Pentamethylcyclopentadiene

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Names

[ CAS No. ]:
4045-44-7

[ Name ]:
Pentamethylcyclopentadiene

[Synonym ]:
1,2,3,4,5-Pentamethylcyclopentadiene
EINECS 223-743-4
1,2,3,4,5-Pentamethyl-1,3-cyclopentadiene
cyclopentadiene, 1,2,3,4,5-pentamethyl-
1,3-Cyclopentadiene, 1,2,3,4,5-pentamethyl-
Pentamethylcyclopentadiene
1,2,3,4,5-pentamethylcyclopenta-1,3-diene
MFCD00001354

Chemical & Physical Properties

[ Density]:
0.8±0.1 g/cm3

[ Boiling Point ]:
170.2±0.0 °C at 760 mmHg

[ Melting Point ]:
236ºC

[ Molecular Formula ]:
C10H16

[ Molecular Weight ]:
136.234

[ Flash Point ]:
44.4±0.0 °C

[ Exact Mass ]:
136.125198

[ LogP ]:
4.64

[ Vapour Pressure ]:
2.0±0.1 mmHg at 25°C

[ Index of Refraction ]:
1.460

[ Storage condition ]:
−20°C

MSDS

Click to get detail MSDS

Safety Information

[ Hazard Codes ]:
Xn: Harmful;

[ Risk Phrases ]:
R10

[ Safety Phrases ]:
S16

[ RIDADR ]:
UN 3295 3/PG 3

[ WGK Germany ]:
3

[ Packaging Group ]:
III

[ Hazard Class ]:
3

[ HS Code ]:
29021990

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • 3,4,5-trimethylhepta-2,5-dien-4-ol
  • 2,3,4,5-Tetramethyl-2-cyclopenten-1-one
  • Methylmagnesium chloride
  • (4-bromophenyl)(1,2,3,4,5-pentamethyl-2,4-cyclopentadienyl)methanol
  • methyl 4-[(hydroxy)(1,2,3,4,5-pentamethyl-2,4-cyclopentadienyl)methyl]benzoate
  • (2-naphthyl)(1,2,3,4,5-pentamethyl-2,4-cyclopentadienyl)methanol
  • 10-chloro-1-(1,2,3,4,5-pentamethyl-2,4-cyclopentadienyl)-1-decanol
  • 1-(1,2,3,4,5-pentamethyl-2,4-cyclopentadienyl)-1-dodecanol
  • 1-(1,2,3,4,5-pentamethyl-2,4-cyclopentadienyl)-3-phenyl-1-propanol

DownStream

  • 2,4-Cyclopentadiene-1-carbonyl chloride, 1,2,3,4,5-pentamethyl- (9CI)
  • (1,2,3,4,5-pentamethylcyclopenta-2,4-dien-1-yl)selanylbenzene
  • Sodium pentamethylcyclopentadienide solution
  • potassium pentamethylcyclopentadienide
  • BROMOPENTAMETHYLBENZENE
  • bis(pentamethylcyclopentadienyl)ruthenium
  • Dichloro(pentamethylcyclopentadienyl)ruthenium(III) polymer
  • bis(pentamethylcyclopentadienyl)hafnium dichloride
  • lithium,1,2,3,5,5-pentamethylcyclopenta-1,3-diene
  • BIS(PENTAMETHYLCYCLOPENTADIENYL)MAGNESIUM

Customs

[ HS Code ]: 2902199090

[ Summary ]:
2902199090 other cyclanes, cyclenes and cyclotherpenes。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%

Related Compounds

  • Lithium pentamethylcyclopentadiene
  • 1-Acetylpentamethylcyclopentadiene
  • (benzyl)pentamethylcyclopentadiene
  • potassium pentamethylcyclopentadiene
  • [(pentamethylcyclopentadiene)(PMe3)IrBn2]
  • 5-nitro-1,2,3,4,5-pentamethylcyclopentadiene
  • N-(3-(1H-pyrrolo[2,3-b]pyridin-1-yl)propyl)-4-isopropoxybenzamide
  • 2-Fluoro-3'-(trifluoromethyl)-[1,1'-biphenyl]-4-carbaldehyde
  • N-(3-(1H-pyrrolo[2,3-b]pyridin-1-yl)propyl)-3,4,5-triethoxybenzamide
  • N-(3-(1H-pyrrolo[2,3-b]pyridin-1-yl)propyl)-2-fluorobenzamide
  • N-(3-(1H-pyrrolo[2,3-b]pyridin-1-yl)propyl)-2,5-dichlorobenzamide
  • N-(3-(1H-pyrrolo[2,3-b]pyridin-1-yl)propyl)-2-(4-chlorophenoxy)-2-methylpropanamide
  • N-(3-(1H-pyrrolo[2,3-b]pyridin-1-yl)propyl)-4-(N,N-dimethylsulfamoyl)benzamide
  • N-(3-(1H-pyrrolo[2,3-b]pyridin-1-yl)propyl)-9H-xanthene-9-carboxamide
  • N-(3-(1H-pyrrolo[2,3-b]pyridin-1-yl)propyl)-1-(4-fluorophenyl)-5-oxopyrrolidine-3-carboxamide
  • N-(3-(1H-pyrrolo[2,3-b]pyridin-1-yl)propyl)benzo[d]thiazole-2-carboxamide
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