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POTASSIUM SULPHATE AR/ACS

COAs

Packings

500 g (00500)

25 Kg (0025K)

50 Kg (0050K)

1PW1200500 1PDL00030K 1PDL00040K
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Article No. 05452 Grade AR/ACS
Purity 99% CAS No. 7778-80-5
Molecular Formula K2SO4 Molecular Weight 174.27
H.S. Code 3104.3000 Shelf Life 60 Months

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) 99.0-101.0%
Insoluble matter (6.67% in water) Max 0.01% pH (5% solution in water) 5.5 - 8.5
Chloride (Cl) Max 0.001% Total nitrogen (N) Max 0.0005%
Heavy metal (as Pb) Max 0.0005% Iron (Fe) Max 0.0005%
Calcium (Ca) Max 0.01% Magnesium (Mg) Max 0.002%
Sodium (Na) Max 0.02%

Safety Information and Hazard Symbols

Safety Statement: 22-24/25
Revision Date: 14-Apr-2022

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