A7167
Aluminum potassium sulfate dodecahydrate
ACS reagent, 98.0-102.0%
Synonym(s):
Alum, Potassium alum, Potassium aluminum sulfate dodecahydrate
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About This Item
InChI key
GNHOJBNSNUXZQA-UHFFFAOYSA-J
InChI
1S/Al.K.2H2O4S.12H2O/c;;2*1-5(2,3)4;;;;;;;;;;;;/h;;2*(H2,1,2,3,4);12*1H2/q+3;+1;;;;;;;;;;;;;;/p-4
SMILES string
O.O.O.O.O.O.O.O.O.O.O.O.[Al+3].[K+].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O
grade
ACS reagent
assay
98.0-102.0%
impurities
≤0.005% Insoluble matter
mp
92 °C (lit.)
density
1.757 g/mL at 25 °C (lit.)
anion traces
chloride (Cl-): ≤5 ppm
cation traces
Fe: ≤0.001%, NH4+: ≤0.005%, Na: ≤0.02%, heavy metals (as Pb): ≤0.001%
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