![](https://www.chemicalbook.com/Spectrum/7221-28-5_MS_1.jpg)
Mass
MS-IW-4588
O-(2,4-dinitroanilino)benzoic acid
C13H9N3O6 (Mass of molecular ion: 303)
Source Temperature: 170 °C
Sample Temperature: 180 °C
Direct, 75 eV
18.0 2.8
28.0 1.7
30.0 1.4
39.0 3.1
44.0 1.5
45.0 1.1
50.0 2.4
51.0 3.2
52.0 1.2
62.0 1.8
63.0 6.1
64.0 2.5
65.0 5.8
69.5 1.1
74.0 2.2
75.0 4.2
76.0 2.5
77.0 2.6
78.0 1.4
82.5 1.2
89.0 1.5
90.0 1.0
92.0 1.5
93.0 2.0
102.0 1.2
113.0 1.2
114.0 1.2
115.0 1.3
121.0 1.0
126.0 1.0
127.0 2.3
128.0 2.0
137.0 1.2
138.0 2.5
139.0 9.9
140.0 5.5
141.0 1.1
152.0 1.1
153.0 2.4
154.0 5.3
155.0 2.4
156.0 1.2
164.0 5.6
165.0 5.4
166.0 18.8
167.0 13.1
168.0 3.9
178.0 1.0
179.0 2.2
180.0 1.0
181.0 1.6
182.0 3.5
183.0 2.1
184.0 2.0
192.0 2.7
193.0 2.2
194.0 5.2
195.0 1.8
196.0 3.1
198.0 2.1
210.0 4.4
211.0 7.3
212.0 5.4
213.0 1.1
214.0 1.5
223.0 2.2
224.0 2.4
225.0 2.3
226.0 4.3
227.0 1.2
228.0 1.2
239.0 1.2
240.0 4.3
241.0 1.5
242.0 1.2
256.0 5.9
257.0 1.9
258.0 1.9
269.0 1.5
270.0 1.0
273.0 2.2
286.0 3.2
287.0 1.3
303.0 100.0
304.0 15.7
305.0 2.3