High Quality Content by WIKIPEDIA articles! 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. Dilute aqueous KSCN is occasionally used for moderately realistic blood effects in film and theater. It can be painted onto a surface or kept as a colourless solution. When in contact with ferric chloride solution (or Iron (III) Chloride), the product of the reaction is a blood red solution. Thus this chemical is often used to create the effect of 'stigmata'. Because both solutions are colourless, they can be placed separately on each hand. When the hands are brought into contact, the solutions react and the effect looks remarkably like stigmata.

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