.jpg)
CAS No.: [ CAS 7758-94-3 ]
Molecular formula: FeCl2
Molecular weight: 126.65
Property: grey-green powder; soluble in water, alcohol and acetic acid, lightly soluble in acetone and insoluble in ether
Uses: sewage treatment agent, reducing agent and mordant in dyeing field; and in pharmaceutical, metallurgy and photography industry.
Enterprise standard: Factory standard
|
Ordinal
|
The　examination iterm
|
Factory standard
|
|
1
|
（Appearance）
|
(white pellet or powder)
|
|
2
|
（FeCl2.4H2O）
|
≥99.0%
|
|
3
|
(Insolubles in water)
|
≤0.03%
|
|
4
|
(以SO42-计)
|
≤0.003%
|
|
5
|
（Fe3+)
|
≤0.10%
|
|
6
|
(Cu)
|
≤0.05%
|
|
7
|
(Alkaline-earth metal)
|
≤0.30%
|
|
8
|
(As)
|
≤0.003%
|
|
9
|
(Zn)
|
≤0.007%
|
|
10
|
(Mn)
|
≤0.07%
|
|
11
|
(Pb)
|
≤0.005%
|
The product is vacuum packed to avoid direct sunlight and can be transported for long distance.
Notes: the product is harmful on eyes and skin. Please wash with clean water if it splashed in eyes. And it should be stored in cool and dry place.
|
