfinate with an assay of 85%. We do not represent this product as USP, BP, or EP grade; it is suitable for research and technical applications.

How should Sodium Methanesulfinate be handled safely?

Sodium Methanesulfinate is harmful if swallowed (H302). When handling, ensure adequate ventilation and use personal protective equipment including a dust mask (type N95 US recommended), eyeshields, and gloves.

Is Sodium Methanesulfinate available for export?

Yes, Tech Serve Solutions exports Sodium Methanesulfinate globally. Please contact us for specific shipping and handling requirements for your region.

How can I request a quote or sample?

To request a quote or sample of Sodium Methanesulfinate, please use the inquiry form on our website or contact our sales team directly with your requirements.