Molekula
Iron (III) 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
Iron (III) sulfate hydrate is a yellow-brown crystalline solid used in water treatment, wastewater purification, and as a coagulant in industrial processes. It is also employed in the synthesis of other iron compounds and in laboratory applications. Available with a CAS number of 15244-10-7, molecular formula Fe2(SO4)3 · xH2O, and molecular weight of 399.88 g/mol. Stored at ambient temperature. Signal word: Danger. Molekula supplies Iron (III) 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 — £138.00 per pack ex VAT · £165.60 inc. VAT
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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 | Light yellow powder |
| Insoluble Matter | ≤ 0.3% |
| Iron (Fe) | ≥ 21.0% |
| Reduced Matter (as Fe2+) % w/w | ≤ 0.1% |
| pH (1% sol.) | 2.0 to 3.0 |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 8 |
| Packing Group | III |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 22099603 |
| CAS Number | 15244-10-7 |
| IUPAC Name | bis(iron(3+));trisulfate;hydrate |
| Molecular Formula | Fe2(SO4)3 · xH2O |
| Molecular Weight | 399.88 |
| Exact Mass | 417.7356 |
| SMILES | O.[O-]S(=O)(=O)[O-].[O-]S(=O)(=O)[O-].[O-]S(=O)(=O)[O-].[Fe+3].[Fe+3] |
| InChIKey | VXWSFRMTBJZULV-UHFFFAOYSA-H |
| InChI | InChI=1S/2Fe.3H2O4S.H2O/c;;3*1-5(2,3)4;/h;;3*(H2,1,2,3,4);1H2/q2*+3;;;;/p-6 |
| PubChem CID | 167265 |
| UN Number | UN3260 |
| REACH Code | Y110 |
| HTS Code | 28332920 |
| Tariff Code | 2833298080 |
Safety & GHS
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Corrosive
GHS05
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Health Hazard
GHS07
Hazard statements
- H290 May be corrosive to metals
- H303 May be harmful if swallowed
- H315 Causes skin irritation
- H318 Causes serious eye damage
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- 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
- P337+313 If eye irritation persists get medical advice/attention
Documents
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
- Ferric sulfate hydrate
- Ferric sulfate hydrate; Ferric sulphate hydrate
- Ferric trisulfate monohydrate
- Iron sulfate hydrate
- iron(3+) sulfate hydrate
- iron(3+);trisulfate;hydrate
- IRON(III) SULFATE N-HYDRATE
- Sulfuric acid, iron(3+) salt (3:2), hydrate
- Sulfuric acid, iron(3+) salt (3:2), monohydrate
- Sulfuric acid, iron(3+)salt (3:2), hydrate (8CI,9CI)
Frequently asked questions
What is Iron (III) sulfate hydrate used for?
It is commonly used as a coagulant in water treatment and as a catalyst in organic synthesis.
What is the chemical formula and molecular weight of Iron (III) sulfate hydrate?
The formula is Fe2(SO4)3 · xH2O with a molecular weight of 399.88 g/mol.
How should Iron (III) sulfate hydrate be stored?
It should be stored at ambient temperature, away from moisture and incompatible materials.
What grade is available for Iron (III) sulfate hydrate?
Available in reagent grade; custom grades may be available upon request.
Can Molekula supply Iron (III) sulfate hydrate in bulk?
Yes, bulk quantities are available—please contact our sales team for pricing and availability.
What documentation comes with an order of Iron (III) sulfate hydrate?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) with the shipment.
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.