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

Modify Date: 2024-01-07 11:34:58

5,5,10,10-Tetramethyl-inden[2,1-a]indene Structure
5,5,10,10-Tetramethyl-inden[2,1-a]indene structure
 Common Name 5,5,10,10-Tetramethyl-inden[2,1-a]indene
CAS Number 89057-44-3 Molecular Weight 260.373
Density 1.1±0.1 g/cm3 Boiling Point 343.6±42.0 °C at 760 mmHg
Molecular Formula C20H20 Melting Point N/A
MSDS N/A Flash Point 171.8±18.6 °C

 Names

Name 5,5,10,10-tetramethylindeno[2,1-a]indene
Synonym More Synonyms

 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

5,10-Dihydroindeno[2,1-a]indene structure

5,10-Dihydroind...

CAS#:6543-29-9

methyl iodide structure

methyl iodide

CAS#:74-88-4

~76%

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

5,5,10,10-Tetra...

CAS#:89057-44-3

Literature: SAMSUNG DISPLAY CO., LTD.; Kim, Soo-Yon; Hwang, Seok-Hwan; Kim, Young-Kook; Jung, Hye-Jin; Lim, Jin-O; Han, Sang-Hyun; Jeong, Eun-Jae; Park, Jun-Ha; Lee, Eun-Young; Lee, Bo-Ra; Lee, Jong-Hyuk Patent: US2014/27721 A1, 2014 ; Location in patent: Paragraph 0127; 0131 ;
5,5,10,10-tetramethyl-4b,5,9b,10-tetrahydro-indeno[2,1-a]indene structure

5,5,10,10-tetra...

CAS#:791-74-2

~%

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

5,5,10,10-Tetra...

CAS#:89057-44-3

Literature: Hancock,J.E.H.; Pavia,D.L. Journal of Organic Chemistry, 1961 , vol. 26, p. 4350 - 4352
METHYLLITHIUM structure

METHYLLITHIUM

CAS#:917-54-4

5,6,11,12-Tetrabromodibenzo[a,e][8]annulene structure

5,6,11,12-Tetra...

CAS#:91861-63-1

~%

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

5,5,10,10-Tetra...

CAS#:89057-44-3

Literature: Hellwinkel, Dieter; Hasselbach, Hans-Joachim; Laemmerzahl, Frank Angewandte Chemie, 1984 , vol. 96, # 9 p. 713 - 714

 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%

 Synonyms

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
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Related Compounds: More...
5,5,10,10-tetramethyl-4b,5,9b,10-tetrahydro-indeno[2,1-a]indene
791-74-2
5,5,10,10-tetrachloro-5,10-dihydro-indeno[2,1-a]indene
858509-82-7
5,10-Dihydroindeno[2,1-a]indene
6543-29-9
5,10-diphenylindeno[2,1-a]indene
1687-94-1
2-Nitro-5,10-dithia-indeno[2,1-a]indene
74102-24-2
Indeno[2,1-a]indene, 5,10-dichloro-
60491-13-6
4b,9b-dihydroindeno[2,1-a]indene-5,10-dione
50703-54-3
2,7-Dinitro-4b,9b-dihydroindeno[2,1-a]indene-5,10-dione
16293-81-5
4b-bromo-5.10-dioxo-4b.5.9b.10-tetrahydro-indeno[2.1-a]inden, optically inactive
112175-34-5
Chemsrc provides 5,5,10,10-Tetramethyl-inden[2,1-a]indene(CAS#:89057-44-3) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Articles of 5,5,10,10-Tetramethyl-inden[2,1-a]indene are included as well.>> amp version: 5,5,10,10-Tetramethyl-inden[2,1-a]indene

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