methyl 2H-1 2 3-triazole-4-carboxylate（CAS# 4967-77-5)

Introduction

Methyl 1,2,3-triazole-4-carboxylic acid is an organic compound. The following is an introduction to its nature, use, preparation method and safety information:

Quality:

Methyl 1,2,3-triazole-4-carboxylic acid is a colorless to light yellow liquid with a strong pungent odor. It is soluble in organic solvents such as ethanol and dimethylformamide. It is relatively stable at room temperature, but decomposes at high temperatures or under light.

Uses: It can also be used as a plant growth regulator and a component of photosensitive materials.

Method:

A common preparation method for methyl 1,2,3-triazole-4-carboxylic acid is obtained by reacting with phenylenediamine and formic anhydride under alkaline conditions. The specific preparation process is as follows:

1) Add phenylenediamine and formic anhydride to an alkaline solution, usually using sodium hydroxide or sodium carbonate as an alkaline agent;

2) At a suitable temperature, the reaction is carried out for several hours to make the reactants fully react;

3) The product is filtered and purified by distillation to obtain methyl 1,2,3-triazole-4-carboxylate.

Safety Information:

Methyl 1,2,3-triazole-4-carboxylic acid is highly irritating and corrosive, and contact with the skin, eyes, or inhalation of its vapors may cause irritation or other health problems. Appropriate personal protective equipment (PPE), including gloves, protective eyewear, and respiratory protective equipment, should be worn when used or handled. It should be operated in a well-ventilated area and avoid contact with strong oxidizing agents or flammable materials. In case of accidental contact, rinse immediately with plenty of water and seek medical attention promptly.