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1-Hydroxy-2-naphthoic acid

Product Name 1-Hydroxy-2-naphthoic acid

CAS86-48-6

MFC11H8O3

MW188.18

¹³CNMR

Mass

MS-NW-0349          
1-hydroxy-2-naphthoic acid
C11H8O3             (Mass of molecular ion:    188)

   Source Temperature: 170 °C
   Sample Temperature: 130 °C
   Direct, 75 eV

      18.0       2.2
      39.0       3.0
      44.0       3.5
      50.0       1.8
      51.0       2.2
      53.0       1.3
      56.5       1.1
      57.0       9.8
      57.5       3.2
      58.0       1.0
      62.0       3.2
      63.0       6.5
      64.0       1.5
      65.0       1.6
      71.0      10.4
      71.5       1.4
      74.0       2.2
      75.0       1.9
      77.0       1.5
      85.0       6.6
      85.5       1.1
      86.0       1.8
      87.0       2.9
      88.0       5.7
      89.0       3.2
      94.0       1.4
     103.0       1.0
     113.0       8.5
     114.0      55.4
     115.0      16.6
     116.0       4.4
     142.0       9.9
     143.0       2.6
     144.0      13.0
     145.0       1.5
     170.0     100.0
     171.0      12.9
     172.0       1.3
     188.0      40.0
     189.0       5.1

in DMSO_d6

90 MHz in DMSO-d6

1HNMR (400 MHz, DMSO) δ 12.82 (s, 1H), 8.57 (d, J = 8.68 Hz, 1H), 7.99 (t, J = 9.08 Hz, 1H), 7.86(t, J = 7.76 Hz, 1H), 7.56(m, 1H) 7.36(m, 1H) 7.22(m, 1H);

¹H NMR	89.56 MHz
C₁₁ H₈ O₃	0.044 g : 0.5 ml DMSO-d₆
1-hydroxy-2-naphthoic acid

    Assign.     Shift(ppm)

      A            12.8
      B             8.334
      C             7.93
      D             7.800
      E     *1      7.67
      F     *1      7.62
      G             7.417

     Hz     ppm     Int.

   1146.64  12.804     38
    751.87   8.396    217
    750.93   8.385    170
    749.90   8.374    133
    748.71   8.360    121
    747.85   8.351    105
    744.78   8.316    220
    742.21   8.288    292
    741.44   8.279    164
    738.62   8.248     35
    738.02   8.241     31
    714.61   7.980    125
    712.13   7.952    186
    708.54   7.912    154
    706.49   7.889    237
    705.21   7.875    332
    703.85   7.859    682
    702.14   7.840     99
    699.91   7.815     35
    699.40   7.810     32
    697.95   7.794    130
    695.98   7.772    296
    695.13   7.762   1000
    691.28   7.719    521
    689.32   7.697    400
    687.95   7.682    451
    684.79   7.647    715
    681.54   7.610    304
    680.18   7.595    287
    678.30   7.574    290
    673.43   7.520    110
    671.63   7.500     81
    668.38   7.463    477
    667.70   7.456    515
    659.33   7.362    317
    658.90   7.358    303

in DMSO_d6

in DMSO-d6