4-Biphenylboronic acid
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Category：Semiconductor Display Materials Own Brand：MT /MOQ:100KG /From China/ B2B only.
Introduction
Introduction
4-Biphenylboronic acid, also known as 4-phenylbenzeneboronic acid, is a valuable chemical compound with the CAS number 5122-94-1. It finds extensive use in organic synthesis and related fields due to its unique structure and properties. Below is a detailed overview of this compound, presented in a table format for clarity.
| Aspect | Details |
|---|---|
| CAS Number | 5122-94-1 |
| Molecular Formula | C12H11BO2 |
| Molecular Weight | 198.03 g/mol |
| Boiling Point | 385.5±35.0°C at 760 mmHg |
| Density | 1.18±0.1 g/cm³ |
| Melting Point | 232-245°C |
| Appearance | White solid powder |
| Solubility | Insoluble in water, soluble in acetone and methanol |
| Storage Conditions | Keep in dark place, sealed in dry, room temperature |
| Acidity Coefficient (pKa) | 8.61±0.10 |
| Applications | Organic synthesis, pharmaceuticals, agrochemicals, liquid crystals |
| Safety Information | Hazard statements: R36/37/38. Safety phrases: S26. S37/S39 |
| Suppliers | Multiple suppliers available, offering various package sizes |
Chemical Properties
4-Biphenylboronic acid has a molecular formula of C12H11BO2 and a molecular weight of 198.03 g/mol. Its boiling point is 385.5±35.0°C at 760 mmHg, and its density is 1.18±0.1 g/cm³. The compound has a melting point of 232-245°C and appears as a white solid powder. It is insoluble in water but soluble in acetone and methanol. The compound should be stored in a dark place, sealed in a dry container, at room temperature. Its acidity coefficient (pKa) is 8.61±0.10.
Applications
This compound is widely used in organic synthesis as a versatile reagent for introducing biphenyl and boronic acid moieties into different molecules. It is particularly useful in metal-catalyzed cross-coupling reactions, such as the Suzuki-Miyaura reaction. Additionally, 4-biphenylboronic acid is used in the preparation of pharmaceuticals, agrochemicals, and liquid crystals. Its ability to form boronate esters also makes it an important intermediate in various organic reactions.
Safety Information
When handling 4-biphenylboronic acid, it is important to follow proper safety procedures. The compound is classified as an irritant to the eyes, respiratory system, and skin (R36/37/38). Appropriate precautions, such as wearing protective clothing, gloves, and eyewear, should be taken. In case of contact with eyes, immediate rinsing with plenty of water and seeking medical advice are recommended (S26).
Suppliers
Several suppliers offer 4-biphenylboronic acid in various package sizes, including 5g, 25g, 500g, 1kg, 5kg, and 25kg. This allows researchers to purchase the quantity that best suits their needs.
Disclaimer: The above content is for reference and communication only among industry insiders, and does not guarantee its accuracy or completeness. According to relevant laws and regulations and the regulations of this website, units or individuals who purchase related items should obtain valid qualifications and qualification conditions.
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