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ChemicalBook >> CAS DataBase List >> 3-(4,4,5,5-Tetramethyl-[1,3,2]dioxaborolan-2-yl)-phenylethynyl-trimethylsilane

3-(4,4,5,5-Tetramethyl-[1,3,2]dioxaborolan-2-yl)-phenylethynyl-trimethylsilane

$24 - $2348
Product name: 3-(4,4,5,5-Tetramethyl-[1,3,2]dioxaborolan-2-yl)-phenylethynyl-trimethylsilane
CAS: 915402-03-8
MF: C17H25BO2Si
MW: 300.28
EINECS:
MDL Number:MFCD08706285
Synonyms:trimethyl(2-(3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethynyl)silane;3-[(Trimethylsilyl)ethynyl]phenylboronic acid pinacol ester;4,4,5,5-Tetramethyl-2-(3-trimethylsilanylethynyl-phenyl)-[1,3,2]dioxaborolane;3-[2-(TriMethylsilyl)ethynyl]benzeneboronic acid pinacol ester, 97%;3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)trimethylsilylethynylbenzene;Trimethyl((3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethynyl)silane;1,3,2-Dioxaborolane, 4,4,5,5-tetramethyl-2-[3-[2-(trimethylsilyl)ethynyl]phenyl]-

Price27 Properties Safety Information Description

27 prices

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aablocks
ACHEMBLOCK
AK Scientific
Apolloscientific
Crysdot
Matrix Scientific
Sigma-Aldrich
Thermo Scientific Chemicals
TRC
Usbiological

Package

100mg
250mg
500.00mg
500mg
1.00g
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5g
10g
25g

Manufactureraablocks
Product numberAA006L3O
Product description3-(4,4,5,5-Tetramethyl-[1,3,2]dioxaborolan-2-YL)-phenylethynyl-trimethylsilane 95%
Packaging1g
Price$59
Updated2026-05-28
Buy

Manufactureraablocks
Product numberAA006L3O
Product description3-(4,4,5,5-Tetramethyl-[1,3,2]dioxaborolan-2-YL)-phenylethynyl-trimethylsilane 96%
Packaging5g
Price$218
Updated2026-05-28
Buy

Manufactureraablocks
Product numberAA006L3O
Product description3-(4,4,5,5-Tetramethyl-[1,3,2]dioxaborolan-2-YL)-phenylethynyl-trimethylsilane 96%
Packaging10g
Price$418
Updated2026-05-28
Buy

Manufactureraablocks
Product numberAA006L3O
Product description3-(4,4,5,5-Tetramethyl-[1,3,2]dioxaborolan-2-YL)-phenylethynyl-trimethylsilane 96%
Packaging25g
Price$1029
Updated2026-05-28
Buy

ManufacturerACHEMBLOCK
Product numberV144300
Product description3-(4,4,5,5-Tetramethyl-[1,3,2]dioxaborolan-2-yl)-phenylethynyl-trimethylsilane 95%
Packaging5G
Price$585
Updated2026-05-27
Buy

ManufacturerACHEMBLOCK
Product numberV144300
Product description3-(4,4,5,5-Tetramethyl-[1,3,2]dioxaborolan-2-yl)-phenylethynyl-trimethylsilane 95%
Packaging1G
Price$140
Updated2026-05-27
Buy

ManufacturerAK Scientific
Product numberAMTB201
Product description4,4,5,5-Tetramethyl-2-(3-trimethylsilanylethynyl-phenyl)-[1,3,2]dioxaborolane 95%
Packaging5g
Price$276
Updated2026-06-04
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ManufacturerAK Scientific
Product number7841CX
Product description3-(4,4,5,5-Tetramethyl-[1,3,2]dioxaborolan-2-YL)-phenylethynyl-trimethylsilane
Packaging5g
Price$371
Updated2021-12-16
Buy

ManufacturerAK Scientific
Product numberAMTB201
Product description4,4,5,5-Tetramethyl-2-(3-trimethylsilanylethynyl-phenyl)-[1,3,2]dioxaborolane 95%
Packaging250mg
Price$24
Updated2026-06-04
Buy

ManufacturerAK Scientific
Product numberAMTB201
Product description4,4,5,5-Tetramethyl-2-(3-trimethylsilanylethynyl-phenyl)-[1,3,2]dioxaborolane 95%
Packaging1g
Price$67
Updated2026-06-04
Buy

ManufacturerApolloscientific
Product numberOR303470
Product description4,4,5,5-Tetramethyl-2-(3-trimethylsilanylethynyl-phenyl)-[1,3,2]dioxaborolane >97%
Packaging1g
Price$122
Updated2026-06-04
Buy

ManufacturerApolloscientific
Product numberOR303470
Product description4,4,5,5-Tetramethyl-2-(3-trimethylsilanylethynyl-phenyl)-[1,3,2]dioxaborolane >97%
Packaging250mg
Price$45
Updated2026-06-04
Buy

ManufacturerApolloscientific
Product numberOR303470
Product description4,4,5,5-Tetramethyl-2-(3-trimethylsilanylethynyl-phenyl)-[1,3,2]dioxaborolane >97%
Packaging5g
Price$587
Updated2026-06-04
Buy

ManufacturerApolloscientific
Product numberOR303470
Product description4,4,5,5-Tetramethyl-2-(3-trimethylsilanylethynyl-phenyl)-[1,3,2]dioxaborolane >97%
Packaging25g
Price$2348
Updated2026-06-04
Buy

ManufacturerApolloscientific
Product numberOR303470
Product description4,4,5,5-Tetramethyl-2-(3-trimethylsilanylethynyl-phenyl)-[1,3,2]dioxaborolane
Packaging1g
Price$124
Updated2021-12-16
Buy

ManufacturerApolloscientific
Product numberOR303470
Product description4,4,5,5-Tetramethyl-2-(3-trimethylsilanylethynyl-phenyl)-[1,3,2]dioxaborolane
Packaging500mg
Price$109
Updated2021-12-16
Buy

Manufacturer	Product number	Product description	Packaging	Price	Updated	Buy
aablocks	AA006L3O	3-(4,4,5,5-Tetramethyl-[1,3,2]dioxaborolan-2-YL)-phenylethynyl-trimethylsilane 95%	1g	$59	2026-05-28	Buy
aablocks	AA006L3O	3-(4,4,5,5-Tetramethyl-[1,3,2]dioxaborolan-2-YL)-phenylethynyl-trimethylsilane 96%	5g	$218	2026-05-28	Buy
aablocks	AA006L3O	3-(4,4,5,5-Tetramethyl-[1,3,2]dioxaborolan-2-YL)-phenylethynyl-trimethylsilane 96%	10g	$418	2026-05-28	Buy
aablocks	AA006L3O	3-(4,4,5,5-Tetramethyl-[1,3,2]dioxaborolan-2-YL)-phenylethynyl-trimethylsilane 96%	25g	$1029	2026-05-28	Buy
ACHEMBLOCK	V144300	3-(4,4,5,5-Tetramethyl-[1,3,2]dioxaborolan-2-yl)-phenylethynyl-trimethylsilane 95%	5G	$585	2026-05-27	Buy
ACHEMBLOCK	V144300	3-(4,4,5,5-Tetramethyl-[1,3,2]dioxaborolan-2-yl)-phenylethynyl-trimethylsilane 95%	1G	$140	2026-05-27	Buy
AK Scientific	AMTB201	4,4,5,5-Tetramethyl-2-(3-trimethylsilanylethynyl-phenyl)-[1,3,2]dioxaborolane 95%	5g	$276	2026-06-04	Buy
AK Scientific	7841CX	3-(4,4,5,5-Tetramethyl-[1,3,2]dioxaborolan-2-YL)-phenylethynyl-trimethylsilane	5g	$371	2021-12-16	Buy
AK Scientific	AMTB201	4,4,5,5-Tetramethyl-2-(3-trimethylsilanylethynyl-phenyl)-[1,3,2]dioxaborolane 95%	250mg	$24	2026-06-04	Buy
AK Scientific	AMTB201	4,4,5,5-Tetramethyl-2-(3-trimethylsilanylethynyl-phenyl)-[1,3,2]dioxaborolane 95%	1g	$67	2026-06-04	Buy
Apolloscientific	OR303470	4,4,5,5-Tetramethyl-2-(3-trimethylsilanylethynyl-phenyl)-[1,3,2]dioxaborolane >97%	1g	$122	2026-06-04	Buy
Apolloscientific	OR303470	4,4,5,5-Tetramethyl-2-(3-trimethylsilanylethynyl-phenyl)-[1,3,2]dioxaborolane >97%	250mg	$45	2026-06-04	Buy
Apolloscientific	OR303470	4,4,5,5-Tetramethyl-2-(3-trimethylsilanylethynyl-phenyl)-[1,3,2]dioxaborolane >97%	5g	$587	2026-06-04	Buy
Apolloscientific	OR303470	4,4,5,5-Tetramethyl-2-(3-trimethylsilanylethynyl-phenyl)-[1,3,2]dioxaborolane >97%	25g	$2348	2026-06-04	Buy
Apolloscientific	OR303470	4,4,5,5-Tetramethyl-2-(3-trimethylsilanylethynyl-phenyl)-[1,3,2]dioxaborolane	1g	$124	2021-12-16	Buy
Apolloscientific	OR303470	4,4,5,5-Tetramethyl-2-(3-trimethylsilanylethynyl-phenyl)-[1,3,2]dioxaborolane	500mg	$109	2021-12-16	Buy

Next Last

Properties

Melting point :86-90℃
Boiling point :367.1±34.0 °C(Predicted)
Density :0.98±0.1 g/cm3(Predicted)
form :solid
InChI :1S/C17H25BO2Si/c1-16(2)17(3,4)20-18(19-16)15-10-8-9-14(13-15)11-12-21(5,6)7/h8-10,13H,1-7H3
InChIKey :LDKJXCOLGXLWKP-UHFFFAOYSA-N
SMILES :CC1(C)OB(OC1(C)C)c2cccc(c2)C#C[Si](C)(C)C
CAS DataBase Reference :915402-03-8

Safety Information

Symbol(GHS):

Signal word:

Warning

Hazard statements:

Code	Hazard statements	Hazard class	Category	Signal word	Pictogram	P-Codes
H315	Causes skin irritation	Skin corrosion/irritation	Category 2	Warning		P264, P280, P302+P352, P321,P332+P313, P362
H319	Causes serious eye irritation	Serious eye damage/eye irritation	Category 2A	Warning		P264, P280, P305+P351+P338,P337+P313P

Precautionary statements:

P264	Wash hands thoroughly after handling.
P264	Wash skin thouroughly after handling.
P280	Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352	IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338	IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P332+P313	IF SKIN irritation occurs: Get medical advice/attention.
P337+P313	IF eye irritation persists: Get medical advice/attention.

Description

It is used as an active pharmaceutical intermediate.

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Suppliers and manufacturers

Amadis Chemical Company Limited Alfa Aesar Shanghai Hanhong Scientific Co.,Ltd. Sigma-Aldrich Guangzhou Jhd Chemical Reagent Co., Ltd. Shanghai Thunder Biological Technology Co., Ltd. Jiangsu aikang biomedical research and development co., LTD Changzhou Kechem Bio-Scientific Co., LTD. Meng Cheng Technology (Shanghai) Co., LTD Nanjing Shizhou Biology Technology Co.,Ltd

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3-(4,4,5,5-Tetramethyl-[1,3,2]dioxaborolan-2-yl)-phenylethynyl-trimethylsilane

Properties

Safety Information

Description

Related product price

Suppliers and manufacturers