Ammonium iron(III) sulfate
Compounds
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_sulfate&h=667&w=500&tbnid=k5YzknmJB83fQM&q=Ammonium+iron(III)+sulfate&tbnh=259&tbnw=194&usg=AI4_-kTUjpzin8ogSSNhE0v5eJ7UTYxb2Q&vet=1&docid=iM4twREl4hJXOM&itg=1&sa=X&ved=2ahUKEwiozsDkyPuFAxU8_skDHegXB7sQ9QF6BAgAEAQ)
_sulfate&h=152&w=220&tbnid=NPp881erBQ8brM&q=Ammonium+iron(III)+sulfate&tbnh=74&tbnw=107&usg=AI4_-kQhXfgxPdbN_5AGnxLVl5CYStm9Lg&vet=1&docid=iM4twREl4hJXOM&sa=X&ved=2ahUKEwiozsDkyPuFAxU8_skDHegXB7sQ9QF6BAgAEAg)
+sulfate&tbnh=127&tbnw=71&usg=AI4_-kQLYp4JXGf-bJAAEvjabIsrW065cQ&vet=1&docid=UzFgsobN3SNpbM&sa=X&ved=2ahUKEwiozsDkyPuFAxU8_skDHegXB7sQ9QF6BAgAEAo)
Ammonium iron(III) sulfate, NH₄Fe(SO₄)₂·12 H₂O, or NH₄[Fe(H₂O)₆](SO₄)₂·6 H₂O, also known as ferric ammonium sulfate or iron alum, is a double salt in the class of alums, which consists of compounds with the general formula AB(SO₄)₂ · 12 H₂O. It... Wikipedia
Formula: NH₄Fe(SO₄)₂
Molar mass: 266.01 g/mol
Density: 1.71 g/cm³
Solubility in water: 1240 g/L
Melting point: 39 to 41 °C (102 to 106 °F; 312 to 314 K)
3D model (JSmol): anhydride: Interactive image
Appearance: Pale violet octahedral crystals