1,2,3,4-Tetramethylcyclopentadiene

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Names

[ CAS No. ]:
4249-10-9

[ Name ]:
1,2,3,4-Tetramethylcyclopentadiene

[Synonym ]:
1,2,3,4-Tetramethyl-1,3-cyclopentadiene
1,3-Cyclopentadiene, 1,2,3,4-tetramethyl-
1,2,3,4-tetramethyl-cyclopentadiene
1,2,3,4-Tetramethylcyclopenta-1,3-diene
1,2,3,4-Tetramethylcyclopentadiene
MFCD00145385
Tetramethylcyclopentadiene

Chemical & Physical Properties

[ Density]:
0.8±0.1 g/cm3

[ Boiling Point ]:
146.8±7.0 °C at 760 mmHg

[ Molecular Formula ]:
C9H14

[ Molecular Weight ]:
122.207

[ Flash Point ]:
27.5±13.0 °C

[ Exact Mass ]:
122.109550

[ LogP ]:
4.15

[ Vapour Pressure ]:
5.8±0.1 mmHg at 25°C

[ Index of Refraction ]:
1.470

[ Storage condition ]:
Refrigerator (+4°C) + Flammables area

[ Water Solubility ]:
Not miscible mix with mater.

MSDS

Click to get detail MSDS

Safety Information

[ Hazard Codes ]:
Xi

[ Risk Phrases ]:
R10

[ Safety Phrases ]:
S16

[ RIDADR ]:
UN 3295

[ WGK Germany ]:
3

[ Packaging Group ]:
III

[ HS Code ]:
2902199090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • 2,3,4,5-Tetramethyl-2-cyclopenten-1-one
  • 2,3,4,5-Tetramethylcyclopent-2-enol
  • Dimethyl sulfate
  • SODIUM CYCLOPENTADIENIDE
  • Cyclobutene, 1,2,3,3-tetramethyl-4-methylene
  • 3-chloro-1,2,3-trimethyl-4-methylidenecyclobutene
  • 2,3,5,6-tetramethyloxan-4-one
  • 3-Pentanone
  • 2,3,4-trimethylcyclopent-2-enone

DownStream

  • DIMETHYLBIS(2,3,4,5-TETRAMETHYL-2,4-CYCLOPENTADIEN-1-YL)SILANE
  • TRIMETHYL(2,3,4,5-TETRAMETHYL-2,4-CYCLOPENTADIEN-1-YL)SILANE
  • CHLORODIMETHYL(2,3,4,5-TETRAMETHYL-2,4-CYCLOPENTADIEN-1-YL)SILANE
  • N-TERT-BUTYL-1,1-DIMETHYL-1-(2,3,4,5-TETRAMETHYL-2,4-CYCLOPENTADIEN-1-YL) SILANAMINE

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

  • 5-n-butyl-1,2,3,4-tetramethylcyclopentadiene
  • 5-[(2-pyridyl)methyl]-1,2,3,4-tetramethylcyclopentadiene
  • 5-[2-(dimethylamino)ethyl]-1,2,3,4-tetramethylcyclopentadiene
  • 1,2,3,4-tetramethyl-5-(trifluoromethyl)cyclopenta-1,3-diene
  • 1,2,3,4-Tetrahydro-1-acetylquinoline
  • 1,2,3,4-tetrahydroquinoline-7-sulfonic acid,hydrate
  • 6-chloro-8-(2-chloroethyl)-3,4-dihydro-2H-1,5-benzodioxepine
  • 2-(2-Bromoethyl)-3-methylthiophene
  • (4-(2-Bromoethyl)phenyl)(trifluoromethyl)sulfane
  • {1-[(5-Methylthiophen-2-yl)methyl]pyrrolidin-3-yl}methanol
  • 2-(7-Chloro-1,3-dioxaindan-5-yl)acetaldehyde
  • 2-(7-Chlorobenzo[d][1,3]dioxol-5-yl)-N-methylethan-1-amine
  • 1-[5-(1-Benzothiophen-5-yl)furan-2-yl]ethan-1-one
  • 3-Fluoro-2-(trifluoromethyl)benzylamine hydrochloride
  • N-ethyl-N-(tetrahydrofuran-3-yl)piperidin-4-amine
  • Oxolan-3-yl(pyrimidin-2-yl)methanamine
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