Product Description

Maleic anhydride is an important organic chemical raw material and is mainly used to make unsaturated polyester resin, paint, paper treatment agent, medicine, food additive, artificial leather and marble. Molecular formula: C4H2O3 Molecular weight: *8.*6 Quality standards of maleic anhydride GB******2 Property specification excellent first grade qualified Appearance white, light yellow piece or sliced crystal content(based on maleic anhydride)≥ *9.5 *9.0 *8.5 molten colour ≤ *5 *0 **0 solidification point≥ ?C *2.4 *2.0 *1.5 ash % ≤ 0.**5 0.**5 - Fe content ppm ≤ 5 - -