Sodium Hydroxymethanesulfinate
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CAT No. CS-T-61351
Category Sulfur and Selenium Compounds
CAS 149-44-0
Mol. Weight 118.1 g/mol
Mol. Formula CH3NaO3S
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Product Description
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Synonyms 1-Hydroxymethanesulfinic Acid Sodium Salt (1:1); Hydroxymethanesulfinic Acid Monosodium Salt; Sodium Formaldehydesulfoxylate; Aldanil; Bleachit D; Bruggolit C; Bruggolit E 01; Bruggolit SFS; C.I. Reducing Agent 2; Cosmolit; Formaldehyde Sodium Sulfoxylate; Formaldehyde-sodium Hydrogen Sulfite; Formaldehydesulfoxylic Acid Sodium Salt; Formapon; Formopan; Hydrolit; Hydroxymethanesulfinic Acid Sodium Salt; Langqielie C; Leptacid; Leptacit; NSC 4847; NSC 78331; Redol C; Rodite; Rongalit; Rongalit C; Rongalite; Rongalite C; Sodium (hydroxymethyl)sulfinate; Sodium Hydroxymethanesulfinate; Sodium Methanalsulfoxylate; Sodium Sulfoxylate Formaldehyde; Superlite C
Storage Conditions Hygroscopic, For long term store at -20°C, under inert atmosphere
Purity (%) >98%
Melting Point (℃)120-125 
Solubility Methanol, Water
Appearance White Solid
Application Notes Sodium hydroxymethanesulfinate is an organic reductant that is stable in alkaline enviroments but readily decomposes in acidic medium to produce a number of products, one of them being sulfur dioxide. Sodium hydroxymethanesulfinate is also used in conjunction with substituted anilines (e.g. p-Anisidine ) to synthesize anilinomethanesulfonates.
References Anselmi, E., et al.: J. Fluorine Chem., 105, 41 (2000); Makarov, S., et al.: Arch. Biochem. Biophys., 367, 289 (1999); Neumann, M. & De Groote, R.: J. Pharm. Sci., 67, 1283 (1978)
The balance used are calibrated with weights Traceable to National Standards NIST for accuracy

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NIST Calibrated