草酸二甲酯(553-90-2)红外图谱(IR2)
InChI:InChI=1S/C4H6O4/c1-7-3(5)4(6)8-2/h1-2H3
InChIKey: LOMVENUNSWAXEN-UHFFFAOYSA-N
Smiles:C(OC)(=O)C(OC)=O
-
Mass
MS-NW-5045
methyl oxalate
C4H6O4 (Mass of molecular ion: 118)
Source Temperature: 260 °C
Sample Temperature: 190 °C
Reservoir, 75 eV
14.0 1.7
15.0 74.6
16.0 1.3
28.0 10.6
29.0 19.3
30.0 6.4
31.0 6.4
33.0 1.1
43.0 4.1
44.0 8.9
45.0 32.9
46.0 1.0
59.0 100.0
60.0 3.8
118.0 2.5
-
| 1H NMR |
300 MHz |
| C4 H6 O4
|
0.040 g : 0.5 ml CDCl3
|
| methyl oxalate
|
 |
Parameter ppm Hz
D(A) 3.915
|
Hz ppm Int.
1174.50 3.915 1000