草酰乙酸(328-42-7)紅外圖譜(IR2)
InChI:InChI=1S/C4H4O5/c5-2(4(8)9)1-3(6)7/h1H2,(H,6,7)(H,8,9)
InChIKey: KHPXUQMNIQBQEV-UHFFFAOYSA-N
Smiles:C(O)(=O)C(=O)CC(O)=O
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Mass
MS-IW-2629
oxalacetic acid
C4H4O5 (Mass of molecular ion: 132)
Source Temperature: 170 °C
Sample Temperature: 140 °C
Direct, 75 eV
12.0 1.0
13.0 1.5
14.0 4.9
15.0 19.9
16.0 2.9
17.0 3.2
18.0 13.7
25.0 1.7
26.0 3.5
27.0 1.3
28.0 13.7
29.0 8.9
31.0 1.1
40.0 1.2
41.0 5.8
42.0 46.3
43.0 100.0
44.0 99.4
45.0 30.0
46.0 4.3
53.0 1.9
56.0 1.7
60.0 5.8
69.0 10.1
70.0 1.5
71.0 1.1
87.0 18.2
88.0 21.9
132.0 1.1