1,1-二甲氧基丙烷

产品名称 1,1-二甲氧基丙烷

CAS号4744-10-9

分子式C5H12O2

分子量104.15

¹³CNMR

Mass

MS-NW-1076          
propionaldehyde dimethyl acetal
C5H12O2             (Mass of molecular ion:    104)

   Source Temperature: 240 °C
   Sample Temperature: 170 °C
   Reservoir, 75 eV

      14.0       1.6
      15.0       7.5
      26.0       2.1
      27.0      10.8
      28.0      10.1
      29.0      14.3
      30.0       1.2
      31.0      19.2
      32.0       1.4
      33.0       1.0
      39.0       5.4
      40.0       1.0
      41.0      31.7
      42.0       4.6
      43.0       4.5
      45.0      31.9
      47.0      16.4
      55.0       1.0
      57.0       7.2
      58.0       3.3
      59.0       1.7
      71.0       7.0
      72.0      10.7
      73.0      80.5
      74.0       3.8
      75.0     100.0
      76.0       3.5
     103.0       1.5

90 MHz in CDCl3

¹H NMR	89.56 MHz
C₅ H₁₂ O₂	0.04 ml : 0.5 ml CDCl₃
propionaldehyde dimethyl acetal

    Assign.     Shift(ppm)

      A             4.290
      B             3.318
      C             1.620
      D             0.912

     Hz     ppm     Int.

    390.00   4.355     24
    384.38   4.292     48
    378.56   4.227     25
    297.31   3.320   1000
    151.88   1.696     30
    151.50   1.692     28
    146.25   1.633     28
    145.63   1.627     39
    144.38   1.613     37
    144.00   1.608     35
    138.56   1.548     38
     89.00   0.994     34
     88.31   0.987     66
     87.69   0.980     43
     81.25   0.908    117
     80.63   0.901     74
     74.25   0.830     21
     73.56   0.822     39
     72.50   0.810     25

in CDCl3

liquid film

4880 A,200 M,liquid

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