![图谱](https://www.chemicalbook.com/Spectrum/19576-08-0_MS_1.jpg)
Mass
MS-IW-9779
7a-methyl-7,7a-dihydro-1,5(6H)-indandione
C10H12O2 (Mass of molecular ion: 164)
Source Temperature: 130 °C
Sample Temperature: 110 °C
Direct, 75 eV
27.0 8.7
28.0 2.8
29.0 1.9
38.0 1.2
39.0 12.0
40.0 3.2
41.0 5.3
42.0 1.2
43.0 1.1
50.0 2.7
51.0 7.2
52.0 6.5
53.0 9.5
54.0 2.0
55.0 5.8
63.0 2.3
65.0 5.2
66.0 6.6
67.0 4.4
68.0 1.2
77.0 11.9
78.0 4.2
79.0 50.0
80.0 17.9
81.0 4.4
91.0 7.8
92.0 1.4
93.0 14.1
94.0 24.7
95.0 2.5
107.0 32.1
108.0 6.9
109.0 2.2
121.0 34.4
122.0 96.2
123.0 19.4
124.0 1.5
135.0 1.1
136.0 22.7
137.0 2.2
164.0 100.0
165.0 11.3
166.0 1.1