图谱信息 供应商 相关产品
网站主页CAS数据库列表 23783-42-8更多图谱四乙基乙二醇单甲酯(23783-42-8)质谱(MS)

四乙基乙二醇单甲酯

产品名称 四乙基乙二醇单甲酯

CAS号23783-42-8

分子式C9H20O5

分子量208.25

展开


  • Mass

    MS-IW-4195          
    tetraethylene glycol monomethyl ether
    C9H20O5             (Mass of molecular ion:    208)
    

       Source Temperature: 230 °C
       Sample Temperature: 150 °C
       Reservoir, 75 eV
    

          15.0       2.7
          18.0       1.6
          19.0       1.6
          27.0       3.0
          28.0       5.5
          29.0      13.4
          30.0       1.2
          31.0      20.4
          41.0       1.4
          42.0       1.4
          43.0       8.9
          44.0      16.4
          45.0      92.2
          46.0       3.1
          57.0       2.1
          58.0      50.4
          59.0     100.0
          60.0       5.3
          61.0       1.2
          70.0       1.9
          71.0       1.0
          72.0       3.0
          73.0       5.5
          75.0       4.7
          77.0       3.3
          86.0       1.0
          87.0      24.7
          88.0      11.3
          89.0      53.4
          90.0       3.4
         101.0       4.5
         102.0       7.3
         103.0      25.9
         104.0       1.7
         119.0       3.9
         131.0       1.0
         133.0       8.6
         163.0       1.5
    

400 MHz in CDCl3


  • 1H NMR 399.65 MHz
    C9 H20 O5 0.05 ml : 0.5 ml CDCl3
    tetraethylene glycol monomethyl ether
    ChemicalStructure
        Assign.     Shift(ppm)
    A 3.713 B 3.67 C 3.645 D 3.599 E 3.556 F 3.379 CONFIRMED BY CH-COSY.

         Hz     ppm     Int.
    

       1489.50   3.728    155
       1486.94   3.721     83
       1485.11   3.717    198
       1483.52   3.713    132
       1481.93   3.709     94
       1480.10   3.704    223
       1474.85   3.691     55
       1473.39   3.687     56
       1471.44   3.682     83
       1468.99   3.676    173
       1465.21   3.667   1000
       1461.55   3.658    211
       1461.06   3.656    196
       1457.89   3.648    186
       1457.15   3.647    179
       1454.83   3.641    169
       1452.15   3.634    229
       1442.63   3.610    201
       1440.67   3.605     68
       1439.09   3.601    115
       1437.50   3.597    172
       1435.55   3.593     62
       1433.35   3.587    124
       1425.78   3.568    207
       1423.10   3.561    134
       1421.14   3.556    142
       1420.78   3.556    143
       1420.04   3.554    150
       1416.87   3.546    106
       1416.38   3.545    107
       1355.59   3.392     30
       1350.59   3.380    870
    

in CDCl3



liquid film