Iron(II) sulfate heptahydrate - 31236
Code: 31236
Iron(II) sulfate heptahydrate
Puriss. p.a., ACS Reagent, Reag. ISO, Reag. Ph. Eur., 99.0-103.4% (manganometric)
Ferrous sulfate heptahydrate
ACS Reagent, Reag. ISO, Reag. Ph. Eur.
CAS Number: 7782-63-0
Linear Formula: FeSO4 · 7H2O
Molar Mass: 278.01 g/mol
EC Number: 231-753-5
MDL Number: MFCD00149719
| Property |
Value |
| Assay (manganometric) |
99.0 - 103.4 % |
| Water insoluble matter |
max. 0.01 % |
| PH (5 %, 20°C) |
3.0 - 4.0 |
| Arsenic (As) |
max. 0.0002 % |
| Calcium (Ca) |
max. 0.005 % |
| Chromium (Cr) |
max. 50 ppm |
| Copper (Cu) |
max. 10 ppm |
| Iron(III) |
max. 0.025 % |
| Potassium (K) |
max. 0.002 % |
| Magnesium (Mg) |
max. 0.002 % |
| Manganese (Mn) |
max. 0.05 % |
| Sodium (Na) |
max. 0.002 % |
| Nickel (Ni) |
max. 50 ppm |
| Lead (Pb) |
max. 0.0005 % |
| Zinc (Zn) |
max. 20 ppm |
| Substances not precipitated by NH4OH (SO4) |
max. 0.05 % |
| Chloride (Cl) |
max. 10 ppm |
| Phosphate (PO4) |
max. 0.001 % |
| Total N |
max. 0.001 % |
| Property |
Value |
| Vapor Pressure |
14.6 mmHg ( 25 °C) |
| Freezing point |
64 °C |
| Density |
1.9 g/cm3 |
