239075-02-6

239075-02-6 structure

Name: 5,5'-BIS(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)-2,2'-BITHIOPHENE
Chemical Name: 4,4,5,5-tetramethyl-2-[5-[5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiophen-2-yl]thiophen-2-yl]-1,3,2-dioxaborolane
CAS Number: 239075-02-6
Molecular Formula: C₂₀H₂₈B₂O₄S₂
Molecular Weight: 418.18600
Create Date: 2018-11-25 10:02:44
Modify Date: 2025-08-22 23:45:13

Name	4,4,5,5-tetramethyl-2-[5-[5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiophen-2-yl]thiophen-2-yl]-1,3,2-dioxaborolane
Synonyms	2,2'-[2,2']-bithiophenyl-5,5'-ylbis(4,4,5,5-tetramethyl)[1,3,2]dioxaborolane MFCD06798112 5,5'-di(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2,2'-bithiophene 2,2'-Bithiophene-5,5'-diboronic Acid Bis(pinacol) Ester 2,5'-bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)bithiophene 2,2'-BIS(DICYCLOHEXYLPHOSPHINO)-1,1'-BINAPHTHYL 5,5'-Bis(4,4,5,5-tetraMethyl-1,3,2-dioxaborolan-2-yl)-2,2'-bithiophene 2,2'-Bithiophene-5,5'-diboronic acid pinacol ester 2,5-bis(4,4,5,5-tetramethyl[1,3,2]dioxaborolan-2-yl)-2,2-bithiophene 2,2'-bithiophene-5,5'-diboronic acid bis(pinacolyl) ester

Density	1.17g/cm3
Boiling Point	530.458ºC at 760 mmHg
Melting Point	208-212ºC
Molecular Formula	C₂₀H₂₈B₂O₄S₂
Molecular Weight	418.18600
Flash Point	274.612ºC
Exact Mass	418.16200
PSA	93.40000
LogP	4.07500
Vapour Pressure	0mmHg at 25°C
Index of Refraction	1.546

Personal Protective Equipment	Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
RIDADR	NONH for all modes of transport
HS Code	2934999090

76-09-5

492-97-7

~84%

239075-02-6

Literature: THE UNIVERSITY OF MANCHESTER; INGLESON, Michael James Patent: WO2012/25760 A1, 2012 ; Location in patent: Page/Page column 49-50 ;

61676-62-8

492-97-7

~69%

239075-02-6

Literature: Li, Yaowen; Li, Zaifang; Wang, Chunyu; Li, Hui; Lu, Hongguang; Xu, Bin; Tian, Wenjing Journal of Polymer Science, Part A: Polymer Chemistry, 2010 , vol. 48, # 13 p. 2765 - 2776

76-09-5

492-97-7

~0%

479719-88-5

239075-02-6

Literature: Journal of Organic Chemistry, , vol. 67, # 25 p. 8877 - 8884

76-09-5

492-97-7

10294-34-5

~85%

239075-02-6

Literature: Del Grosso, Alessandro; Helm, Matthew D.; Solomon, Sophia A.; Caras-Quintero, Dolores; Ingleson, Michael J. Chemical Communications, 2011 , vol. 47, # 46 p. 12459 - 12461

492-97-7

239075-02-6

Literature: Chemical Communications, , vol. 47, # 46 p. 12459 - 12461

76-09-5

1412912-74-3

239075-02-6

Literature: Del Grosso, Alessandro; Helm, Matthew D.; Solomon, Sophia A.; Caras-Quintero, Dolores; Ingleson, Michael J. Chemical Communications, 2011 , vol. 47, # 46 p. 12459 - 12461

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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