Molekula
Iron (II) chloride tetrahydrate
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 (II) chloride tetrahydrate is a hygroscopic, water-soluble salt used in catalysis, water treatment, and as a reducing agent in chemical synthesis. It also serves as a mordant in textile dyeing and printing, in metallurgy and metal extraction and refining, and in pharmaceutical preparations. It appears as pale green crystals and is sensitive to oxidation. CAS: 13478-10-9, molecular formula: FeCl2 · 4H2O, molecular weight: 198.81 g/mol. Store at ambient temperature. Hazard symbol: Danger. Molekula supplies Iron (II) chloride tetrahydrate 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 — £182.40 per pack ex VAT · £218.88 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 | Green to Blue-green crystalline powder |
| Identification | Conforms to reference |
| Lead (Pb) | ≤ 0.006% |
| Arsenic (As) | ≤ 0.002% |
| Copper (Cu) | ≤ 0.05% |
| Nickel (Ni) | ≤ 0.01% |
| Zinc (Zn) | ≤ 0.01% |
| Manganese (Mn) | ≤ 0.1% |
| Cobalt (Co) | ≤ 0.05% |
| Sulphates (SO4)(2-) | ≤ 0.005% |
| Content FeCl2 | ≥ 62.5% |
| Content FeCl2 · 4H2O | ≥ 98.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 8 |
| Packing Group | II |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 73248552 |
| CAS Number | 13478-10-9 |
| IUPAC Name | dichloroiron;tetrahydrate |
| Molecular Formula | FeCl2 · 4H2O |
| Molecular Weight | 198.81 |
| Exact Mass | 197.9149 |
| SMILES | O.O.O.O.Cl[Fe]Cl |
| InChIKey | WSSMOXHYUFMBLS-UHFFFAOYSA-L |
| InChI | InChI=1S/2ClH.Fe.4H2O/h2*1H;;4*1H2/q;;+2;;;;/p-2 |
| PubChem CID | 16211588 |
| UN Number | UN3260 |
| REACH Code | Y110 |
| HTS Code | 2827.39.5500 |
| Tariff Code | 2827392000 |
Safety & GHS
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Corrosive
GHS05
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Health Hazard
GHS07
Hazard statements
- H290 May be corrosive to metals
- H302 Harmful if swallowed
- H314 (sub cat. 1B) Causes severe skin burns and eye damage
Precautionary statements
- P260 Do not breathe 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
- P303+361 IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P406 Store in a corrosive resistant container with a resistant inner liner
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, Russian, 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
- dichloroiron--water (1/4)
- dichloroiron;tetrahydrate
- FeCl2.4H2O
- Ferrous chloride, tetrahydrate
- Iron dichloride tetrahydrate
Frequently asked questions
What is Iron (II) chloride tetrahydrate used for?
It is used as a reducing agent in chemical synthesis and as a precursor in the production of other iron compounds.
What is the chemical formula and molecular weight?
The formula is FeCl2 · 4H2O with a molecular weight of 198.81 g/mol.
How should Iron (II) chloride tetrahydrate be stored?
It should be stored at ambient temperature and protected from moisture and air to prevent oxidation.
What grade is available?
Available in laboratory grade; specific technical or industrial grades are not specified.
Can Molekula supply it in bulk?
Bulk supply is available upon request; please contact customer service for details.
What documentation comes with the order?
Each order includes a Certificate of Analysis and Safety Data Sheet (SDS).
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.