Zinc hydroxide

CAS-NO: ‎20427-58-1

Molecular Wight: 99.424 g/mol

Zinc hydroxide is a white powder. Its solubility in water is very low and dissolves well in acidic and alkaline solutions. Zinc hydroxide is produced as the reaction of 40% on zinc sulfate. It is the sub-product of sodium sulfate. It is necessary to adjust the concentration of , so that its large amount does not lead to the excessive sedimentation of sodium sulfate.

ZnSO4 (aq)  +  2NaOH (aq)       =>        Zn(OH)2 (s)  +  Na2SO4 (aq)

  • In Calamine creams
  • Ointment
  • Baby powder
  • Skin lotion and cosmetics
  • Due to the amphoteric nature, it reacts with strong bases to create to be used as an oral medication for the treatment of many disorders.