POTASSIUM SULPHATE LR

POTASSIUM SULPHATE LR POTASSIUM SULPHATE LR
Article No. Grade Purity Cas no. Molecular Formula Molecular Weight H.S. Code Shelf Life
P0169805000 LR 98.5% 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 0.004%

Heavy metal (as Pb):

 Max 0.002%

Sodium (Na):

 Max 0.1%

Loss on drying (at 105°C) :

 Max 1.0%

Iron (Fe):

 Max 0.001%

Identity:

 Passes test

Calcium (Ca):

 Max 0.02%

Magnesium (Mg):

 Max 0.002%

Assay (acidimetric):

 98.5 - 101.0%

Appearance of solution:

 Passes test

Acidity or alkalinity:

 Passes test

pH (5% solution):

 5.5 - 8.5

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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