1.03776

Ammonium iron(III) sulfate dodecahydrate

for analysis EMSURE^® ACS,ISO,Reag. Ph Eur

• Synonym(s): Ammonium iron(III) sulfate dodecahydrate, Alum iron, Ferric ammonium sulfate, Iron alum, Iron(III) ammonium sulfate
• Linear Formula: (NH₄)Fe(SO₄)₂ · 12H₂O
• CAS Number: 7783-83-7
• Molecular Weight: 482.19
• MDL number: MFCD00150004
• UNSPSC Code: 12352302
• EC Index Number: 233-382-4
• NACRES: NA.21

Properties

• grade: ACS reagent
• Quality Level: 300
• agency: reag. ISO; reag. Ph. Eur.
• product line: EMSURE^®
• assay: 99.0-102.0% (iodometric)
• form: solid
• impurities: ≤0.005% Insoluble matter
• pH: 1.8 (20 °C, 100 g/L in H₂O)
• mp: 39-41 °C
• bulk density: 750 kg/m³
• anion traces: chloride (Cl^-): ≤0.0005%; nitrate (NO₃^-): ≤0.01%
• cation traces: Ca: ≤0.01%; Cu: ≤0.001%; Fe²⁺: ≤0.001%; K: ≤0.005%; Mg: ≤0.001%; Mn: ≤0.005%; Na: ≤0.01%; Pb: ≤0.0005%; Zn: ≤0.001%
• storage temp.: 15-25°C
• InChI: 1S/Fe.H3N.2H2O4S.12H2O/c;;2*1-5(2,3)4;;;;;;;;;;;;/h;1H3;2*(H2,1,2,3,4);12*1H2/q+3;;;;;;;;;;;;;;;/p-3
• InChI key: LCPUDZUWZDSKMX-UHFFFAOYSA-K

Description

Linkage

Replaces: FX0205; FX0205-1; FX0205-20; FX0205-3

Analysis Note

Assay (iodometric): 99.0 - 102.0 %
Insoluble matter: ≤ 0.005 %
Chloride (Cl): ≤ 0.0005 %
Nitrate (NO₃): ≤ 0.01 %
Cu (Copper): ≤ 0.001 %
Fe II (Iron II): ≤ 0.001 %
Ca (Calcium): ≤ 0.01 %
K (Potassium): ≤ 0.005 %
Mg (Magnesium): ≤ 0.001 %
Mn (Manganese): ≤ 0.005 %
Na (Sodium): ≤ 0.01 %
Pb (Lead): ≤ 0.0005 %
Zn (Zinc): ≤ 0.001 %
Corresponds to ACS, ISO, Reag. Ph. Eur.

Legal Information

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany

Safety Information

• pictograms: GHS05
• signalword: Danger
• hcodes: H318
• pcodes: P280 - P305 + P351 + P338
• Hazard Classifications: Eye Dam. 1
• Storage Class: 13 - Non Combustible Solids
• wgk_germany: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable