Product Description

ProductPotassium Aluminum Sulphate
CAS7784-24-9
FormulaKAl(SO4)2.12H2O
SynonymPotassium Alum

Typical Product Specifications

Density1.75 g/cm3
Solubility in water120 g/l
NH30.02% max.
Fe0.01% max.
AppearanceColorless crystals or white crystalline powder
Loss on Drying43.0 - 46.0%
Bulk Density1000 kg/m3
pH3.0 - 3.5
Heavy Metals, as Pb0.02% max.
Particle Size0 - 2 mm
Assay99.0 - 100.5%
Insolubilityin alcohol
Odortransparent cryst. or wh. cryst. powd., odorless, sweetish astringent taste
Melting Point92.5 c
Molecular weight474.38
Solubility7.2 ml water
Boiling Pointloses 18 h2o 64.5 c
NotesPotassium Aluminum Sulphate, special quality DAB, Ph Eur. Packaging: 50kg net polybags.
ClassInorganic Chemicals: Nitrates, Phosphates, Oxides & more
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