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网站主页CAS数据库列表 290-37-9更多图谱吡嗪(290-37-9)核磁图(1HNMR)

吡嗪

产品名称 吡嗪

CAS号290-37-9

分子式C4H4N2

分子量80.09

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  • Mass

    MS-NW-5010          
    pyrazine
    C4H4N2              (Mass of molecular ion:     80)
    

       Source Temperature: 240 °C
       Sample Temperature: 190 °C
       Reservoir, 75 eV
    

          25.0       2.2
          26.0      42.3
          27.0       2.7
          28.0       5.6
          38.0       1.8
          39.0       2.0
          40.0       1.4
          50.0       1.0
          51.0       7.1
          52.0      10.4
          53.0      45.3
          54.0       1.7
          80.0     100.0
          81.0       5.6
    

parameter in CDCl3


  • 1H NMR 300 MHz
    C4 H4 N2 0.037 g : 0.5 ml CDCl3
    pyrazine
    ChemicalStructure
        Parameter     ppm  Hz
    D(A) 8.590

         Hz     ppm     Int.
    

       2577.00   8.590   1000
    

in CDCl3



KBr disc



nujol mull





TRIPLE CATION, WITH LI IN MTHF

ANION RADICAL, ELECTROLYTIC REDUCTION

ANION RADICAL, REDUCTION WITH NA IN LIQ. NH3

ANION RADICAL, REDUCTION WITH K IN DME, -80C