Our maleic anhydride adopts the world's most advanced production technology. It has the largest scale, the most stable operation and the best product quality among similar equipment in the country. Solid maleic anhydride is a white flaky live granular crystal, easy to sublime, soluble in alcohol, ether and acetone, relative density 1.48 (20℃ solid) or 1.30 (70℃ liquid), boiling point 202℃, easy to deliquescence in water to form maleic acid.