4,4'-Biphenyldiboronic acid

4,4'-Biphenyldiboronic acid - Names and Identifiers

Name	4,4'-Biphenyldiboronic acid
Synonyms	diyldiboronic acid RARECHEM AH PB 0032 4,4-BIPHENYLDIBORONIC ACID 4,4'-BIPHENYLDIBORONIC ACID 4,4'-Biphenyldiboronic acid BIPHENYL-4,4'-DIBORONIC ACID 4,4'-biphenylenediboronic acid 4,4'-Biphenyldiyldiboronic acid biphenyl-4,4'-diyldiboronic acid
CAS	4151-80-8
InChI	InChI=1/C12H12B2O4/c15-13(16)11-5-1-9(2-6-11)10-3-7-12(8-4-10)14(17)18/h1-8,15-18H
InChIKey	SLHKDOGTVUCXKX-UHFFFAOYSA-N

4,4'-Biphenyldiboronic acid - Physico-chemical Properties

Molecular Formula	C12H12B2O4
Molar Mass	241.84
Density	1.31±0.1 g/cm3(Predicted)
Melting Point	300°C (dec.)(lit.)
Boling Point	505.9±60.0 °C(Predicted)
Flash Point	259.7°C
Water Solubility	Soluble in water.
Vapor Presure	4.69E-11mmHg at 25°C
Appearance	powder to crystal
Color	White to Green to Brown
BRN	2941876
pKa	8.25±0.17(Predicted)
Storage Condition	Keep in dark place,Sealed in dry,Room Temperature
Refractive Index	1.62

4,4'-Biphenyldiboronic acid - Risk and Safety

Risk Codes	R36/37/38 - Irritating to eyes, respiratory system and skin. R22 - Harmful if swallowed
Safety Description	S37/39 - Wear suitable gloves and eye/face protection S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S`37 -
WGK Germany	3
HS Code	29163990
Hazard Note	Corrosive

4,4'-Biphenyldiboronic acid - Introduction

4,4 '-Biphenyldiboronic acid is an organic compound with the chemical formula C12H10B2O4. Its properties are as follows:

1. Appearance: 4,4 '-Biphenyldiboronic acid is white to light yellow crystal powder.

2. Solubility: It is insoluble in water, but can be dissolved in organic solvents, such as ethanol, dimethyl sulfoxide, etc.

3. Thermal stability: 4,4 '-Biphenyldiboronic acid has certain thermal stability, but it may decompose at high temperature.

4. Chemical reaction: The compound can be used as a secondary boric acid catalyst for cross-coupling reactions, and can be esterified with other compounds.
The main uses of
4,4 '-Biphenyldiboronic acid are as follows:

1. Chemical synthesis: It can be used as a catalyst in organic synthesis for cross-coupling reactions, such as Suzuki-Miyaura coupling reactions, Stille coupling reactions, etc.

2. Functional materials: It can be used to prepare functional materials, such as organic semiconductor materials, photoluminescent materials, etc.

the method for preparing 4,4 '-Biphenyldiboronic acid is generally catalyzed by boroyl sulfuric acid, and 4,4'-biphenyl diphenol is reacted with dimethyl sulfoxide under the catalysis of boroyl sulfuric acid to obtain the product.

Regarding safety information, the specific toxicity and hazard data of 4,4 '-Biphenyldiboronic acid have not been fully established, so appropriate safety measures need to be taken when using it. Avoid inhaling powders or solutions and avoid contact with skin and eyes during the operation. In case of accidental contact, rinse immediately with plenty of water and seek professional medical help. In storage, should be stored in a dry, cool place, avoid contact with oxidants and other substances.

Last Update：2024-04-10 22:29:15