Molekula
Iron(III) chloride anhydrous
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) chloride anhydrous is a highly corrosive inorganic compound used as a catalyst in organic synthesis, water treatment, and etching of printed circuit boards. It appears as dark green to black crystals and is hygroscopic. CAS: 7705-08-0, Molecular formula: FeCl3, Molecular weight: 162.20 g/mol. Store at ambient temperature. Signal word: Danger. Molekula supplies Iron(III) chloride anhydrous 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.
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1 kg — $103.20 per pack
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Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | Dark grey powder |
| Assay (Titration ex Chloride) | ≥98.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 8 |
| Packing Group | III |
| Acidity | Acid |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Melting Point | 304 °C |
| Boiling Point | 315 °C at 760 mmHg (Decomposes) |
| Vapour Pressure | 1 mmHg at 194 °C |
Source: PubChem CID 24380 (HSDB, CAMEO Chemicals, PAC Chemical Database)
Identification
| Property | Value |
|---|---|
| SKU | 20045444 |
| CAS Number | 7705-08-0 |
| IUPAC Name | trichloroiron |
| EC Number | 231-729-4 |
| Molecular Formula | FeCl3 |
| Molecular Weight | 162.20 |
| Exact Mass | 160.8415 |
| SMILES | Cl[Fe](Cl)Cl |
| InChIKey | RBTARNINKXHZNM-UHFFFAOYSA-K |
| InChI | InChI=1S/3ClH.Fe/h3*1H;/q;;;+3/p-3 |
| PubChem CID | 24380 |
| UN Number | UN1773 |
| REACH Code | Y110 |
| HTS Code | 28273955 |
| Tariff Code | 2827392000 |
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
- P231+232 Handle under inert gas. Protect from moisture
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+330 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting
- 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, English (US), French, German, Italian, Portuguese, Spanish, Swedish.
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
- Chlorure ferrique
- Chlorure perrique
- FERRIC CHLORIDE
- FERRIC CHLORIDE, ANHYDROUS
- Flores martis
- Iron chloride (FeCl3)
- Iron perchloride
- Iron trichloride
- Natural molysite
- Perchlorure de fer
Frequently asked questions
What is Iron(III) chloride anhydrous used for?
It is commonly used as a catalyst in organic synthesis, in water treatment for coagulation, and in the production of printed circuit boards.
What is the chemical formula and molecular weight?
The formula is FeCl3 and the molecular weight is 162.20 g/mol.
How should Iron(III) chloride anhydrous be stored?
It should be stored at ambient temperature in a dry, well-ventilated area, away from moisture and incompatible materials.
What grade is available?
Molekula supplies Iron(III) chloride anhydrous in reagent grade.
Can Molekula supply it in bulk?
Yes, Molekula can supply Iron(III) chloride anhydrous in bulk quantities; please contact our sales team for details.
What documentation comes with the order?
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.