iron sulfate heptahydrate 1)FeSO4.7H2O%,98%;Fe,20% 2)package,25kg/bag 3)Usage, additives,fertilizer,water scavenging agent

iron sulfate heptahydrate

Molecular Formula:    FeSO4·(X) H20 (X=1 or X=7) Molecular Weight:     169.01

-------------------------------------------------------------------------------------------------------------------------------------------------------------Properties:

      Green vitriol ,pale bluish green crystal, relative density: 1.895 ~1.898 . m.p.: 64oC. Easy weathering in dry air .

Into tetrahydrate (56.6°C),monohydrate (65°C).In wet air it will be oxidated to basic ferric sulphate.Soluble in water and glycerol, insoluble in alcohols.

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Usage:     

Ferrous sulfate monohydrate is offwhite powder ,used for the manufacture of iron salts, ink, iron oxide red and indigo-blue; as mordant ,tanning agent,water scavenging agent,wood preservative,disinfectant and heliograph etc.

as fertilizer, herbicide and pesticide in agriculture.as Local astringent and hematinic in medicine.Feed & Food Grade used for  accessorysubstance ,as raw material for the synthesis of hemoglobin ,as Food colorant.

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Item	Ferrous sulfate monohydrate	Ferrous sulfate heptahydrate
		Agro grade	Feed grade
Ferrous sulfate%≥	91.0	90.0	98.0
Fe %≥	30.0	18.36	20.0
Pb %≤	0.002	-	0.002
AS %≤	0.002	-	0.0002
Fineness (through 180umtest sieve) %≥ 95	95	-	-

Iron Sulphate Heptahydrate water scavenging agent