... preparation of other inorganic and organic nickel compound,preparation of other ino Nickel nitrate,hexahydrateMolecular Formula:Ni(NO3)2 ... ·6H2OMolecular Weight:290.81Physicochemical Properties:Nickel nitrate hexahydrate is a green monoclinic system crystal. ... -galvanizing and preparation of other inorganic and organic nickel compound,preparation of other inorganic or organic chromium, ...