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bis(η5-cyclopenta-2,4-dien-1-yl)chromium (1271-24-5)

Identification
Name:bis(η5-cyclopenta-2,4-dien-1-yl)chromium
Synonyms:Chromium,di-p-cyclopentadienyl- (8CI);Chromium, dicyclopentadienyl- (6CI,7CI); Bis(cyclopentadiene)chromium;Bis(cyclopentadiene)chromium(II); Bis(cyclopentadienyl)chromium;Bis(cyclopentadienyl)chromium(II); Bis(h5-cyclopentadienyl)chromium; Chromium, bis(h5-2,4-cyclopentadien-1-yl)-; Di(h5-cyclopentadienyl)chromium;Dicyclopentadienylchromium
CAS:1271-24-5
EINECS: 215-036-4
Molecular Formula: C10H10Cr
Molecular Weight: 182.18
InChI: InChI=1/2C5H5.Cr/c2*1-2-4-5-3-1;/h2*1-5H;/q2*-1;+2
Molecular Structure: (C10H10Cr) Chromium,di-p-cyclopentadienyl- (8CI);Chromium, dicyclopentadienyl- (6CI,7CI); Bis(cyclopentadiene)c...
Properties
Transport:UN# 2846
Flash Point: °C
Density:g/cm3
Water Solubility:insoluble in water
Solubility:insoluble in water
Appearance:bordeaux crystalline powder
Specification:

 Chromocene (CAS NO.1271-24-5), its Synonyms are Bis(cyclopentadiene)chromium ; Bis(cyclopentadiene)chromium(II) ; Bis(cyclopentadienyl)chromium ; Bis(cyclopentadienyl)chromium(II) ; CCRIS 5974 ; Chromium, dicyclopentadienyl- ; Di((eta-5)-cyclopentadienyl)chromium ; Dicyclopentadienylchromium ; Bis(eta5-cyclopenta-2,4-dien-1-yl)chromium . It is very sensitive to exposure to air and moisture (decomposition is not vigorous). 
 Chromocene reacts with water and alcohols. . It's reaction with alcohols produces pyrophoric metal alkoxides (dialkoxychromium and cyclopentadiene).It is often abbreviated Cp2Cr. This sandwich compound is structurally similar to ferrocene but does not follow the 18-electron rule because it only has 16 electrons and therefore it also paramagnetic and far more reactive.

Packinggroup: I
Flash Point: °C
Sensitive: Air & Moisture Sensitive
Safety Data
Hazard Symbols Xi:Irritant
 

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