2-[(DIMETHYLAMINO)METHYLENE]PROPANEDIOIC ACID 1,3-DIMETHYL ESTER(18856-69-4)红外图谱(IR2)

Mass

MS-IW-3621          
dimethyl ((dimethylamino)methylene)malonate
C8H13NO4            (Mass of molecular ion:    187)

   Source Temperature: 120 °C
   Sample Temperature: 100 °C
   Direct, 75 eV

      15.0       8.2
      18.0       1.0
      27.0       2.0
      28.0       4.1
      29.0       1.4
      39.0       1.3
      41.0       8.1
      42.0      33.7
      43.0      23.7
      44.0       7.5
      45.0      20.8
      52.0       1.2
      53.0       7.4
      54.0       1.5
      55.0       6.0
      59.0       6.5
      67.0       2.7
      68.0      14.1
      69.0      19.6
      70.0       3.6
      72.0       7.0
      81.0       1.7
      82.0       3.9
      83.0       5.2
      84.0       1.4
      85.0       2.1
      87.0       2.5
      88.0      14.2
      95.0       1.7
      96.0       7.6
      97.0      24.1
      98.0      11.5
      99.0       1.5
     100.0       1.3
     112.0       3.0
     113.0       5.3
     114.0       1.7
     124.0      89.9
     125.0      17.3
     126.0       6.6
     127.0       1.7
     128.0      14.8
     129.0       1.3
     140.0       6.8
     142.0       2.6
     155.0      41.9
     156.0     100.0
     157.0       8.5
     187.0      45.5
     188.0       4.5

Assign. Shift(ppm) A 7.557 B *1 3.774 C *1 3.703 D 3.01

     Hz     ppm     Int.

   3020.14   7.557   1000
   1508.42   3.775    574
   1480.10   3.704    571
   1203.13   3.011    311