9H-Carbazole,4a,9a-dihydro-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)- - Names and Identifiers
Name | 2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-9,9a-dihydro-4aH-carbazole
|
Synonyms | Carbazole-2-boronic acid pinacol ester 9H-Carbazol-2-ylboronic acid pinacol ester 4a,9a-Dihydro-9H-carbazole-2-boronic acid pinacol ester 2-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)carbazole 2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-9,9a-dihydro-4aH-carbazole 9H-Carbazole,4a,9a-dihydro-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-
|
CAS | 871125-67-6
|
InChI | InChI=1/C18H22BNO2/c1-17(2)18(3,4)22-19(21-17)12-9-10-14-13-7-5-6-8-15(13)20-16(14)11-12/h5-11,14,16,20H,1-4H3 |
9H-Carbazole,4a,9a-dihydro-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)- - Physico-chemical Properties
Molecular Formula | C18H20BNO2
|
Molar Mass | 293.17 |
Density | 1.13g/cm3 |
Melting Point | 180-184 °C |
Boling Point | 362.4°C at 760 mmHg |
Flash Point | 172.9°C |
Vapor Presure | 1.94E-05mmHg at 25°C |
Appearance | Morphological Solid |
pKa | 4.67±0.40(Predicted) |
Storage Condition | under inert gas (nitrogen or Argon) at 2-8°C |
Refractive Index | 1.577 |
9H-Carbazole,4a,9a-dihydro-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)- - Risk and Safety
Risk Codes | R40 - Limited evidence of a carcinogenic effect
R51/53 - Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
R50/53 - Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
R36/37/38 - Irritating to eyes, respiratory system and skin.
|
Safety Description | S61 - Avoid release to the environment. Refer to special instructions / safety data sheets.
S36/37 - Wear suitable protective clothing and gloves.
S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
|
UN IDs | UN 3077 9/PG 3 |
WGK Germany | 3 |
9H-Carbazole,4a,9a-dihydro-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)- - Introduction
2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-9, is an organic compound with the chemical formula C18H24BN2O2. The following is a description of the properties, uses, preparation and safety information of the compound:
Nature:
-Appearance: 2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-9, it is a solid, commonly white to light yellow crystals.
-Melting point: The melting point of this compound is about 130-132°C.
-solubility: 2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-9, it has certain solubility in many organic solvents, such as dimethyl sulfoxide (DMSO), dichloromethane, etc.
Use:
- 2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-9, is an important organic synthesis intermediate that can be used to synthesize fluorescent and semiconductor properties of compounds.
-The compound can also be used in the field of organic electronics, such as organic light-emitting diodes (OLED), solar cells, etc.
Preparation Method:
- 2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-9, the synthesis of which is generally completed by chemical reaction. The specific preparation method is more complex, usually involving a series of chemical conversion steps. One common method of preparation is to react a specific compound with pinacol borate to give the desired product.
Safety Information:
-Since 2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-9, it is an organic compound, it is necessary to pay attention to safety issues during use and operation.
-It may be irritating and corrosive to tissues such as the skin, eyes and respiratory tract.
-Wear appropriate protective gloves, goggles and protective clothing when performing experiments.
-When handling this compound, avoid inhaling its dust or contacting its solution.
-When storing 2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-9, it should be placed in a sealed container, away from fire and oxidizing agents.
Last Update:2024-04-10 22:29:15