It is an organic compound. Its structure contains a chlorine atom, a hydroxyl group and an aldehyde group. The following is a description of the properties, uses, preparation and safety information of the compound:
Nature:
-Appearance: Colorless to light yellow crystalline solid.
-Melting point: about 126-130 ℃.
-Boiling point: about 348 ℃.
-Density: about 1.39g/cm³.
-Solubility: low solubility in water, and in organic solvents such as ethanol, ether and methylene chloride more easily dissolved.
Use:
-and can be used as reagents and intermediates in organic synthesis.
-It is commonly used in the synthesis of compounds containing pyridine structure, such as drugs, pesticides, dyes and functional materials.
Preparation Method:
-It can be prepared by a series of reactions to carboxylic acids or ketones.
-A commonly used synthesis method is to react 3-chloro-5-cyanopyridine with hydrated calcium sodium oxide to obtain 2-hydroxy-3-chloro-5-pyridinecarbonitrile, which is then subjected to aldol reaction to obtain the target product.
Safety Information:
-It is an organic compound and has a certain degree of danger. Use should follow the safety procedures.
-For specific safety information, refer to the relevant MSDS or consult a professional body.