METHYLENEDIPHOSPHONIC ACID

Mass

MS-NW-7086          
methylenediphosphonic acid
CH6O6P2             (Mass of molecular ion:    176)

   Source Temperature: 250 °C
   Sample Temperature: 280 °C
   Direct, 75 eV

      17.0       8.9
      18.0      36.8
      28.0       4.0
      29.0       3.3
      31.0       1.2
      33.0       2.2
      44.0       1.5
      45.0       2.3
      47.0      63.9
      48.0       2.4
      49.0       1.1
      61.0       1.3
      62.0       1.2
      63.0       1.7
      64.0       1.5
      65.0       1.4
      77.0       3.3
      78.0       2.6
      81.0       6.1
      91.0       2.1
      94.0       6.3
      95.0       1.6
      96.0       1.2
      98.0       2.3
     107.0       2.7
     110.0       1.4
     111.0       5.0
     123.0       1.5
     124.0       1.0
     125.0       1.2
     127.0       2.1
     137.0       7.4
     153.0       1.8
     157.0       2.5
     171.0       1.0
     173.0       9.4
     174.0       1.5
     187.0       3.9
     188.0       1.2
     189.0       1.7
     191.0       6.4
     200.0       1.2
     201.0       1.1
     203.0       2.9
     205.0       1.9
     207.0       3.1
     217.0      30.9
     220.0       2.9
     221.0       1.0
     233.0       2.1
     237.0       5.7
     250.0       5.2
     251.0       1.4
     252.0       1.0
     253.0      22.2
     254.0       2.6
     264.0       1.8
     278.0       5.1
     279.0       1.0
     280.0     100.0
     281.0       2.8
     282.0       2.5

Assign. Shift(ppm) B 2.527 J(B,P-31)=20.8HZ THE SOLVENT SIGNAL REMOVED.

     Hz     ppm     Int.

    247.25   2.761    494
    244.06   2.726     29
    226.44   2.529   1000
    223.00   2.490     52
    222.44   2.484     42
    221.75   2.476     34
    221.38   2.472     31
    221.00   2.468     29
    220.88   2.467     29
    220.56   2.463     29
    208.44   2.328     28
    205.56   2.296    501