SODIUM SULPHITE ANHYDROUS
SODIUM SULPHITE ANHYDROUS AR/ACS
Short Name: SODIUM SULPHITE ANHYDROUS
Basic Details
Article No.
LG4282
Grade
AR/ACS
Purity
98%
CAS No.
7757-83-7
HS Code
2832.1090
Shelf Life
60 Months
Packings Avialable
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
Chemical Specifications
Appearance
White crystalline powder
Assay (iodometric)
Min 98%
Insoluble matter in water
Max 0.005%
Acidity
Passes test
Alkalinity
Max 0.03 meq/g
Chloride (Cl)
Max 0.02%
Heavy metal (as Pb)
Max 0.001%
Iron (Fe)
Max 0.0005%
Safety Information & Hazard Symbols