(9,9-Dihexyl-9H-fluorene-2,7-diyl)diboronic acid

Modify Date: 2025-08-25 10:25:46

(9,9-Dihexyl-9H-fluorene-2,7-diyl)diboronic acid Structure
(9,9-Dihexyl-9H-fluorene-2,7-diyl)diboronic acid structure
Common Name (9,9-Dihexyl-9H-fluorene-2,7-diyl)diboronic acid
CAS Number 203927-98-4 Molecular Weight 422.173
Density 1.1±0.1 g/cm3 Boiling Point 636.8±65.0 °C at 760 mmHg
Molecular Formula C25H36B2O4 Melting Point >300ºC(lit.)
MSDS Chinese USA Flash Point 338.9±34.3 °C

 Names

Name (7-borono-9,9-dihexylfluoren-2-yl)boronic acid
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.1±0.1 g/cm3
Boiling Point 636.8±65.0 °C at 760 mmHg
Melting Point >300ºC(lit.)
Molecular Formula C25H36B2O4
Molecular Weight 422.173
Flash Point 338.9±34.3 °C
Exact Mass 422.279968
PSA 80.92000
LogP 9.25
Vapour Pressure 0.0±2.0 mmHg at 25°C
Index of Refraction 1.568

 Safety Information

Personal Protective Equipment Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard Codes Xi
RIDADR NONH for all modes of transport
WGK Germany 3
HS Code 2916399090

 Synthetic Route

~59%

(9,9-Dihexyl-9H-fluorene-2,7-diyl)diboronic acid Structure

(9,9-Dihexyl-9H...

CAS#:203927-98-4

Literature: Yu, Wang-Lin; Pei, Jian; Cao, Yong; Huang, Wei; Heeger, Alan J. Chemical Communications, 1999 , # 18 p. 1837 - 1838

~63%

(9,9-Dihexyl-9H-fluorene-2,7-diyl)diboronic acid Structure

(9,9-Dihexyl-9H...

CAS#:203927-98-4

Literature: National University Of Singapore Patent: US2007/290199 A1, 2007 ;

~78%

(9,9-Dihexyl-9H-fluorene-2,7-diyl)diboronic acid Structure

(9,9-Dihexyl-9H...

CAS#:203927-98-4

Literature: Lin, Tzu-Chau; Li, Mei-Ling; Liu, Che-Yu; Tsai, Ming-Yu; Lee, Ying-Hsuan; Febriani, Yuyun; Lin, Ja-Hon; Shen, Yu-Kai European Journal of Organic Chemistry, 2014 , vol. 2014, # 8 p. 1615 - 1621

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(9,9-Dihexyl-9H-fluorene-2,7-diyl)diboronic acid Structure

(9,9-Dihexyl-9H...

CAS#:203927-98-4

Literature: Chemical Communications, , # 27 p. 3397 - 3399

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(9,9-Dihexyl-9H-fluorene-2,7-diyl)diboronic acid Structure

(9,9-Dihexyl-9H...

CAS#:203927-98-4

Literature: Chemical Communications, , # 27 p. 3397 - 3399

~86%

(9,9-Dihexyl-9H-fluorene-2,7-diyl)diboronic acid Structure

(9,9-Dihexyl-9H...

CAS#:203927-98-4

Literature: Hughes, Gregory; Wang, Changsheng; Batsanov, Andrei S.; Fern, Michael; Frank, Stephen; Bryce, Martin R.; Perepichka, Igor F.; Monkman, Andrew P.; Lyons, Benjamin P. Organic and Biomolecular Chemistry, 2003 , vol. 1, # 17 p. 3069 - 3077

~%

(9,9-Dihexyl-9H-fluorene-2,7-diyl)diboronic acid Structure

(9,9-Dihexyl-9H...

CAS#:203927-98-4

Literature: Macromolecules, , vol. 36, # 19 p. 6995 - 7003

 Customs

HS Code 2916399090
Summary 2916399090 other aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

 Synonyms

9,9'-dihexylfluorene-2,7-diboronic acid
9,9-bis-n-hexylfluoerene-2,7-diboronic acid
MFCD03427279
Boronic acid, B,B'-(9,9-dihexyl-9H-fluorene-2,7-diyl)bis-
9,9-dihexyl-9H-fluorene-2,7-diyldiboronic acid
(9,9-Dihexyl-9H-fluorene-2,7-diyl)diboronic acid
9,9-dihexylfluoren-2,7-yldiboronic acid
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