Sodium thiosulfate finds applications in several areas:

1. Medical Field:

   Cyanide Poisoning Treatment:It’s used as an antidote to convert cyanide into less harmful thiocyanate.

2. Photography:

   Fixing Agent:Removes unexposed silver halides from photographic films and papers.

3. Water Treatment:

   Dechlorination:Neutralizes chlorine and chloramine in water, often used in aquariums and municipal water systems.

4. Chemical Analysis:

   Titration:Acts as a reagent in redox titrations, particularly in iodine-based assays.

5. Industrial Processes:

   Bleach Neutralization:Used to neutralize excess bleach in various industrial applications.