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Inorganic thiocyanate is also known as rhodanide. It is the anion (SCN)- and conjugate base of thiocyanic acid. Common derivatives include the colorless salts, such as potassium thiocyanate and sodium thiocyanate. Thiocyanates (SCN)- are resonance stabilized such that the sulfur or nitrogen can act as a nucleophile, a metal ligand, and serve as linkage isomers. It is an ambidentate ligand; (SCN)- can also bridge two (M-SCN-M) or even three metals. The Thiocyanate ion forms a complex with Fe3+ ions in solution, turning the solution into a blood red color.

Thiocyanate has the property of being a competitive inhibitor of the thyroid sodium-iodide symporter. It is used as a precursor for the synthesis of pharmaceuticals and other specialty chemicals. For example, it is employed to convert alkyl halides into the corresponding alkyl thiocyanates. It can act as a chaotropicagent, hence it can be used as a destaining agent. The chemical industry uses the thiocyante reagent to produce photographs and textiles.

  • Ammonium thiocyanate, 98+%
  • Ammonium thiocyanate, ACS, 97.5% min
  • Barium thiocyanate trihydrate, 98%
  • Cobalt(II) thiocyanate, 98+%
  • Copper(I) thiocyanate, 96% min
  • Lithium thiocyanate hydrate
  • Mercury(II) thiocyanate
  • Sodium thiocyanate, 96%
  • Sodium thiocyanate, ACS, 98.0% min


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