Common name: Copper hydroxide（CAS NO: 20427-59-2）

IUPAC name: copper(II) hydroxide or copper(2+) hydroxide or cupric hydroxide 

Chemical Abstracts name: copper hydroxide (Cu(OH) ₂) 

CAS No: 20427-59-2 

Mode of action: 
Its bactericidal effect mainly by copper ions, copper ions are absorbed spore germination, when it reaches a certain concentration, can kill spore cells, which play a bactericidal effect, but this effect is limited to prevent spore germination, that is the only protection effect. 

Application:
Used as broad spectrum foliar fungicide on fruits, vegetables and ornamentals. It has been cleared for use on alfalfa, almonds, apricots, beans, blackberries, broccoli, Brussels sprouts, cabbage and cauliflower, cantaloupes, honeydews, muskmelons, carrots, celery, cherry, cranberry, cucumbers, currants, gooseberry, grapes, filberts, peaches, nectarines, peanuts, pears, peas, peppers, potatoes, pumpkin, squash, strawberries, apples, eggplant, hops, lettuce, onion, sugar beets, sycamore, tomatoes, walnut, watermelon, wheat, and barley. 

For control of Peronosporaceae in vines, hops, and brassicas; Alternaria and Phytophthora in potatoes; Septoria in celery; and Septoria, Leptosphaeria, and Mycosphaerella in cereals, at 2-4 kg/ha or 300-400 g/100 l. 

Formulation types: 
Copper hydroxide 88% TC, 
Copper hydroxide 77% WP. 

Packing: 10ML-200L for liquid formulations, 1G-25KG for solid formulations.