55 to 60 °C (131 to 140 °F; 328 to 333 K) at 13 mmHg (1.7 kPa)
Solubility in water
Sparingly soluble
Hazards
Occupational safety and health (OHS/OSH):
Main hazards
Flammable
GHS labelling:
Pictograms
Signal word
Warning
Hazard statements
H226
Flash point
114 °C (237 °F; 387 K)
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
Chemical compound
1,2,3,4,5-Pentamethylcyclopentadiene is a cyclic diene with the formula C5(CH3)5H, often written C5Me5H, where Me is CH3.[3] It is a colorless liquid.[1]
1,2,3,4,5-Pentamethylcyclopentadiene is the precursor to the ligand 1,2,3,4,5-pentamethylcyclopentadienyl, which is often denoted Cp* (C5Me5) and read as "C P star", the "star" signifying the five methyl groups radiating from the core of the ligand. Thus, the 1,2,3,4,5-pentamethylcyclopentadiene's formula is also written Cp*H. In contrast to less-substituted cyclopentadiene derivatives, Cp*H is not prone to dimerization.
1,2,3,4,5-Pentamethylcyclopentadiene is a cyclic diene with the formula C5(CH3)5H, often written C5Me5H, where Me is CH3. It is a colorless liquid. 1,2...
Cyclopentadienone Di-tert-butylcyclopentadiene Methylcyclopentadiene Pentamethylcyclopentadiene Pentacyanocyclopentadiene Most of these substituted cyclopentadienes...
with the formula Cp*2ZrCl2 (where Cp* is C5(CH3)5, derived from pentamethylcyclopentadiene). It is a pale yellow, moisture sensitive solid that is soluble...
have been commercialized for the production of polypropylene. Pentamethylcyclopentadiene gives rise to pentamethylcyclopentadienyl (Cp*) complexes. These...
with the formula Cp*2TiCl2 (where Cp* is C5(CH3)5, derived from pentamethylcyclopentadiene). It is a red solid that is soluble in nonpolar organic solvents...
unusual rearrangement reaction with hydrohalic acids to form a pentamethylcyclopentadiene derivative, and consequently can be used as a starting material...
potassium tetrachloroplatinate results in the formation of a pentamethylcyclopentadiene complex, [(η4-Cp*H)PtCl2], indicating that the rhodium and iridium...
spectra of some [(η5-C5H4Me)Fe(CO)(L)I] complexes". J. Organomet. Chem. 339 (3): 339–343. doi:10.1016/S0022-328X(00)99395-1. Pentamethylcyclopentadiene...
as [HOEt 2][B(C 6F 5) 4]. Upon protonation, one equivalent of pentamethylcyclopentadiene is eliminated to produce the pentamethylcyclopentadienylsilicon(II)...
Decamethylferrocene is prepared in the same manner as ferrocene from pentamethylcyclopentadiene. This method can be used to produce other decamethylcyclopentadienyl...
complexes of fulvalene ligands. Bent metallocenes derived from pentamethylcyclopentadiene can undergo reactions involving the methyl groups. For example...
prepared by the reaction of hydrated iridium trichloride and pentamethylcyclopentadiene in hot methanol, from which the product precipitates 2 Cp*H +...
prepared by the reaction of hydrated ruthenium trichloride with pentamethylcyclopentadiene. 2 Cp*H + 2 RuCl3·3H2O → [Cp*RuCl2]2 + 2 HCl + 6 H2O The reaction...
Cp2TaH3. More soluble and better developed are derivatives of pentamethylcyclopentadiene such as Cp*TaCl4, Cp*2TaCl2, and Cp*2TaH3. Reduction of TaCl5...
prepared by the reaction of rhodium trichloride trihydrate and pentamethylcyclopentadiene in hot methanol, from which the product precipitates: 2 C5(CH3)5H...
stable trivalent state. When Sm(III) is complexed with C 5Me 5 (pentamethylcyclopentadiene) to give the compound (C 5Me 5) 3Sm, this trivalent species has...
tris(acetone) complex [(η5-C5Me5)Rh(Me2CO)3](BF4)2 by reaction with pentamethylcyclopentadiene, and the analogous iridium synthesis is also known. Decaisopropylrhodicnium...
such as the reaction of europium and pentamethylcyclopentadiene to generate light orange bis(pentamethylcyclopentadiene) europium; and the reaction between...
stabilization of this p-orbital is usually realized by coordination of a pentamethylcyclopentadiene (Cp*) ligand or of nitrogen (N), oxygen (O) or phosphorus (P)...
complex followed by further functionalization. Derivatives of pentamethylcyclopentadiene are also known, such as (C5Me5)2NbH3. Niobium carbonyls supported...
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