![](https://www.chemicalbook.com/Spectrum/902-47-6_MS_1.jpg)
Mass
MS-IW-7009
p-nitrobenzoic anhydride
C14H8N2O7 (Mass of molecular ion: 316)
Source Temperature: 170 °C
Sample Temperature: 150 °C
Direct, 75 eV
28.0 1.0
30.0 6.6
38.0 1.3
39.0 6.3
45.0 1.3
50.0 8.6
51.0 5.9
53.0 2.3
63.0 1.5
64.0 1.2
65.0 36.3
66.0 2.1
74.0 4.9
75.0 9.3
76.0 6.5
81.0 3.5
92.0 1.8
93.0 4.6
103.0 3.6
104.0 4.0
109.0 7.0
120.0 1.6
121.0 32.3
122.0 2.7
137.0 10.8
150.0 3.2
151.0 1.2
167.0 100.0
168.0 8.3
169.0 1.1