844501-71-9 - Names and Identifiers
Name | 1H-Pyrazole-3-boronic acid pinacol ester
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Synonyms | Pyrazole-3-boronic acid pinacol ester PYRAZOLE-3-BORONIC ACID PINACOL ESTER 1H-Pyrazole-3-boronic acid pinacol ester 1H-Pyrazole-5-boronic acid pinacol ester 3-(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOLONE)-PYRAZOLE 3-(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOLONE)-PYRRAZOLE 3-(4,4,5,5-Tetramethyl-1,3,2-Dioxabolone)-Pyrrazole 3-(4,4,5,5-Tetramethyl-1,3,2-Dioxaborolane)-Pyrazole 3-(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLANE)-PYRAZOLE 3-(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLANE-2-YL)PYRRAZOLE 5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole 3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole 3-(4,4,5,5-TETRAMETHYL-[1,3,2]DIOXABOROLAN-2-YL)-1H-PYRAZOLE 1H-pyrazole, 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)- 1H-pyrazole, 3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-
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CAS | 844501-71-9 1086111-17-2
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InChI | InChI=1/C9H15BN2O2/c1-8(2)9(3,4)14-10(13-8)7-5-6-11-12-7/h5-6H,1-4H3,(H,11,12) |
844501-71-9 - Physico-chemical Properties
Molecular Formula | C9H15BN2O2
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Molar Mass | 194.04 |
Density | 1.09±0.1 g/cm3(Predicted) |
Melting Point | 105-108°C |
Boling Point | 335.4±15.0 °C(Predicted) |
Flash Point | 156.628°C |
Water Solubility | Insoluble in water. |
Vapor Presure | 0mmHg at 25°C |
pKa | 14.02±0.10(Predicted) |
Storage Condition | under inert gas (nitrogen or Argon) at 2-8°C |
Refractive Index | 1.487 |
MDL | MFCD07368044 |
844501-71-9 - Risk and Safety
Hazard Symbols | T - Toxic
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Risk Codes | R25 - Toxic if swallowed
R36/37/38 - Irritating to eyes, respiratory system and skin.
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Safety Description | S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
S37 - Wear suitable gloves.
S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
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UN IDs | UN2811 |
HS Code | 29331990 |
844501-71-9 - Introduction
1H-Pyrazole-3-boronic acid pinacol ester is an organic compound with the chemical formula C11H15BN2O2. It is a white crystalline solid with a molecular weight of 216.06g/mol.
1H-Pyrazole-3-boronic acid pinacol ester has a wide range of uses. It is an important organic synthesis intermediate and can be used to synthesize various compounds containing pyrazole structures. In the field of medicine, it is used to synthesize drugs and drug candidate compounds, such as anticancer drugs, bioactive substances and fluorescent probes. In addition, 1H-Pyrazole-3-boronic acid pinacol ester is also used in the synthesis of pesticides and other fields.
The method for preparing 1H-Pyrazole-3-boronic acid pinacol ester is usually through esterification. A commonly used synthetic method is the reaction of substituted 1H-pyrazole-3-boronic acids with pinacol for esterification under acid-catalyzed conditions to give 1H-Pyrazole-3-boronic acid pinacol ester products.
Regarding safety information, 1H-Pyrazole-3-boronic acid pinacol ester may be irritating to the human body, so it is necessary to take corresponding protective measures during use to avoid direct contact with skin and eyes. During storage and handling, avoid contact with oxidants, acids and strong oxidants to prevent dangerous reactions. In addition, it needs to be stored properly and kept away from high temperatures, ignition sources and open flames.
Last Update:2024-04-09 20:52:54