... cm3 (hexahydrate)Melting point------680 ºC decomp. (anhydrous) 100 °C (heptahydrate) 70 °C, decomp (hexahydrate)Boiling ... °C, decomp (heptahydrate)Solubility in water------22 g/100 ml, anhydrous (20 ºC) 96.5 g/100mL ... anhydrous soluble in methanol, glycerol heptahydrate:40 g/100 mL, glycerol insoluble in alcoholOdor------odorlessZinc sulfate ( ... , and agricultural sprays. Zinc sulphate CAS:7733-02-0 Mono