马来酸二乙酯                                                                                                                                                                                                                                                    　　Diethyl  maleate  　                                                                                                                                                                                                            　分子式(Formula)：  C8H12O4  　                                                                                                                                                                                              　分子量(Molecular  Weight)：  172.18  　　                                                                                                                                                                        CAS  No.：  141-05-9  　　  　                                                                                                                                                                              包装（Package）：  200公斤黄色塑料桶　　                                                                                                                                                                  　　    　杀虫剂，高聚物单体，香料  ，塑料助剂  制备马来硫磷农药                                                                                                                      1、  外观：无色透明液体。
2、  含量：≥99.5%（GC）
3、  水份：≤0.10%
4、  酸值(mgKOH/g)：≤1.0                                                                                                                                                                                包装：200公斤塑桶