Product NameDimethyl oxalate
CAS553-90-2
Molecular FormulaC4H6O4
Molecular Weight118.09
InChIInChI=1S/C4H6O4/c1-7-3(5)4(6)8-2/h1-2H3
InChIKey LOMVENUNSWAXEN-UHFFFAOYSA-N
SmilesC(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
parameter in CDCl3

| 1H NMR | 300 MHz |
| C4 H6 O4 | 0.040 g : 0.5 ml CDCl3 |
| methyl oxalate | |
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Parameter ppm Hz |
Hz ppm Int.
1174.50 3.915 1000
in CDCl3

CCl4 solution

KBr disc

nujol mull


Dimethyl oxalate(553-90-2) IR2 Atlas of Related Products
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