Ferrous chloride tetrahydrate
Synonyms:Iron(II) chloride tetrahydrate
Molecular Formula:FeCl2.4(H2O)
Molecular Weight :198.81
CAS Registry Number:13478-10-9
Appearance: Blue-green crystal
Iron of High Valence:≤0.008%
Insoluble in water:≤0.01%
Sulphate(SO4)≤0.02%
Copper and other metal≤0.01%
alkaline-earth metals≤0.09%
As≤0.003%
Zn≤0.005%
ASSAY(FeCl2. .4H2O)≥99.5%
Usage: water treatement; ; reducing agen; dye mordant; pharmaceutical; metallurgy; photograph.