SODIUM SULPHATE LR (ANHYDROUS)

Article No.	Grade	Purity	Cas no.	Molecular Formula	Molecular Weight	H.S. Code	Shelf Life
S0192305000	LR	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
Chloride (Cl):	Max 0.002%
Heavy metal (as Pb):	Max 0.001%
Arsenic (As):	Max 0.0003%
Iron (Fe):	Max 0.001%
Identity:	Passes test
Calcium (Ca):	Max 0.005%
Magnesium (Mg):	Max 0.001%
Appearance of solution:	Passes test
Acidity or alkalinity:	Passes test
pH (5% solution in water):	5.2 - 8.0
Assay (ionsensitive electrode):	99 - 100.5%
Loss on drying (at 130°C):	Max 0.5%