924894-85-9

924894-85-9 structure

Name: 2,5-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thieno[3,2-b]thiophene
Chemical Name: 2,5-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thieno[3,2-b]thiophene
CAS Number: 924894-85-9
Molecular Formula: C₁₈H₂₆B₂O₄S₂
Molecular Weight: 392.149
Create Date: 2018-12-18 11:27:17
Modify Date: 2024-01-11 14:59:33

Name	2,5-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thieno[3,2-b]thiophene
Synonyms	Thieno[3,2-b]thiophene, 2,5-bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)- 4,4,5,5-tetramethyl-2-[5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thieno[3,2-b]thiophen-2-yl]-1,3,2-dioxaborolane 2,2'-Thieno[3,2-b]thiene-2,5-diylbis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane)

Density	1.2±0.1 g/cm3
Boiling Point	501.0±45.0 °C at 760 mmHg
Molecular Formula	C₁₈H₂₆B₂O₄S₂
Molecular Weight	392.149
Flash Point	256.8±28.7 °C
Exact Mass	392.145874
PSA	93.40000
LogP	3.56120
Vapour Pressure	0.0±1.2 mmHg at 25°C
Index of Refraction	1.551

RIDADR	NONH for all modes of transport
HS Code	2934999090

251-41-2

61676-62-8

~63%

924894-85-9

Literature: VERTEX PHARMACEUTICALS INCORPORATED; DAS, Sanjoy Kumar; BENNANI, Youssef L. Patent: WO2011/119853 A1, 2011 ; Location in patent: Page/Page column 126-127 ;

25121-87-3

61676-62-8

~5%

924894-85-9

Literature: Bijleveld, Johan C.; Verstrijden, R. A. Melanie; Wienk, Martijn M.; Janssen, Rene A. J. Journal of Materials Chemistry, 2011 , vol. 21, # 25 p. 9224 - 9231

Precursor 3
251-41-2 61676-62-8 25121-87-3
DownStream 0

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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