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一水柠檬酸

产品名称 一水柠檬酸

CAS号5949-29-1

分子式C6H10O8

分子量210.1388

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  • Mass

    MS-NW-9320          
    citric acid
    C6H8O7 H2O          (Mass of molecular ion:    192)
    

       Source Temperature: 200 °C
       Sample Temperature: 160 °C
       Direct, 75 eV
    

          14.0       2.1
          15.0       6.6
          17.0       4.2
          18.0      21.5
          19.0       1.3
          26.0       1.4
          27.0       4.5
          28.0      12.6
          29.0       6.9
          31.0       4.7
          37.0       1.4
          38.0       2.6
          39.0      12.4
          40.0       8.5
          41.0       4.3
          42.0      53.7
          43.0      76.1
          44.0      30.8
          45.0      18.8
          53.0       1.1
          55.0       2.6
          56.0      35.5
          57.0       4.1
          58.0       3.4
          60.0      38.3
          61.0       3.8
          67.0       1.1
          68.0       3.1
          69.0      16.9
          71.0       1.6
          74.0       1.2
          84.0      56.7
          85.0       4.2
          86.0       2.0
          87.0      61.8
          88.0       2.6
         102.0      40.2
         103.0       2.0
         105.0       1.0
         111.0      40.2
         112.0       5.3
         113.0       1.0
         115.0       4.1
         129.0     100.0
         130.0       6.4
         131.0       1.1
         133.0       1.0
         139.0       3.5
         147.0      17.1
         148.0       1.1
         157.0       1.7
         175.0       2.4
    

90 MHz in D2O


  • 1H NMR 89.56 MHz
    C6 H8 O7 0.035 g : 0.5 ml D2O
    citric acid
    ChemicalStructure
        Assign.     Shift(ppm)
    B *1 3.011 C *1 2.883 THE SOLVENT SIGNAL REMOVED. J(B,C)=-15.8HZ

         Hz     ppm     Int.
    

        282.75   3.158    192
        281.56   3.144     29
        271.31   3.030     34
        266.94   2.981    944
        264.38   2.952    103
        260.75   2.912   1000
        256.75   2.867     55
        256.19   2.861     47
        255.19   2.850     36
        254.56   2.843     33
        254.25   2.839     31
        253.81   2.834     29
        253.00   2.825     27
        244.94   2.735    203
    

in D2O



KBr disc



nujol mull



4880 A,200 M,powder