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16807-48-0

DEHYDROACETIC ACID

Product Name DEHYDROACETIC ACID

CAS16807-48-0

MFC8H8O4

MW168.15

  • 16807-48-0_ms_1
    Mass

    MS-NW-4803          
    3-acetyl-6-methyl-2H-pyran-2,4(3H)-dione
    C8H8O4              (Mass of molecular ion:    168)
    

       Source Temperature: 260 °C
       Sample Temperature: 180 °C
       Reservoir, 75 eV
    

          15.0       7.1
          26.0       1.6
          27.0       4.5
          28.0       3.9
          29.0       2.8
          37.0       1.6
          38.0       2.5
          39.0       6.7
          40.0       1.5
          41.0       2.6
          42.0       4.5
          43.0     100.0
          44.0       2.6
          50.0       1.1
          51.0       1.4
          53.0       3.7
          54.0       1.4
          55.0       5.6
          66.0       1.2
          67.0       2.8
          69.0      17.5
          70.0       1.5
          84.0      10.3
          85.0      48.9
          86.0       2.1
          97.0       1.8
          98.0      12.2
         111.0       9.6
         125.0      19.8
         126.0       2.9
         140.0       3.6
         153.0      41.1
         154.0       3.2
         168.0      59.4
         169.0       5.6
    

90 MHz in CDCl3

  • 16807-48-0_1hnmr_1

    1H NMR 89.56 MHz
    C8 H8 O4 0.051 g : 0.5 ml CDCl3
    3-acetyl-6-methyl-2H-pyran-2,4(3H)-dione
    ChemicalStructure
        Assign.     Shift(ppm)
    A 16.69 B 5.950 C 2.666 D 2.284 J(B,D)=-0.8HZ

         Hz     ppm     Int.
    

       1494.86  16.692    303
        533.35   5.956    162
        532.58   5.947    166
        238.87   2.668   1000
        235.90   2.634     33
        205.01   2.290    615
        204.24   2.281    594
    

in CDCl3

  • 16807-48-0_13cnmr_1

KBr disc

  • 16807-48-0_ir1_2

nujol mull

  • 16807-48-0_ir2_1