3,4-二乙氧基苯甲酸

产品名称 3,4-二乙氧基苯甲酸

CAS号5409-31-4

分子式C11H14O4

分子量210.23

¹³CNMR

Mass

MS2014-05090CW      
3,4-diethoxybenzoic acid
C11H14O4            (Mass of molecular ion:    210)

   Source Temperature: 240 °C
   Sample Temperature:  20 °C
   Direct, 70 eV

      18.0       2.7
      27.0       2.6
      29.0       3.7
      39.0       1.0
      43.0       1.1
      50.0       1.2
      51.0       3.9
      52.0       1.8
      53.0       1.5
      55.0       1.1
      63.0       2.1
      65.0       1.4
      79.0       4.2
      80.0       1.0
      81.0       3.3
      91.0       1.6
      97.0       6.4
     107.0       1.1
     108.0       1.4
     109.0       3.3
     119.0       1.5
     125.0       5.0
     126.0       1.0
     137.0      33.2
     138.0       2.8
     153.0      15.8
     154.0     100.0
     155.0       7.6
     156.0       1.0
     165.0       3.0
     182.0      15.0
     183.0       1.5
     210.0      46.2
     211.0       5.6

90 MHz in CDCl3

in CDCl3

¹H NMR	89.56 MHz
C₁₁ H₁₄ O₄	0.039 g : 0.5 ml CDCl₃
3,4-diethoxybenzoic acid

    Assign.     Shift(ppm)

      A            12.2
      B             7.74
      C             7.61
      D             6.905
      E             4.16
      F             1.48

     Hz     ppm     Int.

   1095.63  12.234     35
    697.44   7.788     86
    694.36   7.754     48
    693.51   7.744     47
    689.32   7.697    106
    685.30   7.652     67
    681.29   7.608    156
    622.07   6.946    150
    618.05   6.901     34
    617.63   6.897     35
    613.70   6.853    126
    383.50   4.283    153
    380.85   4.253     56
    376.57   4.205    486
    373.07   4.166     97
    369.65   4.128    528
    362.56   4.049    192
    139.54   1.559    499
    133.04   1.486    964
    132.53   1.480   1000
    125.95   1.407    476
    118.43   1.323     30

in CDCl3

KBr disc

nujol mull

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3,4-二乙氧基苯甲酸(5409-31-4)质谱(MS) 相关产品图谱

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