Collins reagent
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This article is about the oxidizing reagent. For the oxidation reaction, see Collins oxidation.
Collins reagent is the complex of chromium(VI) oxide with pyridine in dichloromethane.[2] This metal-pyridine complex, a red solid, is used to oxidize primary alcohols to the corresponding aldehydes and secondary alcohols to the corresponding ketones. This complex is a hygroscopic orange solid.[1]
Quick Facts Names, Identifiers ...
Names | |
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IUPAC name
Pyridine - trioxochromium (2:1) | |
Other names
Dipyridine chromium(VI) oxide[1] | |
Identifiers | |
3D model (JSmol) |
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ChemSpider | |
PubChem CID |
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Properties | |
C10H10CrN2O3 | |
Molar mass | 258.194 |
Appearance | Red crystals[1] |
Density | 1.565 g/cm3 |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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