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Additional recommended knowledge
The chromium atom is surrounded by six nitrogen atoms in an octahedral geometry; the NH3 ligands are mutually trans. The salt crystallizes with one molecule of water. It was first reported in 1863.
This salt was once widely used to precipitate primary and secondary amines as their ammonium salts. Included in the amines that effectively form crystalline precipitates are those derived from the amino acids, including proline and hydroxyproline. It also reacts with Hg2+ compounds, giving a red color or a red precipitate.
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Reinecke's_salt". A list of authors is available in Wikipedia.|