Aluminium Potassium Sulphate 12-hydrate

Identification                    

KAl(SO4)2·12H2O

M = 474,39 g/mol

CAS [7784-24-9]

EC number: 233-141-3

Taric code: 2833 30 00

Synonyms                     

Potassium aluminium sulfate, Alum potassium, Potassium alum

Applications                      

analytical chemistry, manufacture of dyes, manufacturing of lacquers, in explosive compositions, in pharma industry.

Packaging

  • 1000 g
  • 25 kg

Physical data                                             

  • Appearance: crystals or granular powder, colourless or white
  • Spec. Density: 1,75 g/cm3
  • Bulk density: ~ 900 kg/m3
  • Solub. in water: (20 ºC): 139 g/l
  • Melting point: 90 ºC
  • pH(50 g/l H2O, 20 ºC) ~ 3,0 – 3,5