Diphenylphosphinic acid(1707-03-5) ¹³C NMR

Product NameDiphenylphosphinic acid

CAS 1707-03-5

Molecular FormulaC12H11O2P

Molecular Weight218.19

InChIInChI=1S/C12H11O2P/c13-15(14,11-7-3-1-4-8-11)12-9-5-2-6-10-12/h1-10H,(H,13,14)

InChIKey BEQVQKJCLJBTKZ-UHFFFAOYSA-N

SmilesP(C1=CC=CC=C1)(C1=CC=CC=C1)(O)=O

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Mass

MS-NW-6984          
diphenylphosphinic acid
C12H11O2P           (Mass of molecular ion:    218)

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

      18.0       1.7
      27.0       2.6
      39.0       4.2
      47.0      11.3
      50.0       9.6
      51.0      28.6
      52.0       4.1
      63.0       1.8
      65.0       2.0
      66.0       1.0
      74.0       2.8
      75.0       2.3
      76.0       4.1
      77.0      45.8
      78.0      15.9
      79.0       1.2
      94.0      14.2
      95.0       1.1
      99.5       2.5
     100.0       1.0
     108.5       1.4
     109.0       1.1
     125.0       5.0
     141.0       7.4
     151.0       1.6
     152.0       9.0
     153.0       4.2
     154.0       2.4
     170.0       1.0
     199.0      46.3
     200.0       7.6
     201.0       1.3
     216.0       1.1
     217.0     100.0
     218.0      60.9
     219.0       9.7

400 MHz in DMSO-d6

¹H NMR	399.65 MHz
C₁₂ H₁₁ O₂ P	0.031 g : 0.5 ml DMSO-d₆
diphenylphosphinic acid

    Assign.     Shift(ppm)

      A             7.744
      B             7.50

     Hz     ppm     Int.

   3104.55   7.769    696
   3096.77   7.749    833
   3092.96   7.740    804
   3085.17   7.720    756
   3014.22   7.543    250
   3007.20   7.525    603
   3000.18   7.508    748
   2994.84   7.494    849
   2992.55   7.488    926
   2987.67   7.476    998
   2985.38   7.470   1000

in DMSO-d6