... bisexual, oxide, slightly hygroscopicity. The relative molecular mass for 79.545, density of 6.3-6.9 ... g/cm, °C nized melting point. Insoluble in water, soluble in acid and ethanol, ... glaze and enamel, battery, oil desulfurizer, pesticides, also for hydrogen production, catalyst, with green glass etc.Details: Test ... interested in our products please contact me. High quality Cupric oxide 87% CuO