CHROMIUM POTASSIUM SULPHATE AR/ACS

Article No. Grade Purity Cas no. Molecular Formula Molecular Weight H.S. Code Shelf Life
C0069805000 AR/ACS 99% 7788-99-0 KCr(SO4)2.12H2O 499.39 2833.2990
60 Months

Physical Properties

Physical state at 20 °C

Solid

Colour

Violet crystalline

Odour

Odorless

Melting Point/ Freezing point [°C]

89 °C

Density [g/cm3]

1.826

Solubility in water [% weight]

Soluble in water

Specifications

Appearance:

 Violet crystalline powder

Chloride (Cl):

 Max 0.002%

Heavy metal (as Pb):

 Max 0.01%

Lead (Pb):

 Max 0.005%

Iron (Fe):

 Max 0.01%

Copper (Cu):

 Max 0.001%

Aluminium (Al):

 Max 0.005%

Nickel (Ni):

 Max 0.001%

Ammonium (NH4):

 Max 0.01%

Assay (iodometric):

 99 - 102%

Substance insoluble 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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