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237086 Sigma-Aldrich

Aluminum potassium sulfate dodecahydrate

ACS reagent, ≥98%

Synonym: Alum, Potassium alum, Potassium aluminum sulfate dodecahydrate

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Properties

Related Categories Aluminum Catalysts, Aluminum Salts, Catalysis and Inorganic Chemistry, Cell Culture, Chemical Synthesis,
Quality Level   200
grade   ACS reagent
assay   ≥98%
  98.0-102.0% (ACS specification)
form   powder or crystals
impurities   ≤0.005% insolubles
pH   3.3 (94.88 g/L)
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%
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
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
InChI key   GNHOJBNSNUXZQA-UHFFFAOYSA-J

Description

Packaging

100, 500 g in poly bottle

2.5 kg in poly bottle

Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
WGK 1
RTECS 
WS5690000

Documents

Certificate of Analysis (COA)

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Certificate of Origin (COO)

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Protocols & Articles

Articles

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Peer-Reviewed Papers
15

References

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