3,3-Dimethylacrylic acid (541-47-9) IR2
Molecular FormulaC5H8O2
Molecular Weight100.12
InChIInChI=1S/C5H8O2/c1-4(2)3-5(6)7/h3H,1-2H3,(H,6,7)
InChIKey YYPNJNDODFVZLE-UHFFFAOYSA-N
SmilesC(O)(=O)/C=C(\C)/C
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![](https://www.chemicalbook.com/Spectrum/541-47-9_MS.gif)
Mass
MS-NW-4630
3-methyl-2-butenoic acid
C5H8O2 (H2O) (Mass of molecular ion: 100)
Source Temperature: 260 °C
Sample Temperature: 180 °C
Reservoir, 75 eV
15.0 2.9
18.0 4.0
26.0 5.0
27.0 33.3
28.0 8.5
29.0 36.1
31.0 2.5
37.0 4.6
38.0 8.7
39.0 64.2
40.0 7.0
41.0 31.4
42.0 6.8
43.0 17.7
44.0 2.1
45.0 11.8
49.0 2.2
50.0 7.6
51.0 7.4
52.0 3.0
53.0 18.8
54.0 29.5
55.0 48.7
56.0 3.2
57.0 9.1
58.0 3.2
59.0 8.4
60.0 5.2
67.0 5.5
69.0 1.1
71.0 1.1
82.0 48.5
83.0 47.3
84.0 2.9
85.0 35.4
86.0 1.7
100.0 100.0
101.0 5.9