Tetramethylbenzidine

Mass

MS-NW-6877          
3,3',5,5'-tetramethylbenzidine
C16H20N2            (Mass of molecular ion:    240)

   Source Temperature: 200 °C
   Sample Temperature: 130 °C
   Direct, 75 eV

      18.0       1.5
      28.0       1.5
      39.0       1.7
      42.0       1.4
      51.0       1.2
      63.0       1.0
      65.0       1.1
      77.0       2.1
      91.0       1.6
     104.0       1.8
     104.5       1.5
     105.0       1.8
     112.0       1.8
     112.5       1.2
     115.0       1.6
     120.0       5.3
     128.0       1.2
     130.0       1.1
     152.0       1.3
     165.0       2.0
     166.0       1.0
     167.0       1.4
     168.0       1.1
     178.0       1.0
     180.0       2.2
     181.0       1.6
     182.0       1.5
     192.0       1.0
     193.0       2.0
     194.0       2.2
     195.0       2.2
     196.0       1.2
     206.0       1.0
     207.0       1.7
     208.0       4.0
     209.0       7.1
     210.0       4.3
     223.0       2.0
     224.0       3.1
     225.0       2.5
     239.0       7.7
     240.0     100.0
     241.0      18.3
     242.0       1.7

Assign. Shift(ppm) A 7.12 B 3.50 C 2.205

     Hz     ppm     Int.

    637.75   7.121    286
    312.75   3.493     45
    197.50   2.206   1000