CHROMIUM (III) POTASSIUM SULPHATE DODECAHYDRATE
CHROMIUM (III) POTASSIUM SULPHATE DODECAHYDRATE AR/ACS
Short Name: CHROMIUM (III) POTASSIUM SULPHATE DODECAHYDRATE
Synonym: Chrome alum; Potassium chromium(III) sulfate dodecahydrate
Basic Details
Article No.
LG1378
Grade
AR/ACS
Purity
99%
CAS No.
7788-99-0
HS Code
2833.2990
Shelf Life
60 Months
Packings Avialable
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
Chemical Specifications
Appearance
Violet crystalline powder
Assay (iodometric)
99 - 102%
Substance insoluble in water
Max 0.01%
Chloride (Cl)
Max 0.002%
Lead (Pb)
Max 0.005%
Copper (Cu)
Max 0.001%
Nickel (Ni)
Max 0.001%
Iron (Fe)
Max 0.01%
Aluminium (Al)
Max 0.005%
Ammonium (NH4)
Max 0.01%
Heavy metal (as Pb)
Max 0.01%
Safety Information & Hazard Symbols
Safety Statement
22-24/25