Copper Hydroxide agricultural grade 1)Cu(OH)2,96%;Cu,62% 2)Package,25kg/bag 3)Usage,reagents medicines, pesticides,fungicides Copper Hydroxide agricultural ... darken, high temperature and then broken down into a black copper oxide and water. Reagents for analysis, but also for medicine ... (as Cu)≥63%Hydrochloric insolubles≤0.5%Ferric≤0.2% Copper Hydroxide agricultural grade