sodium methanethiosulphonate
- CAS NO.：1950-85-2
- Empirical Formula: CH3NaO2S2
- Molecular Weight: 134.15309
- MDL number: MFCD03425630
- EINECS: 217-770-0
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 05:18:56
What is sodium methanethiosulphonate ?
Chemical properties
White Solid
The Uses of sodium methanethiosulphonate
Sodium Methanethiosulfonate (cas# 1950-85-2) is a compound useful in organic synthesis.
What are the applications of Application
Sodium Methanethiosulfonate is a useful reagent for synthesis
Purification Methods
Recrystallise the salt from H2O (plates as monohydrate) or MeOH. The potassium salt crystallises from H2O, EtOH or MeOH (thick plates) with m 201-202o [Foss Acta Chem Scand 10 868 1956]. The S-benzylisothiouronium salt has m 141-142o (from EtOH) [Kurzer & Powell J Chem Soc 3733 1952]. [Beilstein 4 IV 31.]
Properties of sodium methanethiosulphonate
| Melting point: | 265 °C (dec.) |
| storage temp. | Inert atmosphere,Room Temperature |
| solubility | DMSO (Slightly), Methanol (Slightly), Water (Slightly) |
| form | Solid |
| color | White to Off-White |
| Stability: | Moisture Sensitive: Desiccate |
| EPA Substance Registry System | Methanesulfonothioic acid, sodium salt (1950-85-2) |
Safety information for sodium methanethiosulphonate
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for sodium methanethiosulphonate
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