Ferrous chloride tetrahydrate
- CAS number
- 13478-10-9
- Molecular weight
- 198.71
- Molecular formula / chemical symbol
- FeCl2.4H2O
Description
Deliquescent, easily oxidized in air, soluble in water and alcohol.
Keywords：Chloride
USES
Reducing agent, sewage treatment, and detection of selenium. For agate dyeing, chemical catalyst, mordant, metallurgy plating.Report
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Product |
Ferrous chloride tetrahydrate |
CAS: 13478-10-9 |
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Character |
Deliquescent susceptible to oxidation in the air, can be dissolved in water and alcohol |
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Formula |
FeCl2·4H2O |
Purity: 99.99% |
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Test item |
Test result |
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99.99% metals basis |
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Appearance |
Light green to green powder or crystalline |
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Purity |
≥99.99% Based on Trace Metals Impurities of ICP |
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ICP Major Analysis Conforms |
Confirms Iron Component |
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Fe |
27.0 - 29.0 % （Titration by KMNO4） |
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Trace Metal Analysis |
≤200ppm by ICP Atomic emission |
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Item |
(AR) |
(CP) |
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(FeCl2·4H2O)Assay,% |
99.5-101.0 |
99.0-101.0 |
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Insoluble matter in water,% ≤ |
0.01 |
0.02 |
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(SO4)Sulfate,% ≤ |
0.01 |
0.02 |
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(Cu)Copper and heavy metals,% ≤ |
0.005 |
0.005 |
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(Zn)Zinc,% ≤ |
0.005 |
0.01 |
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(As)Arsenic,% ≤ |
0.001 |
0.002 |
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(Sulfate)Alkaliearth metals,% ≤ |
0.1 |
0.2 |
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First grade |
liquid |
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Appearance |
Blue-green crystal |
blue liquid |
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FeCl2·4H2O% |
≥98% |
≥30% |
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FeCl3 % |
≤0.3% |
≤0.2% |
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Insoluble matter in water % |
≤0.5% |
≤0.75% |
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Free acid（HCl）% |
≤1.0% |
≤0.3% |