Used in medicine to treat cyanide poisoning by converting cyanide into thiocyanate, which is less toxic and easily excreted in urine. Also employed in hospitals as an antidote in combination with sodium nitrite. In dermatology, it helps manage skin conditions like pityriasis versicolor and certain types of eczema due to its antifungal and anti-inflammatory properties. Commonly used in water treatment to neutralize chlorine in drinking water and swimming pools. Applied in photography as a fixing agent to dissolve unexposed silver halides from photographic film and paper. Utilized in analytical chemistry during iodometric titrations to determine the concentration of oxidizing agents. Also serves in gold mining to leach gold from ores in a non-toxic alternative to cyanide.