4-Chlorobenzoic acid(74-11-3) IR2
Molecular FormulaC7H5ClO2
Molecular Weight156.57
InChIInChI=1S/C7H5ClO2/c8-6-3-1-5(2-4-6)7(9)10/h1-4H,(H,9,10)
InChIKey XRHGYUZYPHTUJZ-UHFFFAOYSA-N
SmilesC(O)(=O)C1=CC=C(Cl)C=C1
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![](https://www.chemicalbook.com/Spectrum/74-11-3_MS_1.jpg)
Mass
MS-NW-1834
p-chlorobenzoic acid
C7H5ClO2 (Mass of molecular ion: 156)
Source Temperature: 250 °C
Sample Temperature: 180 °C
Reservoir, 75 eV
18.0 2.7
27.0 1.7
28.0 1.0
36.0 1.1
37.0 6.1
37.5 3.5
38.0 9.3
39.0 4.9
45.0 3.5
49.0 3.1
50.0 26.3
51.0 13.3
52.0 1.2
53.0 1.6
55.5 2.6
61.0 2.1
62.0 1.2
63.0 2.0
64.0 3.8
65.0 5.2
69.5 2.1
73.0 4.9
74.0 15.1
75.0 33.6
76.0 8.7
77.0 7.4
84.0 1.5
85.0 3.8
87.0 1.2
104.0 1.0
110.0 1.9
111.0 49.5
112.0 4.3
113.0 15.9
114.0 1.2
128.0 2.9
139.0 100.0
140.0 7.9
141.0 32.8
142.0 2.9
156.0 85.3
157.0 6.6
158.0 28.1
159.0 2.2
173.0 1.0
190.0 1.0