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Dimethyl phosphite

Product Name Dimethyl phosphite

CAS868-85-9

MFC2H7O3P

MW110.05

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  • Mass

    MS-NW-0989          
    dimethyl phosphite
    C2H7O3P             (Mass of molecular ion:    110)
    

       Source Temperature: 240 °C
       Sample Temperature: 130 °C
       Reservoir, 75 eV
    

          15.0      18.0
          18.0       1.2
          28.0       3.4
          29.0       6.6
          30.0       1.2
          31.0      14.2
          32.0       1.9
          47.0      29.6
          48.0       3.2
          49.0       7.1
          65.0       5.8
          77.0       2.1
          78.0       1.1
          79.0      90.7
          80.0     100.0
          81.0       2.1
          93.0       1.2
          95.0      14.3
         109.0       6.7
         110.0       5.5
    

90 MHz in CDCl3


  • 1H NMR 89.56 MHz
    C2 H7 O3 P 0.05 ml : 0.5 ml CDCl3
    dimethyl phosphite
    ChemicalStructure
        Assign.     Shift(ppm)
    A 6.772 B 3.790 J(P-31,A)=697.6HZ, J(P-31,B)=11.7HZ

         Hz     ppm     Int.
    

        955.30  10.667    154
        345.56   3.859   1000
        342.26   3.822     28
        340.80   3.806     26
        333.62   3.726    992
        330.54   3.691     30
        330.40   3.690     30
        328.71   3.671     25
        257.81   2.879    155
    

in CDCl3



liquid film



4880 A,200 M,liquid