马来酸酐又称顺丁烯二酸酐(MA),简称顺酐,是顺丁烯二酸的酸酐,室温下为有酸味的无色或白色固体,分子式为C4H2O3。它可以用作生产1,4-丁二醇、γ-丁内酯、四氢呋喃、琥珀酸、醇酸树脂等的原料,也用于医药和农药。此外,还用于生产不饱和聚酯树脂、油墨助剂、造纸助剂、涂料以及医药工业、食品工业等。该品粉尘和蒸气具有刺激性。吸入后可引起咽炎、喉炎和支气管炎,可伴有腹痛。眼和皮肤 Maleic anhydride, also known as maleic anhydride (MA), referred to as maleic anhydride, maleic anhydride, sour at room temperature as a colorless or white solid, molecular formula C4H2O3. It can be used as a raw material for the production of 1,4-butanediol, γ-butyrolactone, tetrahydrofuran, succinic acid, alkyd resin and the like, as well as for medicine and pesticide. In addition, but also for the production of unsaturated polyester resin, ink additives, paper additives, paint and the pharmaceutical industry, the food industry. The goods dust and steam is irritating. Inhalation can cause pharyngitis, laryngitis and bronchitis, may be associated with abdominal pain. Eye and skin