Cobaltous sulfate

Molecular formula:CoSO4.7H2O
Molecular weight:281.1
Property:Brown yellow or red crystal,density::1.948g/cm3,melting point:96.8,freely soluble in water and methanol,slightly soluble in ethanol.
Specification:Enterprise standard HG2631-94 chemically pure grade.

Index name Technical grade chemically pure
(CP grade)
Content(Co)% ≥ 20.0 20.5
Chlorid (Cl)%≤ 0.005 0.005
Nitrogen content (N)% ≤ 0.02 0.05
Manganese (Mn)% ≤ 0.02 0.02
Iron (Fe)% ≤ 0.005 0.005
Nickle (Ni)% ≤ 0.05 0.1
Copper(Cu)% ≤ 0.005 0.005
Zinc (Zn)% ≤ 0.02 0.02
Calcium (Ca)% ≤   0.025
Sodium (Na)% ≤   0.05
Lead (Pb)% ≤ 0.002  
Arsenic (As)% ≤ 0.002  
Insoluble substance in water % ≤ 0.03 0.01

Application area:Used as paint drier in coating industry,glaze for painted china in ceramic industry, additives for alkaline battery and lithopone in the battery industry. Also used in producing pigment containing cobalt and material for cobalt salt. Besides, it is also used as plating, catalyzer, feed additive and analytical reagent etc..
Packing:25kg bag or pail.

  

 
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