As a bactericidal preservative, it is used in ink production. It can also be used as organic synthesis. It is a widely used diol, colorless, odorless, toxic,

Apperance and Solubility:White acicular crystal.Soluble in water and ethanol, slightly soluble in heat ether, insoluble in benzene.

NEP is colorless, transparent liquid, weak alkaline, Boiling point 212 (atmospheric pressure), is a strong polar organic solvent, miscible with water and organic solvents in any proportion.

N-methylpyrrolidone NMP is a colorless, transparent liquid which is highly hygroscopic, miscible with water in any proportion, and is almost completely mixed with all solvents (ethanol, acetaldehyde, ketone, aromatic hydrocarbon, etc.).