供应醋酸甲酯
醋酸甲酯              规格:98%              产地:美  德    包装:185KG/桶      价格:7000元/吨  

醋酸甲酯  

Methyl  acetate  

Cas号：79-20-9    MDL:    --MFCD00008711    

Beilstein    1736662  EINECS:    --201-185-2    

分子式  C3H6O2；  CH3COOCH3  

分子量  74.08  

别名乙酸甲酯;醋酸甲酯;乙酸甲脂;乙酸甲酯[标准物质];乙酸甲酯,99%;醋酸甲酯,乙酸甲酯

Acetic  Acid  Methyl  Ester  

分子结构式    

质量标准      

    项目Item　　　　　　　　　　                          分析纯　　        

                                                                                    (AR)                  

含量Assay,%　　　                                                ≥  98                

相对密度Specific  gravity  (20/20°C)            0.930～0.935    

不挥发物Novolative,%                                          ≤  0.002                

酸度Acidity,%                                                        ≤  0.005                

沸程Boiling  range,℃                                          55.5～58.0  

  

项目                                                                            化学纯      

                                                                                      (CP)  

含量Assay                                                                  ≥97.5%    

相对密度Specific  gravity  (20/20°C)              0.925～0.935    

酸度Acidity(以H+计)/（mmol/100g）                  ≤0.16    

蒸发残渣Ignition  residue                                    ≤0.004%    

  

品级Grade                                                                  色谱纯                                                        

                                                                                  grade  for  HPLC  

纯度Purity                                                              ≥99.8%  (GC)  

水分water                                                                ≤0.05%    

蒸发残渣Evaporation  residue                            ≤0.001%  

溶剂浓度solvent  strength  ε  (Al2O3)              0.60  

λ                                                                      1  cm  cell,  H2O  对照  

紫外吸收UV  absorption  

255  nm                                                                        A:  1.0  

275  nm                                                                        A:  0.1  

300  nm                                                                        A:  0.01  

  

品级Grade                                                                  无水级

                                                                              （anhydrous,  99.5%）

外观Appearance                                                      无色液体

红外光谱鉴别Infrared  spectrometry                和对照匹配

纯度Purity                                                              ≥99.5%  (GC)  

水分Water  (by  Karl  Fischer)                            ≤0.003  %  

蒸发残渣Residue  on  Evaporation                      ≤0.0003  %    

贮存  密封保存。  

用途  有机溶剂（硝酸纤维素、油类、树脂类和漆类）。由碱金属氯化物中分离氯化锂。香料合成。人造革。  

联合国编号  1231  

Risk：    R11-  R36-  R66-  R67-    

Safety  :    S16-  S26-  S29-  S33-    

Hazard  :    F  -  Xi  -