馬來酸酐(108-31-6)質(zhì)譜(MS)
InChI:InChI=1S/C4H2O3/c5-3-1-2-4(6)7-3/h1-2H
InChIKey: FPYJFEHAWHCUMM-UHFFFAOYSA-N
Smiles:O1C(=O)C=CC1=O
-

Mass
MS-NW-1870
maleic anhydride
C4H2O3 (Mass of molecular ion: 98)
Source Temperature: 240 °C
Sample Temperature: 180 °C
Reservoir, 75 eV
12.0 1.7
13.0 3.3
14.0 1.3
24.0 3.0
25.0 12.7
26.0 95.5
27.0 2.8
28.0 6.2
29.0 2.6
36.0 1.4
37.0 1.6
41.0 3.6
44.0 4.1
52.0 2.3
53.0 10.2
54.0 100.0
55.0 3.5
98.0 20.3
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1H NMR |
300 MHz |
C4 H2 O3
|
0.02 ml : 0.5 ml CDCl3
|
maleic anhydride
|
 |
Parameter ppm Hz
D(A) 7.048
|
Hz ppm Int.
2114.40 7.048 1000