Ferric chloride most commonly used in water purification and sewage treatment plant.  Also Ferric Chloride chemicals are used inoil drilling companies, laboratories, ceramic industries etc for various uses. These chemicals are highly resistance prone, have a longer shelf life and are correctly formulated. 

Feric Chloride contains chlorine, so its characteristic smell is chlorine like hydrochloric acid odor. Due to presence of chlorine Ferric Chloride is Highly corrosive to most metals. 

Specification-
Ferric Chloride CAS NO.7705-08-0
SYSTEMATIC NAME :Ferric chloride
OTHER NAME :Iron(III) chloride, Iron tri chloride, Ferric trichloridde Anhydrous
EMPIRICAL FORMULA :FeCl3
MOLECULAR WT :162.2 g/mol
APPEARANCE :Dark greenish Black, Crystalline Powder extremely hygroscopic
SPECIFICATION :Ferric Chloride (as Fecl3) : 98.00 % min
Matter Insoluble in water :0.50 % max
Free Chlorine (as Cl) :0.01 % max
Ferrous Salts (as Fecls2) :0.10 % max
Sulphates (as SO4) :0.30 % max
Nitrates (as NO3) :0.05 % max
Zinc ( as Zn) :0.01 % max
Arsenic (as As203) :0.0005 % max
Alkalis and Alkaline earths :0.30 % max

Ferric Chloride is Noncombustible materials so esy to transport and storage.

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