Sodium methanethiosulfonate
硫甲磺酸钠
Also known as: Methanesulfonothioic acid sodium salt, Sodium methylthiosulfonate, Methanethiosulfonic acid S-sodium salt, Methanesulfonothioic acid S-sodium salt, Sodium methanethiosulphonate
Sodium methanethiosulfonate (CAS 1950-85-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula CH3NaO2S2 and a molecular weight of 134.15300 g/mol. It is also known as Methanesulfonothioic acid sodium salt, Sodium methylthiosulfonate and Methanethiosulfonic acid S-sodium salt. Key properties include a melting point of 272-273.5ºC, a boiling point of 233.3ºC at 760 mmHg and a flash point of 94.9ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1950-85-2
- Jingsj CID
- J-1360359-7
- Molecular Formula
- CH3NaO2S2
- Chinese Name
- 硫甲磺酸钠
- Molecular Weight
- 134.15300 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 272-273.5ºC |
|---|---|
| Boiling Point | 233.3ºC at 760 mmHg |
| Flash Point | 94.9ºC |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of Sodium methanethiosulfonate?
The CAS number of Sodium methanethiosulfonate is 1950-85-2.
What are the molecular formula and molecular weight of Sodium methanethiosulfonate?
Sodium methanethiosulfonate has molecular formula CH3NaO2S2 and molecular weight 134.15300 g/mol.
Is Sodium methanethiosulfonate hazardous?
Sodium methanethiosulfonate has GHS signal word Warning.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Sodium methanethiosulfonate (CAS 1950-85-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1360359-7 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.