Acid is an organic compound with the chemical formula C6H3ClFNO2. The following is an introduction to its nature, use, formulation and safety information:
Nature:
-Appearance: Colorless or yellowish solid
-melting point: 132-135 ℃
-Boiling point: 337.2 ℃
-Density: 1.61g/cm³
-Soluble: Soluble in ethanol, dichloromethane and dimethyl sulfoxide
Use:
-must acid is an important intermediate in organic synthesis.
-It is often used in the synthesis of drugs and pesticides, such as etheric acid (Ethambutol) for the synthesis of anti-tuberculosis drugs.
Preparation Method:
The preparation of acid can be carried out by the following steps:
-2-amino-5-chloronicotinic acid (2-Amino-5-chloropyridine) is reacted with hydrogen fluoride to give 2-fluoro-5-aminonicotinic acid (2-Fluoro-5-aminopyridine).
-Then react 2-fluoro-5-aminonicotinic acid with chloroformic acid to obtain acid.
Safety Information:
-must acid generally have low toxicity under normal use conditions.
-During handling and storage, care should be taken to avoid inhalation, ingestion or contact with skin and eyes.
-Use appropriate protective equipment, such as gloves and goggles, when handling the compound.
-In case of accidental contact, flush the affected area immediately with plenty of water and seek medical help.