77709-02-5

4,6-二氨基嘧啶半硫酸盐一水(77709-02-5)质谱(MS)

产品名称:4,6-二氨基嘧啶半硫酸盐一水

CAS:77709-02-5

分子式:C4H8N4O4S

分子量: 208.19

Mass

MS-NW-7873          
4,6-pyrimidinediamine hemisulfate
C4H6N4 1/2H2O4S     (Mass of molecular ion:    110)

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

      17.0       2.7
      18.0      15.0
      27.0       2.1
      28.0      15.8
      29.0       2.4
      38.0       1.0
      39.0       2.8
      40.0      12.6
      41.0      24.9
      42.0       3.9
      43.0      16.1
      44.0       2.1
      45.0       1.6
      53.0       1.6
      54.0       1.2
      55.0      10.1
      56.0       9.1
      65.0       1.0
      66.0       9.0
      67.0      23.0
      68.0       4.4
      70.0       3.0
      82.0       2.5
      83.0      33.1
      84.0       1.4
     110.0     100.0
     111.0       6.3

400 MHz in DMSO-d6

¹H NMR	399.65 MHz
C₄ H₆ N₄	0.038 g : 0.5 ml DMSO-d₆
4,6-pyrimidinediamine hemisulfate

    Assign.     Shift(ppm)

      A             8.046
      B     *1      7.23
      C     *1      5.9
      D             5.543

     Hz     ppm     Int.

   3216.19   8.048    949
   2887.45   7.225    277
   2359.38   5.904     59
   2215.94   5.545    891
   2215.21   5.543   1000

in DMSO-d6

KBr disc

nujol mull

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