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Physical & Chemical properties

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In the literature, Iron trinitrate is described as not stable in its anhydrous form and cannot be produced by dehydration of the hydrated form. As a result, the physical chemical tests were performed on the stable nonahydrate form. The nonahydrate form is a violet-grey hygroscopic crystalline solid which melts at a temperature of 47.2 °C in its own hydrate water. At temperatures above 100°C, it loses water. Dehydration partly occurs from about 125-150°C onwards. It is moderately soluble in water at a solubility of 825 g/L with a brown to yellow colour. It is usually marketed in aqueous solution and does not possess any groups associated with explosive or flammable properties. It therefore is considered to be non explosive and not classified as flammable.