Sodium Metabisulfite 98% ACS Reagent

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art: N/A
Formula Na2S2O5
Molar mass 190.095 g/mol
CAS number 7681-57-4

Available Options

volumePriceQuantity 
500g Sodium metabisulfite 98% ACS Reagent$
1kg Sodium metabisulfite 98% ACS Reagent$
2.5kg Sodium metabisulfite 98% ACS Reagent$
6*2.5kg Sodium metabisulfite 98% ACS Reagent$

Description

Sodium meta-Bisulfite is toxic by inhalation. Strongly irritates skin and tissue. Noncombustible, but may decompose to emit toxic oxide fumes of sulfur and sodium when heated to high temperature. A corrosive acid when mixed with water. Used as a food preservative and as a laboratory reagent.

Formula
Na2S2O5
Molar mass
190.095 g/mol
CAS Number
7681-57-4
Density
1.480 g/cm3
Purity/Grade
=>98% (ACS Reagent)
Appearance
Powder
Water solubility
650 g/l at 20°C (68°F)
Melting point/freezing point
Melting point/range: >300°C (>572°F)
pH
4.5 at 50 g/l at 20°C (68°F)
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