马来酸酐

• 产品号: A12178
• CAS号: 108-31-6
• 分子式: C4H2O3
• 分子量: 98.05688
• 纯 度: 98+%

产品别名

• 标题: Maleic anhydride
• IUPAC标准名: 2,5-dihydrofuran-2,5-dione
• IUPAC传统名: maleic anhydride
• 别名: 2,5-Furandione; cis-Butenedioic Anhydride

产品登记号

• CAS号: 108-31-6
• MDL号: MFCD00005518
• EC号: 203-571-6
• Beilstein号: 106909
• 默克索引号: 145704

产品性质

• 纯度: 98+%
• 沸点: 202°C
• 闪点: 103°C(217°F)
• 熔点: 52-56°C
• GHS危险声明: H334-H317-H314-H302
• 欧盟危险性物质标志: X
• 欧盟危险性物质标志: 腐蚀性(Corrosive) (C)
• GHS警示性声明: P260-P285-P303+P361+P353-P305+P351+P338-P405-P501A
• 危险公开号: 22-34-42/43
• RTECS编号: ON3675000
• 安全公开号: 2-22-26-36/37/39-45
• 保存注意事项: Moisture Sensitive
• TSCA收录: 是
• 联合国危险货物等级: 8
• 联合国危险货物编号: UN2215
• 联合国危险货物包装类别(PG): III

参考文献

• Reactive dienophile. For a review of its Diels-Alder reactions, see: Org. React., 4, 1 (1948). For examples, see: Org. Synth. Coll., 3, 807 (1955); 4, 890 (1963). For reaction with Danishefsky's diene (1-Methoxy-3-trimethylsiloxy-1,3-butadiene, L14672), see: Org. Synth. Coll., 7, 312 (1990).
• For use in combination with Urea hydrogen peroxide adduct, L13940, to generate peroxymaleic acid in epoxidation and Baeyer-Villiger reactions, see: Heterocycles, 36, 1075 (1993). Peroxymaleic acid can also be generated in situ from maleic anhydride and 30% H₂O₂ in NMP, and has been found to be a very effective oxidant for conversion of sulfides to sulfoxides. For a study of stoichiometric and catalytic oxidations with this system, see: J. Org. Chem., 61, 5693 (1996).
• Also undergoes photochemical and thermal (2+2)-cycloadditions with alkenes. For reaction with 1-alkynes, see: Chem. Ber., 102, 3974 (1969).
• For thermal (2+2)-cycloaddition with allene at high temperature, see: Org. Synth. Coll., 5, 459 (1973).