4-Hydroxycinnamic acid(7400-08-0) IR2
Molecular FormulaC9H8O3
Molecular Weight164.16
InChIInChI=1S/C9H8O3/c10-8-4-1-7(2-5-8)3-6-9(11)12/h1-6,10H,(H,11,12)
InChIKey NGSWKAQJJWESNS-UHFFFAOYSA-N
SmilesC(O)(=O)C=CC1=CC=C(O)C=C1
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![](https://www.chemicalbook.com/Spectrum/7400-08-0_MS_1.jpg)
Mass
MS-NW-2481
4-hydroxycinnamic acid
C9H8O3 (Mass of molecular ion: 164)
Source Temperature: 200 °C
Sample Temperature: 140 °C
Direct, 75 eV
17.0 1.2
18.0 6.2
27.0 1.8
28.0 2.0
38.0 1.9
39.0 9.1
40.0 1.0
41.0 1.2
44.0 2.5
45.0 1.6
45.5 1.2
50.0 2.3
51.0 4.2
53.0 2.5
55.0 1.9
59.0 2.3
59.5 1.4
61.0 1.2
62.0 2.9
63.0 6.7
64.0 2.6
65.0 13.2
66.0 1.4
68.0 1.8
69.0 1.7
73.5 1.1
74.0 1.1
75.0 1.6
77.0 3.6
79.0 2.0
82.0 1.2
89.0 5.7
90.0 2.4
91.0 18.8
92.0 1.8
94.0 2.1
95.0 1.5
101.0 1.4
107.0 9.6
108.0 1.2
110.0 1.0
118.0 18.9
119.0 23.9
120.0 6.9
121.0 1.9
123.0 2.2
135.0 2.1
136.0 3.9
146.0 3.0
147.0 39.8
148.0 4.0
163.0 25.4
164.0 100.0
165.0 10.0
166.0 1.1