Iron(II) sulfate hydrate
SIGALD/12353 - puriss., meets analytical specification of Ph. Eur., BP, exsiccated, 86.0-89.0% FeSO4 basis
CAS Number: 13463-43-9
Empirical Formula (Hill Notation): FeO4S · xH2O
Molecular Weight: 151.91 (anhydrous basis)
EC Number: 231-753-5
MDL Number: MFCD00149722
Linear Formula: FeSO4 · aq
Product Type: Chemical
anion traces | chloride (Cl-): ≤300 mg/kg |
assay | 86.0-89.0% FeSO4 basis |
cation traces | As: ≤2 mg/kg |
Ca: ≤200 mg/kg | |
Cr: ≤100 mg/kg | |
Cu: ≤20 mg/kg | |
Fe3+: ≤4000 mg/kg | |
Hg: ≤1 mg/kg | |
K: ≤100 mg/kg | |
Mg: ≤100 mg/kg | |
Mn: ≤1000 mg/kg | |
Na: ≤200 mg/kg | |
Ni: ≤100 mg/kg | |
Pb: ≤2 mg/kg | |
Zn: ≤50 mg/kg | |
form | solid |
grade | puriss. |
impurities | residual solvents, complies |
≤0.005% heavy metals (as Pb) | |
≤0.05% insoluble matter | |
InChI | 1S/Fe.H2O4S.H2O/c;1-5(2,3 |
InChI key | XBDUTCVQJHJTQZ-UHFFFAOYSA |
pH | 3.0-4.0 (20 °C, 5%) |
quality | exsiccated |
meets analytical specification of Ph. Eur., BP | |
Quality Level | 100 ![]() |
reaction suitability | core: iron |
reagent type: catalyst | |
shelf life | Shelf life is limited |
SMILES string | O.[Fe++].[O-]S([O-])(=O)= |
Caution: | tends to oxidation by air |
Packaging: | bottled under inert gas |
Symbol | ![]() |
Signal word | Warning |
Hazard statements | H302-H315-H319 |
Precautionary statements | P301 + P312 + P330-P305 + P351 + P338 |
Hazard Codes | Xn |
Risk Statements | 22 |
WGK Germany | 1 |
Purity | 86.0-89.0% FeSO4 basis |
UNSPSC | 12352300 |