丙二酸

产品名称丙二酸

CAS号141-82-2

分子式C3H4O4

分子量104.06

Mass

MS-NW-2634          
malonic acid
C3H4O4              (Mass of molecular ion:    104)

   Source Temperature: 200 °C
   Sample Temperature: 140 °C
   Direct, 75 eV

      12.0       2.1
      13.0       3.8
      14.0      19.3
      15.0      23.6
      16.0       2.4
      17.0       3.0
      18.0      12.2
      28.0       9.1
      29.0      10.8
      31.0       8.8
      36.0       1.0
      40.0       1.6
      41.0       9.0
      42.0     100.0
      43.0      49.1
      44.0      43.8
      45.0      63.8
      46.0       1.0
      59.0       1.1
      60.0      80.5
      61.0       1.9
      69.0       2.6
      87.0       8.6
     104.0       1.9

90 MHz in acetone-d6

90 MHz in DMSO-d6

¹H NMR	89.56 MHz
C₃ H₄ O₄	0.013 g : 0.5 ml acetone-d₆
malonic acid

    Assign.     Shift(ppm)

      A            11.19
      B             3.446

     Hz     ppm     Int.

   1002.06  11.189    476
    308.90   3.450   1000
    305.14   3.408     56

¹H NMR	89.56 MHz
C₃ H₄ O₄	0.013 g : 0.5 ml DMSO-d₆
malonic acid

    Assign.     Shift(ppm)

      A            11.5
      B             3.260

     Hz     ppm     Int.

   1026.46  11.462     27
    292.29   3.264   1000

KBr disc

nujol mull

4880 A,200 M,powder

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丙二酸(141-82-2)质谱(MS) 相关产品图谱

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