2,3-二甲基马来酸酐(766-39-2)红外图谱(IR1)
InChI:InChI=1S/C6H6O3/c1-3-4(2)6(8)9-5(3)7/h1-2H3
InChIKey: MFGALGYVFGDXIX-UHFFFAOYSA-N
Smiles:O1C(=O)C(C)=C(C)C1=O
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Mass
MS2006-03265WA
2,3-dimethylmaleic anhydride
C6H6O3 (Mass of molecular ion: 126)
Source Temperature: 250 °C
Sample Temperature: 250 °C
Reservoir, 70 eV
26.0 6.1
27.0 18.0
28.0 5.6
29.0 1.5
37.0 4.4
38.0 5.7
39.0 66.4
40.0 2.5
43.0 1.1
44.0 1.7
45.0 1.7
49.0 4.5
50.0 18.8
51.0 19.0
52.0 11.1
53.0 36.0
54.0 100.0
55.0 4.4
66.0 1.3
67.0 3.8
82.0 81.9
83.0 4.5
126.0 27.2
127.0 1.9
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| 1H NMR |
399.65 MHz |
| C6 H6 O3
|
0.038 g : 0.5 ml CDCl3
|
| 2,3-dimethylmaleic anhydride
|
 |
Assign. Shift(ppm)
A 2.085
|
Hz ppm Int.
833.25 2.085 1000