237086
Fluka

Aluminum potassium sulfate dodecahydrate

SKU
237086
ACS Reagent, ≥98%
Synonym(s)
Alum; Potassium alum; Potassium aluminum sulfate dodecahydrate
General Information:
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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
Assay98.0-102.0%
WaterinsolublematterMax.0.005%
Iron(Fe)Max.10ppm
Sodium(Na)Max.200ppm
Heavymetals(asPb)Max.0.001%
Chloride(Cl)Max.5ppm
Ammonium(NH4)Max.50ppm

Properties

PropertyValue
Autoignition TemperatureNot auto-flammable
Boiling Point/RangeDecomposes on heating
ColorColorless
Density1.75 g/cm3 (20 °C)
FlashpointNot applicable
FormCrystalline
GradeACS Grade Salts
Incompatible MaterialsReactions with strong alkalies
Lower Explosion LimitNot applicable
Melting Point/Range92.5 °C
Partition CoefficientNo data available
Purity Percentage98
Purity Details>=98%
Solubility in Water105 g/l (20 °C)
Upper Explosion LimitNot applicable
Vapor PressureNo data available
ViscosityNot applicable
pH-Value3.0-3.5 (20 °C)
Storage TemperatureAmbient

Safety Information

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