5-Chloro-2-ethoxyphenylboronic - Names and Identifiers
5-Chloro-2-ethoxyphenylboronic - Physico-chemical Properties
Molecular Formula | C8H10BClO3
|
Molar Mass | 200.43 |
Density | 1.27±0.1 g/cm3(Predicted) |
Melting Point | 120-124°C(lit.) |
Boling Point | 368.0±52.0 °C(Predicted) |
Flash Point | 176.4°C |
Vapor Presure | 4.58E-06mmHg at 25°C |
Appearance | powder to crystal |
Color | White to Almost white |
pKa | 7.60±0.58(Predicted) |
Storage Condition | Inert atmosphere,Room Temperature |
Refractive Index | 1.537 |
5-Chloro-2-ethoxyphenylboronic - Risk and Safety
Hazard Symbols | T+ - Very toxic
|
Risk Codes | R26 - Very Toxic by inhalation
R34 - Causes burns
R36 - Irritating to the eyes
|
Safety Description | S23 - Do not breathe vapour.
S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection.
S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
|
WGK Germany | 3 |
Hazard Class | IRRITANT |
5-Chloro-2-ethoxyphenylboronic - Introduction
Acid is an organic compound with the formula C8H10BClO3. The following is a description of some properties, uses, preparation and safety information about the compound:
Nature:
-Appearance: Colorless crystalline solid
-Melting point: about 89-92 degrees Celsius
-Soluble: Soluble in common organic solvents, such as ethanol and dimethylformamide
Use:
the acid is usually used as an intermediate in organic synthesis. Its main applications include the following:
-Ligand: It can be used as a ligand in metal-catalyzed reactions, such as copper-catalyzed C- C and C- O bond formation reactions.
-Substrate for cross-coupling reactions: It can undergo cross-coupling reactions with other compounds to form new compounds, which is beneficial to the expansion of organic synthesis.
-Drug synthesis: This compound is also used to synthesize active ingredients in drugs and pesticides.
Preparation Method:
The preparation method of calcium acid is relatively simple. A common method is to add 2-ethoxybenzene boric acid to ethanol and add cuprous chloride as a catalyst. Subsequently, copper chloride was added to the reaction as an oxidizing agent under heating. The reaction is typically carried out under an inert atmosphere such as nitrogen.
Safety Information:
The following safety measures should be observed when handling the calcium acid:
-Avoid contact with skin, eyes and respiratory tract. Appropriate protective gloves, safety glasses and masks should be worn.
-Work in a well-ventilated place during operation to prevent inhalation of harmful substances.
-If you come into contact with the compound, rinse immediately with plenty of water and seek medical assistance.
-During operation, pay attention to the source of fire, and properly store and dispose of the compound and its waste.
Last Update:2024-04-10 22:41:03