5,5,10,10-Tetramethyl-inden[2,1-a]indene

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Names

[ CAS No. ]:
89057-44-3

[ Name ]:
5,5,10,10-Tetramethyl-inden[2,1-a]indene

[Synonym ]:
Indeno[2,1-a]indene, 5,10-dihydro-5,5,10,10-tetramethyl-
Indeno[2,1-a]indene,5,10-dihydro-5,5,10,10-tetramethyl
5,5,10,10-Tetramethyl-5,10-dihydroindeno[2,1-a]indene
5,5,10,10-Tetramethyl-5,10-dihydroindeno<2,1-a>inden

Chemical & Physical Properties

[ Density]:
1.1±0.1 g/cm3

[ Boiling Point ]:
343.6±42.0 °C at 760 mmHg

[ Molecular Formula ]:
C20H20

[ Molecular Weight ]:
260.373

[ Flash Point ]:
171.8±18.6 °C

[ Exact Mass ]:
260.156494

[ LogP ]:
7.72

[ Vapour Pressure ]:
0.0±0.4 mmHg at 25°C

[ Index of Refraction ]:
1.627

Safety Information

[ HS Code ]:
2902909090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • 5,10-Dihydroindeno[2,1-a]indene
  • methyl iodide
  • 5,5,10,10-tetramethyl-4b,5,9b,10-tetrahydro-indeno[2,1-a]indene
  • METHYLLITHIUM

DownStream

Customs

[ HS Code ]: 2902909090

[ Summary ]:
2902909090 other aromatic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%

Related Compounds

  • 5,5,10,10-tetramethyl-4b,5,9b,10-tetrahydro-indeno[2,1-a]indene
  • 5,5,10,10-tetrachloro-5,10-dihydro-indeno[2,1-a]indene
  • 5,10-Dihydroindeno[2,1-a]indene
  • 5,10-diphenylindeno[2,1-a]indene
  • 2-Nitro-5,10-dithia-indeno[2,1-a]indene
  • Indeno[2,1-a]indene, 5,10-dichloro-
  • 2-(Chloromethyl)-3-(difluoromethyl)-5-iodopyridine-4-carboxaldehyde
  • 2-(Chloromethyl)-3-(difluoromethyl)-6-iodo-5-(trifluoromethoxy)pyridine
  • 2-(Bromomethyl)-5-(difluoromethyl)-4-iodopyridine-3-carboxaldehyde
  • 2-(Bromomethyl)-4-(difluoromethyl)-6-fluoropyridine-3-acetic acid
  • 2-(Bromomethyl)-4-chloro-3-(difluoromethyl)-6-iodopyridine
  • 2-(Bromomethyl)-5-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-3-sulfonyl chloride
  • 2-(Bromomethyl)-4-(difluoromethyl)-5-iodo-3-methoxypyridine
  • 2-(Chloromethyl)-3-(difluoromethyl)-4-hydroxy-5-nitropyridine
  • 2-(Bromomethyl)-4-cyano-3-(difluoromethyl)pyridine-6-acetonitrile
  • 2-(Chloromethyl)-3-cyano-4-(difluoromethyl)pyridine-5-acetonitrile
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