ALUMINIUM POTASSIUM SULPHATE DODECAHYDRATE AR/ACS

Conforms to BP, Ph Eur, USP
Alum, Potassium alum, Potassium aluminum sulfate dodecahydrate

height=180px
Article No.
00970
Grade
AR/ACS
Purity
99%
CAS No.
7784-24-9
Molecular Formula
AlK(SO4)2.12H2O
Molecular Weight
474.38
H.S. Code
2833.3030
Shelf Life
60 Months
MSDS
 

 

Physical Properties

Physical state at 20 °C
Solid
Colour
White crystalline
Odour
Odorless
pH value
3.3
Melting point/ Freezing point [°C]
92 °C
Boiling point [°C]
200°C
Density [g/cm3]
1.757
Solubility in water [% weight]
14% in water

Packings

  • 1PW1200500

    500 g (00500)

  • 1PW1202500

    2500 g (02500)

  • 1PDL00030K

    25 Kg (0025K)

  • 50 Kg (0050K)

 

Specifications

Appearance White crystalline powder
Assay (complexometric) 99.0-100.5%
Identification To comply USP, BP test
Appearance of solution Passes test
Insoluble matter Max 0.005%
pH (10% solution in water) 3.0 -.3.5
Chloride (Cl) Max 0.0005%
Ammonium (NH4) Max 0.005%
Arsenic (As) Max 0.0002%
Copper (Cu) Max 0.0005%
Iron (Fe) Max 0.0005%
Heavy metal (as Pb) Max 0.001%
Sodium (Na) Max 0.02%
Loss on drying (at 400°C) 43 - 46%

Safety Information and Hazard Symbols

Safety Statement: 22-24/25
Revision Date : 30-Mar-2021
Download LobaChemie AppDownload LobaChemie App