12623
Fluka

Aluminum potassium sulfate dodecahydrate

SKU
12623
Puriss., meets analytical specification of BP, European Pharmacopoeia, 99.0-100.5% (calc. on dry substance)
Synonym(s)
Alum; Potassium alum; Potassium aluminum sulfate dodecahydrate
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Brand
Fluka
UNSPSC Code
WS5690000
CAS Numbers (All) Linear Formula
AlK(SO4)2 · 12H2O
MDL Number
Molar Mass
474.39 g/mol
RTECS Number
233-141-3
Synonyms
Alum; Potassium alum; Potassium aluminum sulfate dodecahydrate

Documents

Specifications

PropertyValue
Arsenic (As)max. 0.0002 %
Iron (Fe)complying
Loss on drying43.0 - 46.0 %
Appearance of the solutioncomplying
Ammonium (NH<SUB>4</SUB>)max. 0.2 %
Assay (calculated to the dried substance)99.0 - 100.5 %
Chloride (Cl)max. 0.005 %
Heavy metals (as Pb)max. 0.001 %

Properties

PropertyValue
Boiling Point/RangeNot applicable
ColorColorless
Density1.75 g/cm3 (20 °C)
FlashpointNot applicable
FormCrystalline
GradeReagent Pharmacopeia Salts
Incompatible MaterialsReactions with strong alkalies
Lower Explosion LimitNot applicable
Melting Point/Range92.5 °C
Partition CoefficientNo data available
Product LinePuriss.
Solubility in Water105 g/l (20 °C)
Storage TemperatureAmbient
Upper Explosion LimitNot applicable
Vapor PressureNo data available
ViscosityNot applicable
pH-Value3.0-3.5 (20 °C)

Safety Information

PropertyValue
Hazard ClassN/A
Package GroupN/A
UN IDN/A
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