(E)-4,4,5,5-TETRAMETHYL-2-(2-(THIOPHEN-3-YL)VINYL)-1,3,2-DIOXABOROLANE

Modify Date: 2026-06-30 17:48:52

(E)-4,4,5,5-TETRAMETHYL-2-(2-(THIOPHEN-3-YL)VINYL)-1,3,2-DIOXABOROLANE structure	Common Name	(E)-4,4,5,5-TETRAMETHYL-2-(2-(THIOPHEN-3-YL)VINYL)-1,3,2-DIOXABOROLANE
	CAS Number	736987-75-0	Molecular Weight	236.13800
	Density	1.073 g/mL at 25ºC	Boiling Point	106-108ºC/0.2 mmHg
	Molecular Formula	C₁₂H₁₇BO₂S	Melting Point	N/A
	MSDS	N/A	Flash Point	N/A

Name	4,4,5,5-tetramethyl-2-[(E)-2-thiophen-3-ylethenyl]-1,3,2-dioxaborolane
Synonym	More Synonyms

Density	1.073 g/mL at 25ºC
Boiling Point	106-108ºC/0.2 mmHg
Molecular Formula	C₁₂H₁₇BO₂S
Molecular Weight	236.13800
Exact Mass	236.10400
PSA	46.70000
LogP	3.39270
Index of Refraction	n20/D 1.5376
InChIKey	MIMMTIXICVRKJI-FNORWQNLSA-N
SMILES	CC1(C)OB(C=Cc2ccsc2)OC1(C)C

MSDS(Chinese)

HS Code	2934999090

3-Ethynylthiophene

CAS#:67237-53-0

Bis(pinacolato)...

CAS#:73183-34-3

~78%

(E)-4,4,5,5-TET...

CAS#:736987-75-0

Learn More

Literature: Zhao, Jie; Niu, Zhiqiang; Fu, Hua; Li, Yadong Chemical Communications, 2014 , vol. 50, # 16 p. 2058 - 2060

3-Ethynylthiophene

CAS#:67237-53-0

Pinacolborane

CAS#:25015-63-8

~99%

(E)-4,4,5,5-TET...

CAS#:736987-75-0

Learn More

Literature: Haberberger, Michael; Enthaler, Stephan Chemistry - An Asian Journal, 2013 , vol. 8, # 1 p. 50 - 54

Precursor 3
CAS#:67237-53-0 3-Ethynylthiophene CAS#:73183-34-3 Bis(pinacolato)... CAS#:25015-63-8 Pinacolborane
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%

4,4,5,5-tetramethyl-2-[(E)-2-thiophen-3-ylvinyl]-1,3,2-dioxaborolane

(E)-4,4,5,5-tetramethyl-2-(2-(thiophen-3-yl)vinyl)-1,3,2-dioxaborolane

4,4,5,5-Tetramethyl-2-[(1E)-2-(3-thienyl)ethenyl]-1,3,2-dioxaborolane

E-2-(Thiophen-3-yl)vinylboronic acid pinacol ester

trans-2-(Thiophen-3-yl)vinylboronic acid pinacol ester

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: (E)-4,4,5,5-TETRAMETHYL-2-(2-(THIOPHEN-3-YL)VINYL)-1,3,2-DIOXABOROLANE
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Delivery: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

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Price: ￥2946/1g

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