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 an inorganic compound widely used as a coagulant in water treatment, a mordant in dyeing, and a nutrient in fertilizers. It appears as a pale violet crystalline solid with varying water content. This chemical has a CAS number of 10028-22-5, with the molecular formula Fe₂(SO₄)₃·xH₂O and a molecular weight of 399.88 g/mol. It is stored at ambient conditions but requires careful handling due to its hazardous classification, marked with the 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
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
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 | Yellow powder |
| Insoluble Matter | ≤0.3% |
| Cadmium (Cd) | ≤2.0% |
| Lead (Pb) | ≤0.0005% |
| Mercury (Hg) | ≤0.00001% |
| Identification (IR) | Conforms to reference |
| Arsenic (As) | ≤0.0002% |
| Chromium (Cr) | ≤0.0005% |
| Reduced Matter (as Fe2+) % w/w | ≤0.1% |
| Free acid (as H2SO4) % w/w | ≤0.5% |
| Iron(III) ion (Fe3+) % w/w | ≥20.5% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 8 |
| Packing Group | III |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 89966006 |
| CAS Number | 10028-22-5 |
| Molecular Formula | Fe2(SO4)3 · xH2O |
| Molecular Weight | 399.88 |
| SMILES | [O-]S(=O)(=O)[O-].[O-]S(=O)(=O)[O-].[O-]S(=O)(=O)[O-].[Fe+3].[Fe+3] |
| UN Number | UN3260 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2833.29.2000 |
| Tariff Code | 2833298080 |
Safety & GHS
-
Corrosive
GHS05
-
Health Hazard
GHS07
Hazard statements
- H290 May be corrosive to metals
- H302 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+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, 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
No alternate names recorded for this product.
Frequently asked questions
What is Iron (III) sulfate hydrate commonly used for?
Iron (III) sulfate hydrate is primarily used as a coagulant in water and wastewater treatment, in dyeing and printing textiles, and as a mordant in leather tanning.
What is the chemical formula and molecular weight of Iron (III) sulfate hydrate?
The chemical formula is **Fe₂(SO₄)₃·xH₂O**, with a molecular weight of **399.88 g/mol** (anhydrous basis).
How should Iron (III) sulfate hydrate be stored?
Store in a cool, dry, well-ventilated area at ambient temperature, away from incompatible substances. Keep containers tightly sealed.
What grades or purity levels does Molekula offer for Iron (III) sulfate hydrate?
Molekula supplies Iron (III) sulfate hydrate in **technical grade** and **analytical reagent (AR) grade** for laboratory applications.
Can Molekula supply Iron (III) sulfate hydrate in bulk quantities?
Yes, we offer bulk packaging options for Iron (III) sulfate hydrate, including drums and bulk bags, depending on customer requirements.
What documentation is provided with an order of Iron (III) sulfate hydrate?
Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS)**, and **batch-specific documentation** for traceability.
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.