Overview
Chemical name: Ferrous chloride tetrahydrate
Synonyms: iron chloride tetrahydrate; iron 2 chloride tetrahydrate; iron ii chloride tetrahydrate; ferric chloride tetrahydrate
CAS No.:13478-10-9
Formula: FeCl2·4H2O
EINECS No.: 603-870-5
Molecular Weight: 144.76
Specifications
| Item | Specification | |
| Appearance | Blue-green crystal | |
| Content (FeCl2) | ≥62.00% | |
| Content (FeCl2*4H2O) | ≥98.00% | |
| Free acid (HCL) | ≤0.30% | |
| Insolubles in water | ≤0.100% | |
| Sulphate (SO4) | ≤0.0050% | |
| Fe3+ | ≤0.0500% | |
| Copper (Cu) | ≤0.0050% | |
| Arsenic (As) | ≤0.0005% | |
| Zinc (Zn) | ≤0.0100% | |
| Lead (Pb) | ≤0.0040% | |
| Ni | ≤0.0100% | |
| Co | ≤0.0500% | |
| Mn | ≤0.100% | |
| Cr | ≤0.010% | |
| Cd | ≤0.0050% | |
Uses
Ferrous chloride tetrahydrate is a reducing agent in metallurgy and pharmaceutical. And it is also a mordant in dyeing and in sewage treatment.
