1-Hydroxy-2-naphthoic acid

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

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);