Zinc hydroxide

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Zinc hydroxide

Zinc hydroxide is a chemical compound. Its chemical formula is Zn(OH)2. It contains zinc and hydroxide ions.

Properties[change | change source]

Zinc hydroxide is a white solid. It does not dissolve in water. It reacts with acids to make zinc salts. It dissolves in concentrated bases. It dissolves in ammonia to make a colorless solution. It can be heated to make zinc oxide.

Occurrence[change | change source]

Zinc hydroxide is found as a few rare minerals. It is not a main zinc ore.

Preparation[change | change source]

Zinc hydroxide can be made by reacting zinc chloride or zinc sulfate with sodium hydroxide. A dilute solution of sodium hydroxide was used so the zinc hydroxide didn't dissolve.

Uses[change | change source]

Zinc hydroxide is used to absorb blood in large bandages. These bandages are used after surgery.

Related pages[change | change source]