POTASSIUM SULPHATE Extra Pure

Article No. Grade Purity CAS No. Molecular Formula Molecular Weight H.S. Code Shelf Life
SC1766 Extra Pure 98.50% 7778-80-5 K2SO4 174.27 3104.3000 60 Months

Packings

500 g,5000 g,25 Kg,50 Kg

Physical Properties

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

Specifications

Appearance White crystalline powder
Assay (Titration after Ion exchange) 98.5 - 101.0%
pH (5% solution) 5.5 - 8.5
Chloride (Cl) Max 0.004%
Heavy metal (as Pb) Max 0.002%
Iron (Fe) Max 0.001%
Magnesium (Mg) Max 0.002%
Calcium (Ca) Max 0.02%
Loss on drying (at 105°C) Max 1.0%

Safety Information and Hazard Symbols

Symbol
Signal Word
UN No.
IMCO Class No.
Packing Group
Hazardous Statement
Precaution Statement
Risk Statement
Safety Statement 22-24/25
Revision Date : 17-Jun-2022