SODIUM SULPHITE AR (ANHYDROUS)

SODIUM SULPHITE AR (ANHYDROUS)
Article No. Grade Purity Cas no. Molecular Formula Molecular Weight H.S. Code Shelf Life
S0192800500 AR 98% 7757-83-7 Na2SO3 126.04 2832.1090
60 Months

Physical Properties

Physical state at 20 °C

Solid

Colour

White crystalline

Odour

Odorless

pH value

9.0 - 10.5 at 126 g/l at 25 °C

Melting Point/ Freezing point [°C]

500°C

Density [g/cm3]

2.63

Solubility in water [% weight]

126 g/l at 20 °C - completely soluble

Specifications

Appearance:

 White crystalline powder

Chloride (Cl):

 Max 0.02%

Heavy metal (as Pb):

 Max 0.001%

Iron (Fe):

 Max 0.0005%

Insoluble matter in water:

 Max 0.005%

Acidity:

 Passes test

Alkalinity:

 Max 0.03 meq/g

Assay (iodometric):

 Min 98%
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Globally Harmonized System of classification and Labelling of Chemicals (GHS)

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