SODIUM SULPHATE ANHYDROUS
SODIUM SULPHATE ANHYDROUS Extra Pure
Confirming to BP, USP
Short Name: SODIUM SULPHATE ANHYDROUS
Synonym: Thenardite
Basic Details
Article No.
LG4273
Grade
Extra Pure
Purity
99%
CAS No.
7757-82-6
HS Code
2833.1100
Shelf Life
60 Months
Packings Avialable
Physical Properties
Physical state at 20 °C
Solid
Colour
White crystalline
Odour
Odorless
pH value
5.2 - 8 at 50 g/l at 20 °C
Melting point/ Freezing point [°C]
884 °C
Boiling point [°C]
1100°C
Density [g/cm3]
2.68
Solubility in water [% weight]
Soluble in water
Chemical Specifications
Appearance
A white crystalline powder
Assay (ionsensitive electrode)
99 - 100.5%
Identity
Passes test
Appearance of solution
Passes test
Acidity or alkalinity
Passes test
pH (5% solution in water)
5.2 - 8.0
Chloride (Cl)
Max 0.002%
Heavy metal (as Pb)
Max 0.001%
Calcium (Ca)
Max 0.005%
Iron (Fe)
Max 0.001%
Magnesium (Mg)
Max 0.001%
Loss on drying (at 130°C)
Max 0.5%
Safety Information & Hazard Symbols