Appearance and properties: white crystal or powder, soluble in water, ethanol and other solvents. Itaconic acid has active chemical properties and can carry out various addition reactions, esterification reactions and polymerization reactions. It is a raw material for the production of chemical fibers such as acrylic fibers, synthetic resins, plastics, rubber, drugs, surfactants, non-toxic food packaging materials, herbicides, descaling agents, dental binders, etc.