Ammonium iron(III) sulphate dodecahydrate 99% ACS

Supplier: Thermo Scientific
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Synonyms: Alum iron, Ammonium iron sulphate dodecahydrate, Ferric ammonium sulphate dodecahydrate, Ammonium iron(III) sulphate dodecahydrate, Iron alum, Ammonium ferric sulphate dodecahydrate

423690250 423695000 423690025
ACRO423690250EA 55.4 GBP
ACRO423690250 ACRO423695000 ACRO423690025
Ammonium iron(III) sulphate dodecahydrate 99% ACS
Ammonium iron (III) sulphate dodecahydrate
Formula: NH₄Fe(SO₄)₂·12H₂O
MW: 482,2 g/mol
Boiling Pt: 230 °C (760 mmHg)
Melting Pt: 39…41 °C
Density: 1,71 g/cm³
Storage Temperature: Refrigerator
MDL Number: MFCD00150004
CAS Number: 7783-83-7
EINECS: 233-382-4
Merck Index: 12,00549

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Specification Test Results

Appearance Violet Crystals
Titration Iodometric 98.5 to 102.0 %
Chloride (Cl) ≤0.001 %
Nitrate (NO3) ≤0.01 %
Calcium (Ca) ≤0.01 %
Copper (Cu) ≤0.003 %
Magnesium (Mg) ≤0.005 %
Potassium (K) ≤0.005 %
Sodium (Na) ≤0.02 %
Zinc (Zn) ≤0.003 %
Ferrous iron (Fe 2+) (Limit about 0.001%) Passes test
Insoluble matter ≤0.01 %

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