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481-39-0

5-Hydroxy-1,4-naphthalenedione

Product Name 5-Hydroxy-1,4-naphthalenedione

CAS481-39-0

MFC10H6O3

MW174.15

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  • 481-39-0_ms
    Mass

    MS-NW-2067          
    5-hydroxy-1,4-naphthoquinone
    C10H6O3             (Mass of molecular ion:    174)
    

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

          17.0       1.3
          18.0       5.8
          26.0       3.8
          27.0       1.2
          28.0       2.9
          29.0       1.2
          37.0       4.1
          38.0       5.0
          39.0       6.5
          45.0       2.2
          46.0       1.7
          49.0       1.1
          50.0       2.5
          51.0       2.1
          53.0       6.5
          54.0       2.0
          59.0       2.7
          60.0       1.0
          61.0       3.9
          62.0       7.8
          63.0      20.9
          64.0      14.0
          65.0       2.5
          66.0       2.5
          73.0       1.6
          74.0       3.2
          75.0       1.9
          76.0       1.0
          77.0       1.0
          87.0       1.4
          89.0      12.1
          90.0      10.8
          91.0       4.4
          92.0      28.2
          93.0       2.0
         104.0       1.7
         105.0       1.0
         117.0       1.3
         118.0      50.9
         119.0       5.7
         120.0      28.1
         121.0       2.3
         130.0       1.3
         145.0       3.3
         146.0      18.6
         147.0       1.8
         173.0      19.7
         174.0     100.0
         175.0      12.0
         176.0       1.4
    

parameter in CDCl3

90 MHz in CDCl3

  • 481-39-0_1hnmr_0

    1H NMR 300 MHz
    C10 H6 O3 5 mol% in CDCl3
    5-hydroxy-1,4-naphthoquinone
    ChemicalStructure
        Parameter     ppm  Hz
    D(A) 7.579 D(B) 7.601 D(C) 7.243 D(D) 11.834 J(A,B) 7.56 J(A,C) 1.19 J(A,D) 0.0 J(B,C) 8.44 J(B,D) 0.37 J(C,D) 0.0 D(E) 6.917 CRECELY,K.M. ET AL. J.MAGN.RESON. 1, 633 (1969)

         Hz     ppm     Int.
    

       3550.23  11.834    430
       2289.70   7.632     40
       2282.14   7.607    165
       2276.87   7.590    209
       2274.94   7.583    307
       2274.44   7.581    321
       2269.35   7.564     56
       2266.83   7.556     11
       2183.27   7.278     11
       2177.54   7.258    140
       2175.06   7.250    122
       2170.43   7.235    113
       2167.96   7.227    117
       2075.09   6.917   1000
    

  • 481-39-0_1hnmr_2

    1H NMR 89.56 MHz
    C10 H6 O3 0.013 g : 0.5 ml CDCl3
    5-hydroxy-1,4-naphthoquinone
    ChemicalStructure
        Assign.     Shift(ppm)
    A 11.89 B 7.64 C 7.60 D 7.283 E 6.950 B AND C WERE CONFIRMED BY LAOCN PROGRAM. PEAK AT 7.26PPM INCLUDES CHCL3.

         Hz     ppm     Int.
    

       1065.12  11.893    393
        686.93   7.671    131
        685.05   7.650    188
        681.20   7.607    437
        678.55   7.577     24
        677.61   7.566     46
        660.35   7.374     34
        656.68   7.333    152
        652.66   7.288     89
        646.94   7.224     87
        622.50   6.951   1000
    

in CDCl3

  • 481-39-0_13cnmr

KBr disc

  • 481-39-0_ir1_2

nujol mull

  • 481-39-0_ir2