Sodium methanesulfinate, 95%

About Sodium methanesulfinate, 95%

Sodium methanesulfinate is an organosulfur compound carrying the CAS registry number 20277-69-4, specified at 95% purity. The compound has the formula CH3NaO2S, corresponding to a molecular weight of 102.09 g/mol. Alternative names: Methanesulfinic acid sodium salt and Sodium methanesulphinate.

In its supplied form it is white to light yellow powder or crystals. Reported physical data include a melting point of 222-226 °C (dec.). Store sealed in a dry, well-ventilated location away from incompatible materials. It carries the GHS signal word “Warning” with 2 hazard statements. Review the Safety Data Sheet before use.

Key uses span organic synthesis and API synthesis. It is used across pharmaceutical manufacturing and academic and industrial research.

Available in 1 g, 5 g, 25 g and 1 kg packs, Sodium methanesulfinate is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Organic synthesis
API synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Sodium methanesulfinate, 95%
Catalogue No.	VQ-010973
CAS Number	20277-69-4
IUPAC name	sodium methanesulfinate
Molecular formula	CH₃NaO₂S
Molecular weight	102.09 g/mol
Exact mass	101.9751
Purity / assay	95%
HSN code	29214290
InChIKey	LYPGDCWPTHTUDO-UHFFFAOYSA-M
SMILES	CS(=O)[O-].[Na+]
PubChem CID	2733271

Physical properties
Physical form	Crystalline
Appearance	White to light yellow powder or crystals
Melting point	222-226 °C (dec.)
H-bond donors / acceptors	0 / 3
TPSA	59.3 Å²
Synonyms	Methanesulfinic acid sodium salt, Sodium methanesulphinate, Methanesulfinic acid, sodium salt, Sodium methylsulfinate, Methanesulfinic acid, sodium salt (1:1), sodium methane sulfinate, Methane Sulfinic Acid Sodium Salt, SodiumMethanesulfinate, CH3NaO2S, MeSO2Na, sodium methanesulfmate

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H332Harmful if inhaled

Precautionary statements: P261, P264, P270, P271, P301 + P317, P304 + P340, P317, P330, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Sodium methanesulfinate, 95%?

The CAS Registry Number of Sodium methanesulfinate, 95% is 20277-69-4. It is also known as Methanesulfinic acid sodium salt, Sodium methanesulphinate, Methanesulfinic acid, sodium salt.

What is the molecular formula and molecular weight of Sodium methanesulfinate, 95%?

Sodium methanesulfinate, 95% has the molecular formula CH3NaO2S and a molecular weight of 102.09 g/mol. Its IUPAC name is sodium methanesulfinate.

Which grade and pack sizes of Sodium methanesulfinate, 95% can I order?

We supply Sodium methanesulfinate, 95% in (95%) grade, in 1 g, 5 g, 25 g, 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Sodium methanesulfinate, 95%?

Yes. Every lot of Sodium methanesulfinate, 95% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Sodium methanesulfinate, 95% be shipped internationally?

Yes. Sodium methanesulfinate, 95% is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.