Molekula
Ferrous Sulfate Hydrate
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Ferrous Sulfate Hydrate is a hydrated iron(II) sulfate compound used as a dietary supplement, water treatment agent, and in industrial processes such as pigment production. It appears as pale green crystals and is soluble in water. CAS: 13463-43-9, Molecular Formula: FeSO₄·H₂O, Molecular Weight: 151.91 g/mol, Storage: Ambient, Signal Word: Warning. Molekula supplies Ferrous Sulfate Hydrate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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1 kg — £46.00 per pack ex VAT · £55.20 inc. VAT
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | Blue/green solid |
| Assay | ≥ 98.0% |
| Solubility in water | Soluble |
| Fe2+ | Present |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 9 |
| Packing Group | III |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 15403456 |
| CAS Number | 13463-43-9 |
| IUPAC Name | iron(2+);sulfate;hydrate |
| Molecular Formula | FeSO4・H2O |
| Molecular Weight | 151.91 |
| Exact Mass | 169.8972 |
| SMILES | O.[O-]S(=O)(=O)[O-].[Fe+2] |
| InChIKey | XBDUTCVQJHJTQZ-UHFFFAOYSA-L |
| InChI | InChI=1S/Fe.H2O4S.H2O/c;1-5(2,3)4;/h;(H2,1,2,3,4);1H2/q+2;;/p-2 |
| PubChem CID | 62712 |
| UN Number | UN3077 |
| REACH Code | Y110 |
| HTS Code | 28332920 |
| Tariff Code | 2833298080 |
Safety & GHS
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Health Hazard
GHS07
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Hazardous to the Environment
GHS09
Hazard statements
- H302 Harmful if swallowed
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H400 Very toxic to aquatic life
- H410 Very toxic to aquatic life with long lasting effects
Precautionary statements
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
- P302+352 IF ON SKIN: Wash with soap and water
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P333+313 IF skin irritation or a rash occurs: Get medical advice/attention
- P337+313 If eye irritation persists get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- dried ferrous sulfate
- Feromax
- Feroritard
- Ferrous sulfate monohydrate
- Fespan
- Iron(2+) sulfate monohydrate
- Iron(II) sulfate hydrate
- iron(II) sulfate monohydrate
- Sulfuric acid, iron(2+) salt (1:1), monohydrate
- Tetucur
Frequently asked questions
What is Ferrous Sulfate Hydrate used for?
It is commonly used as a dietary supplement for iron deficiency, in water treatment to remove phosphates, and as a precursor in the synthesis of other iron compounds.
What is the chemical formula and molecular weight?
The formula is FeSO4・H2O with a molecular weight of 151.91 g/mol.
How should Ferrous Sulfate Hydrate be stored?
Store at ambient temperature, protected from moisture and light to prevent oxidation.
What grade is available?
Available in laboratory grade; custom grades may be available upon request.
Can Molekula supply it in bulk?
Yes, bulk quantities are available—please contact our sales team for pricing and availability.
What documentation comes with the order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS); additional documentation can be provided upon request.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.