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2-((tert-Butyldimethylsilanyl)ethynyl)-4,4,5,5-tetramethyl-(1,3,2)dioxaborolane

2-((tert-Butyldimethylsilanyl)ethynyl)-4,4,5,5-tetramethyl-(1,3,2)dioxaborolane structure

CAS No.: 1073355-02-8

Chemical Name:: 2-((tert-Butyldimethylsilanyl)ethynyl)-4,4,5,5-tetramethyl-(1,3,2)dioxaborolane

Synonyms: (tert-Butyldimethylsilyl)ethynylboronic Acid Pinacol Ester;2-((tert-Butyldimethylsilanyl)ethynyl) boronic acid pinacol ester;2-((tert-Butyldimethylsilanyl)ethynyl) boronic acid pinacol ester;tert-ButyldiMethyl((4,4,5,5-tetraMethyl-1,3,2-dioxaborolan-2-yl)ethynyl)silane;2-((tert-Butyldimethylsilanyl)ethynyl)-4,4,5,5-tetramethyl-(1,3,2)dioxaborolane;tert-butyldimethyl(2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)ethynyl)silane;2-[2-[(1,1-Dimethylethyl)dimethylsilyl]ethynyl]-4,4,5,5-tetramethyl-1,3,2-dioxaborolane;1,3,2-Dioxaborolane, 2-[2-[(1,1-dimethylethyl)dimethylsilyl]ethynyl]-4,4,5,5-tetramethyl-;tert-butyl-dimethyl-[2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)ethynyl]silane - [B81287]

CBNumber:: CB02095668

Molecular Formula:: C14H27BO2Si

Molecular Weight:: 266.26

MDL Number:: MFCD09265092

MOL File:: 1073355-02-8.mol

MSDS File:: SDS

TDS File:: TDS

Last updated:2026-05-27 17:23:04

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2-((tert-Butyldimethylsilanyl)ethynyl)-4,4,5,5-tetramethyl-(1,3,2)dioxaborolane Properties

Melting point	159-164 °C
storage temp.	-20°C
form	solid
InChI	1S/C14H27BO2Si/c1-12(2,3)18(8,9)11-10-15-16-13(4,5)14(6,7)17-15/h1-9H3
InChIKey	LBGATPGTEQCHFP-UHFFFAOYSA-N
SMILES	CC(C)(C)[Si](C)(C)C#CB1OC(C)(C)C(C)(C)O1
UNSPSC Code	12352103
NACRES	NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)	GHS07
Signal word	Warning
Hazard statements	H302-H312-H332
Precautionary statements	P261-P264-P270-P271-P280-P301+P312-P302+P352-P312-P322-P330-P363-P304+P340-P501
WGK Germany	3
HS Code	2931900090
Storage Class	11 - Combustible Solids

2-((tert-Butyldimethylsilanyl)ethynyl)-4,4,5,5-tetramethyl-(1,3,2)dioxaborolane price More Price(28)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	676659	2-((tert-Butyldimethylsilanyl)ethynyl) boronic acid pinacol ester 97%	1073355-02-8	1g	$497	2026-04-30	Buy
Sigma-Aldrich	676659	2-((tert-Butyldimethylsilanyl)ethynyl) boronic acid pinacol ester 97%	1073355-02-8	5g	$1670	2026-04-30	Buy
Apolloscientific	OR361614	2-((tert-Butyldimethylsilanyl)ethynyl) boronic acid, pinacol ester ≥95%	1073355-02-8	250mg	$135	2026-06-04	Buy
Apolloscientific	OR361614	2-((tert-Butyldimethylsilanyl)ethynyl) boronic acid, pinacol ester ≥95%	1073355-02-8	1g	$336	2026-06-04	Buy
Matrix Scientific	092791	tert-Butyldimethyl((4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)ethynyl)silane	1073355-02-8	250.00mg	$189	2026-05-18	Buy

Product number	Packaging	Price	Buy
676659	1g	$497	Buy
676659	5g	$1670	Buy
OR361614	250mg	$135	Buy
OR361614	1g	$336	Buy
092791	250.00mg	$189	Buy

2-((tert-Butyldimethylsilanyl)ethynyl)-4,4,5,5-tetramethyl-(1,3,2)dioxaborolane Preparation Products And Raw materials

Raw materials

Preparation Products

2-((tert-Butyldimethylsilanyl)ethynyl)-4,4,5,5-tetramethyl-(1,3,2)dioxaborolane Suppliers

Global Suppliers ( 27)

Supplier	Tel	Email	Country	ProdList	Advantage
Energy Chemical	400-0056266	sales8178@energy-chemical.com	China	44850	61
Wuhan Chemwish Technology Co., Ltd	86-027-67849912	sales@chemwish.com	China	35884	56
Shanghai Hanhong Scientific Co.,Ltd.	021-54306202 13764082696	info@hanhongsci.com	China	42917	64
Jiangsu Aikon Biopharmaceutical R&D co.,Ltd.	025-66113011 13913916777	cfzhang@aikonchem.com	China	19902	55
9ding chemical ( Shanghai) Limited	4009209199	sales@9dingchem.com	China	18201	56
Chengdu Aslee Biopharmaceuticals, Inc	028-85305008 02885305008	2306208234@qq.com	China	1006	50
Sigma-Aldrich	021-61415566 800-8193336	orderCN@merckgroup.com	China	51389	80
Wuhan Chemwish Technology Co.， Ltd	027-67849912	sales@chemwish.com	China	9144	60
Wuhan Chemwish Technology Co., Ltd	027-67849912	sales@chemwish.com	CHINA	10817	58
Chengdu Aslee Biopharmaceuticals, Inc.	28-85305008		CHINA	964	58

Supplier	Advantage
Energy Chemical	61
Wuhan Chemwish Technology Co., Ltd	56
Shanghai Hanhong Scientific Co.,Ltd.	64
Jiangsu Aikon Biopharmaceutical R&D co.,Ltd.	55
9ding chemical ( Shanghai) Limited	56
Chengdu Aslee Biopharmaceuticals, Inc	50
Sigma-Aldrich	80
Wuhan Chemwish Technology Co.， Ltd	60
Wuhan Chemwish Technology Co., Ltd	58
Chengdu Aslee Biopharmaceuticals, Inc.	58

1073355-02-8 (2-((tert-Butyldimethylsilanyl)ethynyl)-4,4,5,5-tetramethyl-(1,3,2)dioxaborolane) Related Search:

tert-Butyldimethylsilylacetylene Trimethylsilylethynylboronic acid 2-(Trimethylsilyl)acetylene-1-boronic acid diisopropyl ester 2-((tert-Butyldimethylsilanyl)ethynyl)-4,4,5,5-tetramethyl-(1,3,2)dioxaborolane

2-((tert-Butyldimethylsilanyl)ethynyl) boronic acid pinacol ester 2-((tert-Butyldimethylsilanyl)ethynyl)-4,4,5,5-tetramethyl-(1,3,2)dioxaborolane tert-ButyldiMethyl((4,4,5,5-tetraMethyl-1,3,2-dioxaborolan-2-yl)ethynyl)silane 2-[2-[(1,1-Dimethylethyl)dimethylsilyl]ethynyl]-4,4,5,5-tetramethyl-1,3,2-dioxaborolane tert-butyldimethyl(2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)ethynyl)silane 1,3,2-Dioxaborolane, 2-[2-[(1,1-dimethylethyl)dimethylsilyl]ethynyl]-4,4,5,5-tetramethyl- (tert-Butyldimethylsilyl)ethynylboronic Acid Pinacol Ester 2-((tert-Butyldimethylsilanyl)ethynyl) boronic acid pinacol ester tert-butyl-dimethyl-[2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)ethynyl]silane - [B81287] 1073355-02-8 C25H44O3Si C14H27BO2Si