Iron(II) sulfate hydrate
Iron(II) sulfate hydrate (CAS: 13463-43-9) is an inorganic compound supplied by Tech Serve Solutions. It presents as a crystalline solid and is typically used in chemical synthesis and as a catalyst or reagent in various industrial processes. The compound is characterised by its iron(II) content, with an assay typically ranging between 86.0-89.0% on an FeSO4 basis. TSS provides this chemical for research and industrial applications.

Chemical Synthesis
Iron(II) sulfate hydrate serves as a versatile reagent in organic and inorganic synthesis. It can be employed in redox reactions and as a precursor for the preparation of other iron-containing compounds.
Catalysis
This compound can act as a catalyst or catalyst precursor in various chemical transformations. Its iron centre facilitates numerous catalytic cycles in industrial chemical processes.
Laboratory Reagent
As a standard laboratory chemical, Iron(II) sulfate hydrate is utilised in analytical chemistry and experimental research. Its defined purity and reactivity make it suitable for a range of laboratory applications.
| Molecular weight | 151.91 (anhydrous basis) |
|---|---|
| Linear formula | FeSO4 · aq |
| Assay | 86.0-89.0% FeSO4 basis |
| Density | 1.9 g/mL at 25 °C(lit.) |
| pH | 3.0-4.0 (20 °C, 5%) |
| Impurities tested | residual solvents, complies≤0.005% heavy metals (as Pb)≤0.05% insoluble matter |

Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H319Causes serious eye irritation
Precautionary statements
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Transport (UN / ADR) | UN 3077 9 / PGIII |
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22 |
| Cation traces | As: ≤2 mg/kgCa: ≤200 mg/kgCr: ≤100 mg/kgCu: ≤20 mg/kgFe3+: ≤4000 mg/kgHg: ≤1 mg/kgK: ≤100 mg/kgMg: ≤100 mg/kgMn: ≤1000 mg/kgNa: ≤200 mg/kgNi: ≤100 mg/kgPb: ≤2 mg/kgZn: ≤50 mg/kg |
| Anion traces | chloride (Cl-): ≤300 mg/kg |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Shelf Life | (Shelf life is limited) |
|---|
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Iron(II) sulfate hydrate used for?
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Iron(II) sulfate hydrate is used in chemical synthesis, as a catalyst or catalyst precursor, and as a general laboratory reagent for research and analytical purposes.
What is the CAS number and formula for Iron(II) sulfate hydrate?
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The CAS number is 13463-43-9, and the linear formula is FeSO4 · aq.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Iron(II) sulfate hydrate with an assay of 86.0-89.0% FeSO4 basis. This product is not classified as USP, BP, or EP grade.
How should Iron(II) sulfate hydrate be handled safely?
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Handle with appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, face shields, and gloves. Avoid contact with skin and eyes. It is classified as harmful if swallowed and causes skin and serious eye irritation (H302, H315, H319).
How is Iron(II) sulfate hydrate packed, shipped, and exported?
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Tech Serve Solutions can pack, ship, and export Iron(II) sulfate hydrate according to international regulations. Please contact us for specific requirements and shipping details.
How can I request a sample or quote for Iron(II) sulfate hydrate?
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To request a sample or a quotation, please contact our sales department directly through the TSS website or by phone. Provide the product name and CAS number for prompt service.
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