1-nitro-4-[2-(4-nitrophenyl)ethynyl]benzene(2735-14-0) IR2

Mass

MS-IW-1135          
1,2-bis(p-nitrophenyl)acetylene
C14H8N2O4           (Mass of molecular ion:    268)

   Source Temperature: 200 °C
   Sample Temperature: 190 °C
   Direct, 75 eV

      74.0       1.1
      75.0       1.8
      87.0       1.3
      88.0       1.3
      98.0       1.0
      99.0       1.2
     126.0       1.6
     137.0       1.2
     138.0       1.0
     149.0       1.5
     150.0       6.2
     151.0       1.3
     152.0       1.8
     163.0       8.1
     164.0       4.2
     165.0       1.4
     174.0       3.8
     175.0       8.6
     176.0      22.5
     177.0       4.1
     178.0       1.2
     180.0       2.7
     192.0       3.2
     208.0       1.8
     210.0       2.3
     222.0       5.4
     223.0       1.0
     238.0      12.7
     239.0       2.0
     252.0       2.0
     268.0     100.0
     269.0      16.2
     270.0       8.5
     271.0       1.2