POTASSIUM SULPHATE AR

POTASSIUM SULPHATE AR POTASSIUM SULPHATE AR
Article No. Grade Purity Cas no. Molecular Formula Molecular Weight H.S. Code Shelf Life
P0169900500 AR 99% 7778-80-5 K2SO4 174.27 3104.3000
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

Viscosity at 40°C [mm2/s]

110 g/l (20°C)

Solubility in water [% weight]

110 g/l (20°C)

Specifications

Appearance:

 White crystalline powder

Chloride (Cl):

 Max 0.001%

Heavy metal (as Pb):

 Max 0.0005%

Sodium (Na):

 Max 0.02%

Iron (Fe):

 Max 0.0005%

Calcium (Ca):

 Max 0.01%

Magnesium (Mg):

 Max 0.002%

Assay (acidimetric):

 99.0-101.0%

pH (5% solution in water):

 5.5 - 8.5

Total nitrogen (N):

 Max 0.0005%

Insoluble matter (6.67% in water):

 Max 0.01%

Safety Information and Hazard Symbols

Safety Statement: 22-24/25
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Globally Harmonized System of classification and Labelling of Chemicals (GHS)

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