Zinc Sulphate

Zinc Sulphate
1	Formula ----------------------- Molecular Weight	------------------------------------------------------------------------------------- 287.54
2	Synonym
3	Physical Property	Physical state Transparent crystal or crystalline powder Colour Colourlress Odour Odourless Taste Astringent and metallic Solubility Soluble in water and freely soluble in glycerin . Insoluble in alcohol
4	Chemical Property
5	Incompatibility	It is incompatable with alkali carbonates and hydroxides , astringent decoctions and infusions
6	Uses	i)                    It is given to treat acrodermatitis enteropathica which is associated by zinc deficiency . ii)                   Externally it is used as an astringent in lotions and eye-drops . iii)                 Internally it is used as an emetic . iv)                 It is an ingredient of an ophthalmic solution known as sulphate ophthalmic solution .
7	Side Effect
8	Storage	It is stored in tightly closed container .

Zinc Stearate

Zinc Stearate
1	Formula ----------------------- Molecular Weight	------------------------------------------------------------------------------------- 632
2	Synonym
3	Physical Property	Physical state Very fine , light , soft , bulky powder Colour Odour Slight characteristics Taste Solubility Insoluble in water , alcohol , ether . Soluble in benzene .
4	Chemical Property
5	Incompatibility
6	Uses	i)                    It have mild astringent and antimicrobial property . ii)                   It is used in dusting powders and ointments as a soothing and protective agent in the treatment of skin inflammation . iii)                 It is used either alone or with other powders or in the form of creams . iv)                 It is also added as a lubricant to the granules in tablet making .
7	Side Effect	Inhalation of zinc-stearate caused fatal pneumonitis ( pulmonary inflammation ) especially in children .
8	Storage	It is stored in well closed container

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.

Yellow mercuric acid

Yellow mercuric acid
1	Formula ----------------------- Molecular Weight	------------------------------------------------------------------------------------- 216.6
2	Synonym
3	Physical Property	Physical state Impalable , amorphous , an d having orthorhombic structure . Colour Yellow or orange yellow Odour Odourless Taste Solubility Pratically insoluble in water, alcohol , soluble in dilute Hcl ,or HnO3 or in solutions of alkali cyanides or iodides ,and slowly soluble in solution of alkali bromides
4	Chemical Property
5	Incompatibility	Incompatable with reducing agents
6	Uses	i)                    It is used in eye ointments  for local treatment of minor infections including the eradication of crab lice from the eye lashes and inflammation of the eye including conjunctivitis  . ii)                   It is used as a topical antiseptic , fungicide , in chronic skin condition , corneal ulcers and as oxidizing agents .
7	Side Effect
8	Storage	It is stored in well closed container and protected from light

Titanium Dioxide

Titanium Dioxide
1	Formula ----------------------- Molecular Weight	------------------------------------------------------------------------------------- 79.90
2	Synonym
3	Physical Property	Physical state Amorphus infusible powder Colour White Odour Odourless Taste Tasteless Solubility Practically insoluble in water and in dilute mineral acid but soluble in hydrofluoric acid and in hor sulphuric acid
4	Chemical Property
5	Incompatibility
6	Uses	i)                    It is applied to the skin as a mild astringent and protective application in eczema . ii)                   It is used for the relief of pruritus and in certain exudative dermatoses . iii)                 It is used to prevent sunburn because it reflects ultraviolet light .
7	Side Effect
8	Storage	It is kept in well closed container .

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 .

Sulphur Dioxide

Sulphur Dioxide
1	Formula ----------------------- Molecular Weight	------------------------------------------------------------------------------------- 64.06
2	Synonym
3	Physical Property	Physical state Gas Colour Colourless Odour Taste Typical pungent Solubility It is soluble in water ( 36 in 1 ) and alcohol ( 114 in 1 ) and soluble in chloroform and ether .
4	Chemical Property
5	Incompatibility	Under alkaline conditions  , sulphur dioxide is converted to bisulphite and sulphite . In buffer solution sulphur dioxide reduces hydroxide ion concentrations due to formation of HSO3 and the solution becomes more acidic .
6	Uses	i)                    Sulphur dioxide has antioxidant and antimicrobial properties ii)                   sulphur dioxide is used as preservative for food . iii)                 it is also used as a fumigant and to disinfect equipment in the wine and food industries . iv)                 In industry it is used for bleaching wood pulp . v)                  A lotion is prepared from sulphur dioxide and glycerin is used to cure sore throat in cold , tonsillitis , and skin infections .
7	Side Effect	i)                    Sulphur dioxide is highly irritant to eye , skin and mucous membrane . ii)                   Inhalation results in irritation of the respiratory tract .
8	Storage	It is stored in cylinders and usually packagesd under pressure in liquid form .