Sodium Metabisulfite

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Application
Preservative and antioxidant in food industry; Water treatment; Bleaching agent for textile fibers, paper pulps; Colors stripper and dechlorination; Ore dressing agent in mining industry; Preparation of Indigo Vat Dye; Ingredient of fixative in photographic industry; Solubilizing and acidifying agent for leather industries
Description
Sodium metabisulfite or sodium pyrosulfite is an inorganic compound of chemical formula Na2S2O5. The substance is sometimes referred to as disodium metabisulfite. When dissolved in water it forms sodium bisulfite.

Product Properties

Set 1

CAS
7681-57-4
Chemical Formula
Na2O5S2
Appearance/State
White crystalline powd
Density/Bulk density
kg/m3
1.1 - 1.2
Molecular Weight
190.10 g/mol
Melting point
°C
> 300
pH
4.0 - 4.8

Packaging

Package Type
Weight/Volume per Package
Bag
25 kg

Pricing

Unit
-
Currency
-
Value
-

Documents

Product Champions

General Info

Listing Type
Product
Published
Feb 05, 2023
Last Edited
Feb 05, 2023
Categories
Chemicals
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