SODIUM SULPHATE AR (ANHYDROUS)

Article No.	Grade	Purity	Cas no.	Molecular Formula	Molecular Weight	H.S. Code	Shelf Life
S0192400500	AR	99%	7757-82-6	Na₂SO₄	142.04	2833.1100	60 Months

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

Appearance:	A white crystalline powder
Insoluble matter:	Max 0.01%
Chloride (Cl):	Max 0.001%
Iron (Fe):	Max 0.001%
Calcium (Ca):	Max 0.01%
Magnesium (Mg):	Max 0.005%
Phosphate (PO4):	Max 0.001%
Potassium (K):	Max 0.01%
Heavy metals (by ICP-OES):	Max 0.0005%
pH (5% solution in water; 25°C):	5.2 - 9.2
Loss on ignition (at 800°C):	Max 0.5%
Nitrogen compounds (as N):	Max 0.0005%
Assay (ionsensitive electrode):	Min 99%