3,4-Diethoxybenzoic acid(5409-31-4) 13C NMR
Product Name3,4-Diethoxybenzoic acid
CAS5409-31-4
Molecular FormulaC11H14O4
Molecular Weight210.23
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MassMS2014-05090CW 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
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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
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in CDCl3
KBr disc
nujol mull
