CAS 13478-10-9 Ferrous chloride tetrahydrate FeCl2.4(H2O) Iron II chloride tetrahydrate
CAS No.: [ CAS 13478-10-9 ]
Molecular formula: FeCl2.4H2O
Molecular weight: 198.71
Property: blue-green crystal; deliquesce; soluble in water, alcohol and acetic acid, lightly soluble in acetone and insoluble in ether
Uses: waster water treatment, reducing agent, mordant in dyeing, metallurgy and photography field.
Enterprise standard: Factory standard
|
Ordinal |
The examination iterm |
Factory standard |
Factory standard |
|
1 |
(Appearance) | (Blue-green crystal) | |
|
2 |
(FeCl2.4H2O) |
≥98% |
≥99% |
|
3 |
(Insolubles in water) |
≤0.01% |
≤0.01% |
|
4 |
(SO42-) |
≤0.003% |
≤0.003% |
|
5 |
(Fe3+) |
≤0.01% |
≤0.01% |
|
6 |
(Cu) |
≤0.005% |
≤0.005% |
|
7 |
(Alkaline-earth metal) |
≤0.10% |
≤0.10% |
|
8 |
(As) |
≤0.002% |
≤0.002% |
|
9 |
(Zn) |
≤0.005% |
≤0.005% |
|
10 |
(Mn) |
≤0.07% |
≤0.07% |
|
11 |
(Pb) |
≤0.006% |
≤0.006% |
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