Iron(II) sulfate heptahydrate
SIGALD/12354 - puriss., meets analytical specification of Ph. Eur., BP, USP, FCC, 99.5-104.5% (manganometric)
Synonym: Ferrous sulfate heptahydrate
CAS Number: 7782-63-0
Empirical Formula (Hill Notation): FeO4S · 7H2O
Molecular Weight: 278.01
EC Number: 231-753-5
MDL Number: MFCD00149719
Linear Formula: FeSO4 · 7H2O
Product Type: Chemical
| anion traces | chloride (Cl-): ≤100 mg/kg |
| assay | 99.5-104.5% (manganometric) |
| cation traces | As: ≤2 mg/kg |
| Ca: ≤200 mg/kg | |
| Cr: ≤50 mg/kg | |
| Cu: ≤30 mg/kg | |
| Fe3+: ≤2000 mg/kg | |
| Hg: ≤1 mg/kg | |
| K: ≤20 mg/kg | |
| Mg: ≤200 mg/kg | |
| Mn: ≤1000 mg/kg | |
| Na: ≤100 mg/kg | |
| Ni: ≤50 mg/kg | |
| Pb: ≤2 mg/kg | |
| Zn: ≤20 mg/kg | |
| density | 1.898 g/mL at 25 °C (lit.) |
| form | crystals |
| grade | puriss. |
| greener alternative category | Enabling  |
| greener alternative product characteristics | Design for Energy Efficiency Learn more about the Principles of Green Chemistry . |
| impurities | organic volatile impurities, complies (GC) |
| residual solvents, complies | |
| ≤0.005% heavy metals (as Pb) | |
| InChI | 1S/Fe.H2O4S.7H2O/c;1-5(2, |
| InChI key | SURQXAFEQWPFPV-UHFFFAOYSA |
| pH | 3-4 (20 °C, 5%) |
| quality | meets analytical specification of Ph. Eur., BP, USP, FCC |
| Quality Level | 200 |
| reaction suitability | reagent type: catalyst core: iron |
| shelf life | Shelf life is limited |
| SMILES string | O.O.O.O.O.O.O.[Fe++].[O-] |
| suitability | complies for appearance of solution |
| sustainability | Greener Alternative Product |
| vapor pressure | 14.6 mmHg ( 25 °C) |
| Application: | Iron(II) sulfate heptahydrate (FeSO4.7H2O) may be used in the synthesis of maghemite nanoparticles. |
| Disclaimer: | tends to oxidation by air |
| General description: | Iron(II) sulfate heptahydrate is a heptahydrate of iron(II) sulfate. It undergoes thermal degradation to afford hydrosulfate and oxysulfate of iron(III). Isothermal and dynamic thermal analysis methods have been proposed to study its thermal decomposition in air. |
| General description: | We are committed to bringing you Greener Alternative Products, which belong to one of the four categories of greener alternatives. IRON(II) SULFATE HEPTAHYDRATE is essential for developing greener energy solutions, particularly in iron-based lithium-ion batteries. Its eco-friendly properties enhance energy storage efficiency, reduce reliance on harmful materials, and support the advancement of sustainable technologies. Click here  for more information. |
| Packaging: | bottled under inert gas |
| Symbol |  GHS07 |
| Signal word | Warning |
| Hazard statements | H302 - H315 - H319 |
| Precautionary statements | P264 - P270 - P280 - P301 + P312 - P302 + P352 - P305 + P351 + P338 |
| Hazard Codes | Xn |
| Risk Statements | 22-36/38 |
| Safety Statements | 46 |
| WGK Germany | WGK 1 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | 99.5-104.5% (manganometric) |
| Density | 1.898 g/mL at 25 °C (lit.) |
| UNSPSC | 12352302 |