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Ammonium ferric sulfate dodecahydrate

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Ammonium ferric sulfate dodecahydrate Basic information
Ammonium ferric sulfate dodecahydrate Chemical Properties
  • Melting point:39-41 °C(lit.)
  • Boiling point:230 °C
  • Density 1.71
  • storage temp. Store below +15°C.
  • solubility H2O: 1 m at 20 °C, complete, yellow-brown to red brown
  • form Solid
  • Specific Gravity1.71
  • color slightly violet
  • PH1.8 (100g/l, H2O, 20℃)
  • OdorOdorless
  • PH Range1
  • Water Solubility 1240 g/L (25 ºC)
  • Merck 14,521
  • CAS DataBase Reference7783-83-7(CAS DataBase Reference)
Safety Information
  • Hazard Codes Xi
  • Risk Statements 36/38-36/37/38
  • Safety Statements 26-36/37-24/25-36
  • WGK Germany 3
  • RTECS WS5900000
  • 3
  • TSCA Yes
  • PackingGroup III
  • HS Code 28333000
MSDS
Ammonium ferric sulfate dodecahydrate Usage And Synthesis
  • Chemical Propertiesslightly grey-purple adhering crystals or powder
  • UsesMedicine, analytical chemistry, textile dyeing (mordant).
  • DefinitionFerric alum: One of the alums,K2SO4.Fe2(SO4)3.24H2O, in which thealuminium ion Al3+ is replaced bythe iron(III) (ferric) ion Fe3+.
  • Purification MethodsCrystallise it from aqueous ethanol.
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