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Thiocyanate [6] is known to be an important part in the biosynthesis of hypothiocyanite by a lactoperoxidase. [7] [8] [9] Thus the complete absence of thiocyanate or reduced thiocyanate [10] in the human body, (e.g., cystic fibrosis) is damaging to the human host defense system.
Mercury(II) thiocyanate (Hg(SCN) 2) is an inorganic chemical compound, the coordination complex of Hg 2+ and the thiocyanate anion. It is a white powder. It is a white powder. It will produce a large, winding "snake" when ignited, an effect known as the Pharaoh's serpent .
The salts are composed of the thiocyanate ion ([SCN] −) and a suitable cation (e.g., ammonium thiocyanate, [NH 4] + [SCN] −). Isothiocyanic acid forms isothiocyanates R−N=C=S, where R stands for an organyl group. Thiocyanuric acid is a stable trimer of thiocyanic acid.
Ammonium thiocyanate can also be used to determine the iron content in soft drinks by colorimetry. Ammonium thiocyanate may also be used to separate quinidine, from liquors, after the isolation of quinine from the neutral, aqueous, sulphate solution. The salt is added to the hot solution and the gummy solid that forms is strained off from the ...
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This behavior is visualized by the color change brought about by reaction with thiocyanate: [Fe(H 2 O) 6] 3+ + SCN − ⇌ [Fe(SCN)(H 2 O) 5] 2+ + H 2 O. Whereas [Fe(H 2 O) 6] 3+ is nearly colorless, [Fe(SCN)(H 2 O) 5] 2+ is deep red. While iron(III) aquo complexes tend to convert to polymeric oxy-hydroxides, iron(III) complexes with other ...
In methyl thiocyanate, N≡C and C−S distances are 116 and 176 pm. By contrast, N=C and C=S distances are 117 and 158 pm in isothiocyanates. [7] Typical bond angles for C−S−C are 100°. [3] By contrast C−N=C in aryl isothiocyanates is 165°. Again, the thiocyanate isomers are quite different with C−S−C angle near 100°.
Potassium thiocyanate is the chemical compound with the molecular formula KSCN. It is an important salt of the thiocyanate anion , one of the pseudohalides . The compound has a low melting point relative to most other inorganic salts.