4(5)-METHYL-1H-IMIDAZOLE-2-CARBALDEHYDE - Names and Identifiers
4(5)-METHYL-1H-IMIDAZOLE-2-CARBALDEHYDE - Physico-chemical Properties
Molecular Formula | C4H5BN2O2
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Molar Mass | 123.91 |
Density | 1.33±0.1 g/cm3(Predicted) |
Melting Point | 110-114 °C |
Boling Point | 334.7±34.0 °C(Predicted) |
Flash Point | 156.2°C |
Solubility | Soluble in Ether, MeOH, DMSO, THF. |
Vapor Presure | 4.95E-05mmHg at 25°C |
Appearance | White powder |
Color | White to Orange to Green |
pKa | 5.23±0.10(Predicted) |
Storage Condition | under inert gas (nitrogen or Argon) at 2-8°C |
Refractive Index | 1.534 |
MDL | MFCD03002366 |
4(5)-METHYL-1H-IMIDAZOLE-2-CARBALDEHYDE - Risk and Safety
Risk Codes | R22 - Harmful if swallowed
R36/37/38 - Irritating to eyes, respiratory system and skin.
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Safety Description | S22 - Do not breathe dust.
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.
S36 - Wear suitable protective clothing.
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HS Code | 29335990 |
Hazard Class | IRRITANT |
4(5)-METHYL-1H-IMIDAZOLE-2-CARBALDEHYDE - Introduction
5-Pyrimidine boronic acid is an organic compound with the chemical formula C4H4BNO3. The following is a description of the properties, uses, preparation methods and safety information of 5-pyrimidine boronic acid:
Nature:
-Appearance: 5-pyrimidine boronic acid is a white crystalline solid.
-Solubility: less soluble in water, soluble in polar organic solvents such as alcohol, ether, etc.
-Chemical properties: 5-pyrimidine boronic acid is a weak acid that can react with alkali to form the corresponding salt.
Use:
-5-pyrimidine boronic acid is commonly used as a catalyst in organic synthesis. Among them, its etherifying agent salt can catalyze the esterification reaction of alcohol and ether.
-It can also be used as a raw material in organic synthesis, such as a precursor for the synthesis of other organic compounds.
-It is also used in the preparation of some fluorescent materials and fluorescent dyes.
Preparation Method:
The preparation of -5-pyrimidine boronic acid is usually obtained by reacting 5-pyrimidine with boric acid. For example, 5-pyrimidine is dissolved in an organic solvent, boric acid is added, and the reaction is heated, and after a period of time under appropriate conditions, a white crystalline 5-pyrimidine boronic acid is obtained.
Safety Information:
-5-pyrimidine boric acid is relatively stable, and there is no obvious safety risk during normal use.
-but still need to pay attention to protective measures, avoid contact with skin and eyes. Wear appropriate personal protective equipment such as lab gloves, goggles, etc.
-Waste disposal shall be carried out in a safe and environmentally friendly manner in accordance with local regulations.
Last Update:2024-04-10 22:29:15