17342-09-5

(E)-1,4-BIS(4-METHYLPHENYL)-2-BUTENE-1,4-DIONE(17342-09-5) MS

Product Name(E)-1,4-BIS(4-METHYLPHENYL)-2-BUTENE-1,4-DIONE

CAS 17342-09-5

Molecular FormulaC18H16O2

Molecular Weight264.32

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IR1

IR2

(E)-1,4-BIS(4-METHYLPHENYL)-2-BUTENE-1,4-DIONE(17342-09-5) MS
Mass

MS-IW-7029          
trans-1,4-di(p-tolyl)-2-buten-1,4-dione
C18H16O2            (Mass of molecular ion:    264)

   Source Temperature: 150 °C
   Sample Temperature: 140 °C
   Direct, 75 eV

      18.0       4.3
      39.0       1.4
      63.0       1.1
      65.0       7.6
      89.0       1.6
      90.0       1.2
      91.0      25.1
      92.0       2.4
     115.0       1.2
     117.0       1.1
     119.0     100.0
     120.0       9.0
     145.0       4.3
     173.0       1.8
     221.0       2.5
     235.0       1.4
     236.0       2.8
     248.0       3.1
     249.0       1.1
     264.0      66.6
     265.0      13.2
     266.0       2.0

KBr disc

nujol mull

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