4-Biphenylboronic acid
- CAS NO.：5122-94-1
- Empirical Formula: C12H11BO2
- Molecular Weight: 198.03
- MDL number: MFCD00093311
- EINECS: 675-084-0
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:24:56
What is 4-Biphenylboronic acid?
Chemical properties
Solid
The Uses of 4-Biphenylboronic acid
Used in Suzuki reactions and as intermediates of liquid crystals.
The Uses of 4-Biphenylboronic acid
suzuki reaction: Suzuki coupling of 2-(4-bromophenyl)thiophene with phenylboronic acid and 4-biphenylboronic acid are used for the preparation of 4-(2-thieny)biphenyl and 4-(2-thienyl)-1,1':4,1''-biphenyl respectively. Coupling of two equivalents of 4-(2-thienyl)phenylboronic acid with 1,4-diiodobenzene gives 4,4''-bis(2-thienyl)-1,1':4,1''-terphenyl and with 2,5-diiodothiophene, 2,5-bis[4-(2-thienyl)-phenyl]-thiophene is obtained.
Properties of 4-Biphenylboronic acid
| Melting point: | 232-245 °C (lit.) |
| Boiling point: | 385.5±35.0 °C(Predicted) |
| Density | 1.18±0.1 g/cm3(Predicted) |
| storage temp. | Keep in dark place,Sealed in dry,Room Temperature |
| solubility | soluble in Acetone,Methanol |
| form | Powder |
| pka | 8.61±0.10(Predicted) |
| color | White |
| Water Solubility | Insoluble in water. |
| BRN | 2937410 |
| CAS DataBase Reference | 5122-94-1(CAS DataBase Reference) |
Safety information for 4-Biphenylboronic acid
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P280:Wear protective gloves/protective clothing/eye protection/face protection. P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P405:Store locked up. |
Computed Descriptors for 4-Biphenylboronic acid
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