Talc

Talc
1	Formula ----------------------- Molecular Weight	------------------------------------------------------------------------------------- 278.00
2	Synonym	Purified talc , Talcum , French chalk , Soap stone
3	Physical Property	Physical state Very fine , light , homogenous , impalpable and unctuous powder Colour White or grayish white Odour Odourless Taste Characteristics Solubility Practically insoluble in water and in dilute mineral acids or alkali . It is readily adhere to the skin .
4	Chemical Property
5	Incompatibility
6	Uses	i)                    It is used in massage ii)                   It is used as a dusting powder to allay irritation and prevent chafing . iii)                 It is mixed with starch or boric acid to increase ab sorption of moisture and zinc oxide . iv)                 It is also used as lubricant in making pills , tablets , and for dusting tablet molds . v)                  Talc poudrage is used to treat recurrent spontaneous pneumothorax ( collection of air in the pleural cavity ) and pleural effusions .
7	Side Effect
8	Storage	It is stored in well closed container .