Sodium methanesulfinate
Also known as: Sodium methanesulfinate, Methanesulfinic acid sodium salt, Sodium methylsulfinate, Sodium methanesulphinate
Sodium methanesulfinate (CAS 20277-69-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula CH3NaO2S and a molecular weight of 102.088 g/mol. Key properties include a melting point of 222-226 °C (dec.)(lit.), a boiling point of 256.4ºC at 760 mmHg and a flash point of 108.9ºC. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 20277-69-4
- Jingsj CID
- J-1518033-3
- Molecular Formula
- CH3NaO2S
- Molecular Weight
- 102.088 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 222-226 °C (dec.)(lit.) |
|---|---|
| Boiling Point | 256.4ºC at 760 mmHg |
| Flash Point | 108.9ºC |
| Exact Mass | 101.975143 |
| PSA | 59.34000 |
| LogP | 0.36100 |
| Additional Property | soluble |
GHS Safety & Compliance
- H302 — Harmful if swallowed
Customs & Trade Information
| HS Code | 2930909090 |
|---|---|
| Summary | 2930909090. other organo-sulphur compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Sodium methanesulfinate?
The CAS number of Sodium methanesulfinate is 20277-69-4.
What are the molecular formula and molecular weight of Sodium methanesulfinate?
Sodium methanesulfinate has molecular formula CH3NaO2S and molecular weight 102.088 g/mol.
Is Sodium methanesulfinate hazardous?
Sodium methanesulfinate has GHS signal word Warning and hazard statements H302 — Harmful if swallowed.
What are the upstream and downstream products of Sodium methanesulfinate?
For Sodium methanesulfinate, Upstream Products: Formaldehyde, 2-(Methylsulfonyl)benzothiazole, 4-nitrosotoluene; Downstream Products: 4-Fluorophenyl methyl sulfone, 4-Methylsulfonylaniline, benzyl methyl sulfone.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Sodium methanesulfinate (CAS 20277-69-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1518033-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.