Benzene-1,4-diboronic acid, pinacol diester

Benzene-1,4-diboronic acid, pinacol diester - Names and Identifiers

Name	2,2'-benzene-1,4-diylbis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane)
Synonyms	1,4-phenyldiboronic acid bis(pinacol) ester Benzene-1,4-diboronic acid, pinacol diester benzene-1,4-diboronic acid bispinacol ester 1,4-phenyldiboronic acid, bis(pinacol) ester 1,4-Phenylenediboronic acid, pinacol diester 2,2'-benzene-1,4-diylbis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane) 1,4-Benzenediboronic acid dipinacol ester, 1,4-Bis(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)benzene
CAS	99770-93-1
InChI	InChI=1/C18H28B2O4/c1-15(2)16(3,4)22-19(21-15)13-9-11-14(12-10-13)20-23-17(5,6)18(7,8)24-20/h9-12H,1-8H3
InChIKey	UOJCDDLTVQJPGH-UHFFFAOYSA-N

Benzene-1,4-diboronic acid, pinacol diester - Physico-chemical Properties

Molecular Formula	C18H28B2O4
Molar Mass	330.03
Density	1.03±0.1 g/cm3(Predicted)
Melting Point	241-245°C
Boling Point	416.3±28.0 °C(Predicted)
Flash Point	205.559°C
Solubility	soluble in Toluene
Vapor Presure	0mmHg at 25°C
Appearance	powder to crystal
Color	White to Almost white
Storage Condition	Keep in dark place,Sealed in dry,Room Temperature
Refractive Index	1.49
MDL	B153053

Benzene-1,4-diboronic acid, pinacol diester - Risk and Safety

Hazard Symbols	Xi - Irritant
WGK Germany	3
HS Code	29349990

Benzene-1,4-diboronic acid, pinacol diester - Introduction

2,2 '-benzene-1,4-diylbis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane) is an organic compound with the chemical formula C20H32B2O4. The following is a description of some of its properties, uses, methods and safety information:

Nature:
-Appearance: White solid
-Melting point: about 110-112°C
-Low water solubility, soluble in organic solvents such as chloroform and methanol

Use:
- 2,2 '-benzene-1,4-diylbis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane) can be used as an important intermediate in organic synthesis.
-It can play the role of catalyst in a variety of chemical reactions, such as Suzuki coupling reaction, polymer polymerization reaction, and some C- C bond or C- X bond formation reaction.

Preparation Method: The synthesis of
- 2,2 '-benzene-1,4-diylbis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane) can be obtained by the reaction of benzene p-dicarboxylic acid dianhydride with 2,2'-methylcyclopentadionediphenol. The specific preparation process requires more detailed experimental conditions and steps.

Safety Information:
-Detailed safety information can be obtained from the Safety Data Sheet (SDS). In general, it is necessary to pay attention to personal protective measures during operation, such as wearing protective gloves, glasses and masks, ensuring that the operation is carried out in a well-ventilated place, and complying with relevant chemical storage and handling regulations.

Last Update：2024-04-10 22:29:15