Iron(II) chloride
ALDRICH/450936 - AnhydroBeads™, −10 mesh, 99.99% trace metals basis
Synonym: Ferrous chloride; Iron dichloride
CAS Number: 7758-94-3
Empirical Formula (Hill Notation): Cl2Fe
Molecular Weight: 126.75
EC Number: 231-843-4
MDL Number: MFCD00011004
Linear Formula: FeCl2
Product Type: Chemical
12 Principles of Green Chemistry: Principle 9—Catalytic reagents (as selective as possible) are superior to stoichiometric reagents.
| application(s) | electroplating material synthesis precursor |
| assay | 99.99% trace metals basis |
| density | 3.16 g/mL at 25 °C (lit.) |
| grade | synthesis grade |
| greener alternative category | Aligned  |
| greener alternative product characteristics | Catalysis Learn more about the Principles of Green Chemistry . |
| impurities | ≤150.0 ppm Trace Metal Analysis |
| InChI | 1S/2ClH.Fe/h2*1H;/q;;+2/p |
| InChI key | NMCUIPGRVMDVDB-UHFFFAOYSA |
| mp | 677 °C (lit.) |
| particle size | −10 mesh |
| product line | AnhydroBeads™ |
| Quality Level | 100 |
| reaction suitability | core: iron |
| SMILES string | Cl[Fe]Cl |
| sustainability | Greener Alternative Product |
| Application: | Iron(II) chloride can be used as: • A doping agent in the fabrication of mixed organic-inorganic perovskite for high-efficiency perovskite solar cells. The incorporation of iron(II) chloride improve the overall efficiency of the solar cell. • A precursor for synthesizing various iron(II) coordination complexes. These complexes are significant due to their unique optical and electronic properties, which are essential for various applications, including solar energy conversion and catalysis. • As a precursor in the synthesis of iron-nitrogen-carbon (Fe–N–C) catalysts for proton exchange membrane fuel cells. |
| General description: | Iron(II) chloride, also known as ferrous chloride, is a paramagnetic solid with a high melting point. It has significant applications in solar cells, fuel cell catalysts, and semiconductors due to its unique properties. Additionally, it can also act as a reducing agent in redox reactions, which are crucial in many electrochemical processes. |
| General description: | We are committed to bringing you Greener Alternative Products, which adhere to one or more of the 12 Principles of Green Chemistry. The iron catalysts are known to be inexpensive and environmentally benign. Click here  for more information. |
| Legal Information: | AnhydroBeads is a trademark of Sigma-Aldrich Co. LLC |
| Packaging: | 5, 25 g in ampule |
| Symbol |   GHS05,GHS07 |
| Signal word | Danger |
| Hazard statements | H290 - H302 - H318 |
| Precautionary statements | P280 - P301 + P312 + P330 - P305 + P351 + P338 + P310 |
| Hazard Codes | C |
| Risk Statements | 22-34 |
| Safety Statements | 26-36/37/39-45 |
| RIDADR | UN3260 - DOT NA1759 - class 8 - PG 2 - Corrosive solid, acidic, |
| WGK Germany | WGK 1 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | 99.99% trace metals basis |
| mp | 677 °C (lit.) |
| Density | 3.16 g/mL at 25 °C (lit.) |
| UNSPSC | 12352302 |