Zinc Oxide

Zinc Oxide
1	Formula ----------------------- Molecular Weight	------------------------------------------------------------------------------------- 81.34
2	Synonym	Philosopheriwool
3	Physical Property	Physical state Amorphous very fine soft powder  and free from grittiness Colour White or faintly yellowish white Odour Odourless Taste Tasteless Solubility Practically insoluble in water and soluble in dilute mineral acid
4	Chemical Property
5	Incompatibility
6	Uses	i)                    It is applied to the skin as a mild astringent ii)                   It is applied to the skin as a soothing and protective application in eczema . iii)                 It is used as protective to skin . iv)                 It is used in sunscreens v)                  It is used in the treatment of skin ulceration and in other skin problems . vi)                 It is a mild antiseptic and astringent . vii)               Mixture of zinc oxide and strong solution of zinc chloride is converted into an oxychloride which sets into hard mass . This mass is used in some dental cements . viii)              Mixed with clove oil  or eugenol , zinc-oxide is used as a temporary dental filling  . ix)                 The antimicrobial – astringent action is due to the release of a small amount of zinc ins due to hydrolysis in the acidic moisture on the skin x)                  It is an ingredient of calamine , zinc gelatin , zinc oxide ointment and zinc oxide paste .
7	Side Effect	Freshly formed fumes , as from welding , may cause metal fume fever with chills , fever , tightness in chest , cough and leucocytes
8	Storage	It is stored in well closed container.