CHROMIUM (III) POTASSIUM SULPHATE DODECAHYDRATE AR/ACS

Article No. Grade Purity CAS No. Molecular Formula Molecular Weight H.S. Code Shelf Life
SC1681 AR/ACS 99% 7788-99-0 KCr(SO4)2.12H2O 499.39 2833.2990 60 Months

Packings

500 g

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
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 and Hazard Symbols

Symbol
Signal Word
UN No.
IMCO Class No.
Packing Group
Hazardous Statement
Precaution Statement
Risk Statement
Safety Statement 22-24/25
Revision Date : 19-Apr-2013