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1.03792

Supelco

Ammonium iron(II) sulfate hexahydrate

for analysis EMSURE® ISO

Synonym(s):
Ammonium iron(II) sulfate hexahydrate
Empirical Formula (Hill Notation):
H8FeN2O8S2 · 6H2O
CAS Number:
Molecular Weight:
392.14
MDL number:
EC Index Number:
233-151-8

Agency/Method

reag. ISO

Quality Level

assay

99.0-101.5% (manganometric)

form

solid

potency

3250 mg/kg LD50, oral (Rat)

pH

3-5 (20 °C, 50 g/L in H2O)

mp

39-41 °C (decomposition)

solubility

269 g/L

density

1.86 g/cm3 at 20 °C

bulk density

900 kg/m3

anion traces

chloride (Cl-): ≤0.001%
phosphate (PO43-): ≤0.002%

cation traces

Ca: ≤ 0.002%
Cu: ≤ 0.002%
Fe3+: ≤ 0.02%
K: ≤ 0.01%
Mg: ≤ 0.01%
Mn: ≤ 0.05%
Na: ≤ 0.01%
Pb: ≤ 0.001%
Zn: ≤ 0.003%

storage temp.

15-25°C

InChI

1S/Fe.2H3N.2H2O4S.6H2O/c;;;2*1-5(2,3)4;;;;;;/h;2*1H3;2*(H2,1,2,3,4);6*1H2/q+3;;;;;;;;;;/p-2

InChI key

SHHFGSWBFZVUNE-UHFFFAOYSA-L

Related Categories

Analysis Note

Assay (manganometric): 99.0 - 101.5 %
pH-value (5 %; water): 3.0 - 5.0
Chloride (Cl): ≤ 0.001 %
Phosphate (PO₄): ≤ 0.002 %
Iron(III)-salts (Fe³⁺): ≤ 0.02 %
Ca (Calcium): ≤ 0.002 %
Cu (Copper): ≤ 0.002 %
K (Potassium): ≤ 0.01 %
Mg (Magnesium): ≤ 0.01 %
Mn (Manganese): ≤ 0.05 %
Na (Sodium): ≤ 0.01 %
Pb (Lead): ≤ 0.001 %
Zn (Zinc): ≤ 0.003 %
Correspons to ISO

Legal Information

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

Storage Class Code

13 - Non Combustible Solids

WGK Germany

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis

Certificate of Origin

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