pharmaceutical industry uses potassium thiocyanate as a raw material for chemotherapeutic drugs, antibiotics and thyroid medications. The chemical industry uses this inorganic reagent to produce photographs and textiles and to manufacture herbicides, fungicides and pesticides.
KSCN is added to displace the adsorbed I2 making it accessible to the starch collodial particles, hence yielding a sharper endpoint. The iodine will be titrated with a standardized solution of sodium thiosulfate