2-(4-Hydroxyphenylazo)benzoic acid(1634-82-8) MS
Molecular FormulaC13H10N2O3
Molecular Weight242.23
InChIInChI=1S/C13H10N2O3/c16-10-7-5-9(6-8-10)14-15-12-4-2-1-3-11(12)13(17)18/h1-8,16H,(H,17,18)
InChIKey DWQOTEPNRWVUDA-UHFFFAOYSA-N
SmilesC(O)(=O)C1=CC=CC=C1N=NC1=CC=C(O)C=C1
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![](https://www.chemicalbook.com/Spectrum/1634-82-8_MS.gif)
Mass
MS-NW-0647
o-(p-hydroxyphenylazo)benzoic acid
C13H10N2O3 (Mass of molecular ion: 242)
Source Temperature: 210 °C
Sample Temperature: 140 °C
Direct, 75 eV
18.0 3.3
26.0 1.0
27.0 2.1
28.0 2.3
37.0 1.1
38.0 3.0
39.0 25.5
40.0 1.2
44.0 1.6
50.0 4.3
51.0 6.4
52.0 5.9
53.0 4.1
55.0 1.0
62.0 1.6
63.0 5.9
64.0 5.9
65.0 51.5
66.0 3.4
74.0 1.0
75.0 1.6
76.0 3.6
77.0 6.0
78.0 1.2
79.0 1.1
80.0 1.1
91.0 1.1
92.0 3.5
93.0 100.0
94.0 7.3
104.0 1.6
105.0 1.5
109.0 1.3
115.0 2.7
119.0 2.1
121.0 80.0
122.0 6.0
137.0 1.2
139.0 2.8
140.0 1.5
141.0 4.1
149.0 1.1
168.0 2.6
169.0 2.1
181.0 2.2
197.0 7.3
198.0 4.7
226.0 2.3
242.0 30.3
243.0 4.6