Sodium hydrosulfite

REF : 157953-5G

Marca : Sigma-Aldrich

Descrição :Sodium hydrosulfite technical grade
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Descrição detalhada : Sodium hydrosulfite (Sodium dithionite, Sodium hypodisulfite, Na2S2O4) is a white crystalline sodium salt. It decomposes in the presence of atmospheric oxygen to afford sodium hydrogen sulfate. It has been prepared by reducing sodium hydrogen sulfite in sulfurous acid solution with zinc. It is widely used for the decolorization prior to dyeing of cloths in the textile industry.
Sinónimos : Sodium dithionite; Sodium hypodisulfite
Fórmula molecula r: NaO2SSO2Na
Armazenamento : Room Temperature
Embalagem : 1X5G