Identification
NH4Fe(SO4)2·12H2O
M = 482,19 g/mol
CAS [7783-83-7]
EC number: 233-382-4
Taric code: 2833 30 00
Synonyms
Iron(III) ammonium sulfate, Alum iron, Ferric ammonium alum, Iron alum
Applications
analytical chemistry, laboratory reagent.
Packaging
- 500 g
- 1000 g
Physical data
- Appearance: humid crystals, light violet
- Bulk density: ~ 750 kg/m3
- Solub. in water: (25 ºC): 1240 g/l
- Melting point: 39 – 41 ºC
- pH(100 g/l H2O, 20 ºC) ~ 1,8