POTASSIUM SULPHATE Extra Pure

Chemical Information
Article No.	AL3782
Grade	Extra Pure
Purity	98.50%
CAS Number	7778-80-5
Molecular Formula	K2SO4
Molecular Weight	174.27
HS Code	31043000
Shelf Life	5 Years

Physical Properties
Solubility in water(% weight)	110 g/l (20 °C)
Colour	White crystalline
Boiling point(°C)	1689 °C
Melting point/ Freezing point(°C)	1067 °C
pH value	~7
Density (g/cm3)	2.662
Odour	Odorless
Physical state at 20 °C	Solid

Safety Information and Hazard Symbols
Safety Statement	22-24/25

Specifications
Assay (acidimetric)	98.5 - 101.0%
Iron (Fe)	Max 0.001%
Calcium (Ca)	Max 0.02%
Magnesium (Mg)	Max 0.002%
Heavy metals (as Pb)	Max 0.002%
Chloride (Cl)	Max 0.004%
Appearance	White crystalline powder
Sodium (Na)	Max 0.1%