Ammonium iron(III) sulfate dodecahydrate

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