Merck - 1010479025 - Aluminium potassium sulfate dodecahydrate

  • MFR SKU: 1010479025
  • ITEM #: 11647752
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ITEM #: 11647752
for analysis EMSURE® ACS, Reag. Ph Eur
This listing is for 25 kg Fibre carton

Merck - 1010479025 - Aluminium potassium sulfate dodecahydrate

  • Item #: 11647752
  • MFR SKU: 1010479025
  • Catalogue Number 101047
  • Synonyms Potassium aluminium sulfate, Alum potassium, Potassium alum
  • CAS number 7784-24-9
  • EC number 233-141-3
  • Grade ACS, Reag. Ph Eur
  • Hill Formula AlKOS * 12 HO
  • Chemical formula KAl(SO) * 12 HO
  • Molar Mass 474.39 g/mol
  • HS Code 2833 30 00
  • Quality Level MQ300
  • Density 1.75 g/cm3 (20 ° C)
  • Melting Point 92 ° C
  • pH value 3.0 - 3.5 (100 g/l, HO, 20 ° C)
  • Bulk density 900 kg/m3
  • Solubility 139 g/l
  • RTECS WS5690000
  • Storage class 10 - 13 Other liquids and solids
  • WGK WGK 1 slightly hazardous to water
  • Disposal 14
  • Inorganic salts: Container I. Neutral solutions of the these salts: Container D. Before placing in Container D, check the pH with pH-Universal indicator strips (Item No. 109535).
  • Storage Store at +2° C to +30° C.
  • Assay (complexometric) 99.0 - 100.5 %
  • Identity passes test
  • Appearance of solution passes test
  • Insoluble matter ≤ 0.005 %
  • pH-value (10%; in water) 3.0 - 3.5
  • Chloride (Cl) ≤ 0.0005 %
  • Heavy metals (as Pb) ≤ 0.001 %
  • Cd (Cadmium) ≤ 0.0005 %
  • Cu (Copper) ≤ 0.0005 %
  • Fe (Iron) ≤ 0.0005 %
  • Na (Sodium) ≤ 0.005 %
  • NH (Ammonium) ≤ 0.005 %
  • Pb (Lead) ≤ 0.0005 %
  • Corresponds to ACS, Reag.PhEur

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