BORONIC ACID,B-(3,5-DIBROMOPHENYL)- - Names and Identifiers
Name | 3,5-Dibromobenzeneboronic acid
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Synonyms | AKOS BRN-0062 RARECHEM AH PB 0025 3,5-dibrombenzolboronsaeure 3,5-Dibromophenylboronic acid 3,5-DIBROMOPHENYLBORONIC ACID 3,5-DibroMobenzeneboronic Aicd 3,5-DIBROMOBENZENEBORONIC ACID 3,5-Dibromophenyl boronic acid 3,5-Dibromobenzeneboronic acid BORONIC ACID,B-(3,5-DIBROMOPHENYL)-
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CAS | 117695-55-3
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EINECS | 681-178-2 |
InChI | InChI=1/C6H5BBr2O2/c8-5-1-4(7(10)11)2-6(9)3-5/h1-3,10-11H |
InChIKey | DKYRKAIKWFHQHM-UHFFFAOYSA-N |
BORONIC ACID,B-(3,5-DIBROMOPHENYL)- - Physico-chemical Properties
Molecular Formula | C6H5BBr2O2
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Molar Mass | 279.72 |
Density | 2.09±0.1 g/cm3(Predicted) |
Melting Point | >300 °C (lit.) |
Boling Point | 382.8±52.0 °C(Predicted) |
Flash Point | 185.3°C |
Vapor Presure | 1.52E-06mmHg at 25°C |
Appearance | Powder |
BRN | 6645285 |
pKa | 6.58±0.10(Predicted) |
Storage Condition | Keep in dark place,Sealed in dry,Room Temperature |
Refractive Index | 1.651 |
MDL | MFCD01075725 |
Use | Reactant involved in:Vacuo condensation and on-surface radical addition for synthesis of phenylene-boroxine networks;Lithiation of dihalophenyl dioxazaborocines yielding functionalized dihalophenylboronic acids;Cycloboronation of tetrasubstituted |
BORONIC ACID,B-(3,5-DIBROMOPHENYL)- - Risk and Safety
Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin.
R22 - Harmful if swallowed
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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.
S24/25 - Avoid contact with skin and eyes.
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WGK Germany | 3 |
HS Code | 29319090 |
Hazard Note | Irritant |
BORONIC ACID,B-(3,5-DIBROMOPHENYL)- - Introduction
3,5-Dibromobenzeneboronic acid is an organic compound whose chemical formula is C6H5BBr2O2. The following is a description of its nature, use, preparation and safety information:
Nature:
3,5-Dibromophenylboronic acid is a white solid that is stable at room temperature. Its melting point is 180-182 degrees Celsius. It is difficult to dissolve in water, but it can be well dissolved in organic solvents. It is a weak acid.
Use:
3,5-dibromophenylboronic acid has important application value in the field of organic synthesis. It can be used as catalyst and intermediate of organic synthesis reaction. For example, it can be used in the synthesis of phenylboronic esters, which play an important role in the Suzuki reaction. In addition, it can also be used in the synthesis of other organic compounds, such as drugs and dyes.
Preparation Method:
3,5-Dibromobenzeneboronic acid is typically prepared by reacting boric acid with 3,5-dibromobenzyl alcohol. The boric acid is first dissolved in a suitable solvent, then 3,5-dibromobenzyl alcohol is added and the reaction is stirred at an appropriate temperature. Finally, the product can be obtained by crystallization or extraction.
Safety Information:
3,5-dibromophenylboronic acid is generally relatively safe under normal use conditions, but the following matters still need to be paid attention:
1. should avoid contact with skin and eyes, avoid inhalation of dust or mist.
2. in use should take appropriate protective measures, such as wearing gloves, safety glasses and protective masks.
3. Keep away from flammable materials and oxidants, and operate in a well-ventilated place.
4. During use or storage, care should be taken to avoid contact with oxygen, acid or alkali to avoid dangerous reactions.
5. If accidental leakage or other accidents occur, corresponding emergency measures shall be taken immediately and professional personnel shall be consulted for handling.
Please note that the above information is for reference only. Please refer to the safety technical manual of the chemical or consult a professional for specific operations.
Last Update:2024-04-09 21:00:56