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Diphenylacetylene-4,4'-diboronic acid bis(pinacol) ester, 95%

Diphenylacetylene-4,4'-diboronic acid bis(pinacol) ester, 95% structure

CAS No.: 849681-64-7

Chemical Name:: Diphenylacetylene-4,4'-diboronic acid bis(pinacol) ester, 95%

Synonyms: Diphenylacetylene-4,4'-diboronic acid bis(pinacol) ester;Diphenylacetylene-4,4'-diboronicacidbis(pinacol)ester,95%;Diphenylacetylene-4,4'-diboronic acid bis(pinacol) ester, 95%;4,4′-(Acetylene-1,2-diyl)bis(phenylboronic acid pinacol ester);4,4'-(Acetylene-1,2-diyl)bis(phenylboronic acid pinacol ester);Bis[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]acetylene;1,2-Bis(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethyne;4,4'-BIS(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)DIPHENYLACETYLENE;1,2-Bis(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)acetylene;4,4′-(Acetylene-1,2-diyl)bis(phenylboronic acid pinacol ester), CAS 849681-64-7

CBNumber:: CB42487906

Molecular Formula:: C26H32B2O4

Molecular Weight:: 430.15

MDL Number:: MFCD16294524

MOL File:: 849681-64-7.mol

MSDS File:: SDS

Last updated:2026-01-13 11:19:33

Product description	Number	Pack Size	Price
4,4′-(Acetylene-1,2-diyl)bis(phenylboronic acid pinacol ester) 95%	718890	1g	$98
4,4''-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)diphenylacetylene	T302758	1g	$240
Bis-(4,4,5,5-TetraMethyl-2-(4-phenyl)-[1,3,2]dioxaborolane)acetylene	FB39792	2g	$280
Bis-(4,4,5,5-TetraMethyl-2-(4-phenyl)-[1,3,2]dioxaborolane)acetylene	FB39792	5G	$500
4,4,5,5-Tetramethyl-2-(4-{2-[4-(tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]ethynyl}phenyl)-1,3,2-dioxaborolane >95%	102186	5g	$571

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Diphenylacetylene-4,4'-diboronic acid bis(pinacol) ester, 95% Properties

Melting point	275-280°C
Boiling point	536.4±35.0 °C(Predicted)
Density	1.09±0.1 g/cm3(Predicted)
form	solid
InChI	1S/C26H32B2O4/c1-23(2)24(3,4)30-27(29-23)21-15-11-19(12-16-21)9-10-20-13-17-22(18-14-20)28-31-25(5,6)26(7,8)32-28/h11-18H,1-8H3
InChIKey	QJTLCFKOLMALPJ-UHFFFAOYSA-N
SMILES	CC1(C)OB(OC1(C)C)c2ccc(cc2)C#Cc3ccc(cc3)B4OC(C)(C)C(C)(C)O4
UNSPSC Code	12352103
NACRES	NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS07

Signal word

Warning

Hazard statements

H319-H335-H302+H312+H332-H315

Precautionary statements

P280-P301+P312-P362+P364

WGK Germany

HS Code

2931900090

Storage Class

11 - Combustible Solids

NFPA 704

	0
0		0

Diphenylacetylene-4,4'-diboronic acid bis(pinacol) ester, 95% price More Price(15)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	718890	4,4′-(Acetylene-1,2-diyl)bis(phenylboronic acid pinacol ester) 95%	849681-64-7	1g	$98	2025-07-31	Buy
TRC	T302758	4,4''-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)diphenylacetylene	849681-64-7	1g	$240	2021-12-16	Buy
Biosynth Carbosynth	FB39792	Bis-(4,4,5,5-TetraMethyl-2-(4-phenyl)-[1,3,2]dioxaborolane)acetylene	849681-64-7	2g	$280	2021-12-16	Buy
Biosynth Carbosynth	FB39792	Bis-(4,4,5,5-TetraMethyl-2-(4-phenyl)-[1,3,2]dioxaborolane)acetylene	849681-64-7	5G	$500	2021-12-16	Buy
Matrix Scientific	102186	4,4,5,5-Tetramethyl-2-(4-{2-[4-(tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]ethynyl}phenyl)-1,3,2-dioxaborolane >95%	849681-64-7	5g	$571	2021-12-16	Buy

Product number	Packaging	Price	Buy
718890	1g	$98	Buy
T302758	1g	$240	Buy
FB39792	2g	$280	Buy
FB39792	5G	$500	Buy
102186	5g	$571	Buy

Diphenylacetylene-4,4'-diboronic acid bis(pinacol) ester, 95% Chemical Properties,Uses,Production

Uses

4,4''-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)diphenylacetylene

Diphenylacetylene-4,4'-diboronic acid bis(pinacol) ester, 95% synthesis

Synthesis of Diphenylacetylene-4,4'-diboronic acid bis(pinacol) ester, 95% from Bis(4-bromophenyl)acetylene and Bis(pinacolato)diboron

Diphenylacetylene-4,4'-diboronic acid bis(pinacol) ester, 95% Preparation Products And Raw materials

Raw materials

Bis(4-bromophenyl)acetylene Bis(pinacolato)diboron

Preparation Products

Diphenylacetylene-4,4'-diboronic acid bis(pinacol) ester, 95% Suppliers

Global( 37)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Neostar United (Changzhou) Industrial Co., Ltd.	+86-0519-85551759 +8613506123987	marketing1@neostarunited.com	China	8830	58
Amadis Chemical Company Limited	571-89925085	sales@amadischem.com	China	131957	58
Alfa Aesar	400-6106006	saleschina@alfa-asia.com	China	30123	84
Sigma-Aldrich	021-61415566 800-8193336	orderCN@merckgroup.com	China	51395	80
Guangzhou Jhd Chemical Reagent Co., Ltd.	020-84383047	sales@jhd.com.cn	China	9186	65
Aikon International Limited	025-66113011 13155353615	qzhang@aikonchem.com	China	15393	58
Shanghai alkynechem Co., Ltd.	086-021-15821262312 15821262312	info@alkynechem.com	China	1992	58
Henan Lien Chemical Products Co., Ltd.	0371-63357898 15378766539	535046669@qq.com	China	4762	58
Henan Pusai Chemical Products Co., Ltd.	0371-63357898	1280786222@qq.com	China	3702	58
Meng Cheng Technology (Shanghai) Co., LTD	400-820-6829	sales@mitachieve.com	China	8860	58

Supplier	Advantage
Neostar United (Changzhou) Industrial Co., Ltd.	58
Amadis Chemical Company Limited	58
Alfa Aesar	84
Sigma-Aldrich	80
Guangzhou Jhd Chemical Reagent Co., Ltd.	65
Aikon International Limited	58
Shanghai alkynechem Co., Ltd.	58
Henan Lien Chemical Products Co., Ltd.	58
Henan Pusai Chemical Products Co., Ltd.	58
Meng Cheng Technology (Shanghai) Co., LTD	58

4,4,5,5-Tetramethyl-2-(4-{2-[4-(tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]ethynyl}phenyl)-1,3,2-dioxaborolane 1,2-Bis(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)acetylene 4,4′-(Acetylene-1,2-diyl)bis(phenylboronic acid pinacol ester) 4,4,5,5-Tetramethyl-2-(4-{2-[4-(tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]ethynyl}phenyl)-1,3 4,4,5,5-Tetramethyl-2-(4-{2-[4-(tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]ethynyl}phenyl)-1,3,2- 4,4'-BIS(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)DIPHENYLACETYLENE 4,4,5,5-tetramethyl-2-[4-[2-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]ethynyl]phenyl]-1,3,2-dioxaborolane Bis[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]acetylene 1,3,2-Dioxaborolane, 2,2'-(1,2-ethynediyldi-4,1-phenylene)bis[4,4,5,5-tetramethyl- Diphenylacetylene-4,4'-diboronicacidbis(pinacol)ester,95% 1,2-Bis(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethyne Diphenylacetylene-4,4'-diboronic acid bis(pinacol) ester, 95% 4,4'-(Acetylene-1,2-diyl)bis(phenylboronic acid pinacol ester) 4,4′-(Acetylene-1,2-diyl)bis(phenylboronic acid pinacol ester), CAS 849681-64-7 Diphenylacetylene-4,4'-diboronic acid bis(pinacol) ester 849681-64-7 C26H32B2O4