Used in analytical chemistry to detect the presence of iron(III) ions, producing a deep red coloration due to the formation of ferric thiocyanate complex.

Employed in the synthesis of herbicides and certain pharmaceuticals.

Serves as a reagent in the preparation of other thiocyanate salts.

Utilized in some metal etching and electroplating processes.

Also applied in the photography industry for toning prints and in the manufacturing of dyes.