1950-85-2

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1950-85-2 Structure

Identification	Back Directory
[Name] sodium methanethiosulphonate
[CAS] 1950-85-2
[Synonyms] odium methane thiosulfonate sodium methanethiosulphonate SodiuM Methanethiosulfonate 95% Methanesulfonothioic acid, sodium salt Methanethiosulfonic acid S-sodium salt Methanesulfonothioic acid S-sodium salt Methanesulfonothioic acid sodium salt, Sodium methylthiosulfonate
[EINECS(EC#)] 217-770-0
[Molecular Formula] CH3NaO2S2
[MDL Number] MFCD03425630
[MOL File] 1950-85-2.mol
[Molecular Weight] 134.153

Chemical Properties	Back Directory
[Appearance] White Solid
[Melting point ] 272-273.5°C
[storage temp. ] Refrigerator
[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)

Hazard Information	Back Directory
[Chemical Properties] White Solid
[Uses] Sodium Methanethiosulfonate (cas# 1950-85-2) is a compound useful in organic 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.]

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