Magic blue
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| Identifiers | |
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24964-91-8 salt 37881-41-7 cation |
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| Properties | |
| C18H12Br3Cl6NSb | |
| Molar mass | 816.47 g·mol−1 |
| Appearance | blue solid |
| Melting point | 141 to 142 °C (286 to 288 °F; 414 to 415 K) |
| acetonitrile | |
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Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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| Infobox references | |
Tris(4-bromophenyl)ammoniumyl hexachloroantimonate is the organic compound with the formula [(4-BrC6H4)3N]SbCl6. Commonly known as magic blue, it is the hexachloroantimonate salt of an amine radical cation. It is a blue solid that reacts with many solvents but is soluble in acetonitrile. The compound is a popular oxidizing agent in organic and organometallic chemistry, with a reduction potential of 0.7 V vs. ferrocene/ferrocenium (MeCN solution).
The structure of the cation consists of a three-bladed propeller structure with a planar amine. It is nearly identical to the parent triphenylamine. The weakly coordinating anion is SbCl6-, which is octahedral.
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