Khalid M. Khan* ,a , Muhammad Taha a , Fazal Rahim a , Muhammad Ali a , Waqas Jamil a , Shahnaz ... Perveen b and M. Iqbal Choudhary a ... Received December 16, 2009: Revised March 21, 2010: Accepted March 21, 2010 Abstract: An improved method for the synthesis of disulfide in water by using periodic acid and sodium hydrogen sulfite was developed. Keywords: Disulfides, periodic acid, sodium hydrogen sulfite, water, improved method.