Product Name1,2,3,4,5-Pentamethylcyclopentadiene
CAS4045-44-7
Molecular FormulaC10H16
Molecular Weight136.23

Mass
MS-IW-1294 1,2,3,4,5-pentamethylcyclopentadiene C10H16 (Mass of molecular ion: 136)
Source Temperature: 240 °C Sample Temperature: 160 °C Reservoir, 75 eV
27.0 2.8
29.0 1.7
39.0 4.0
41.0 4.3
43.0 2.3
51.0 2.3
53.0 2.7
55.0 1.8
63.0 1.1
65.0 2.9
67.0 1.4
77.0 8.2
78.0 1.8
79.0 12.0
91.0 13.6
92.0 1.4
93.0 20.4
94.0 1.8
103.0 3.6
104.0 1.4
105.0 37.7
106.0 8.5
107.0 6.9
108.0 2.0
115.0 1.6
117.0 1.7
119.0 11.4
120.0 4.4
121.0 100.0
122.0 10.3
123.0 1.9
135.0 6.4
136.0 64.8
137.0 8.1
138.0 1.1
400 MHz in CDCl3

| 1H NMR | 399.65 MHz |
| C10 H16 | 0.05 ml : 0.5 ml CDCl3 |
| 1,2,3,4,5-pentamethylcyclopentadiene | |
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Assign. Shift(ppm) |
Hz ppm Int.
1003.17 2.511 20
995.48 2.491 51
987.79 2.472 50
723.63 1.811 977
723.27 1.810 1000
706.54 1.768 675
705.69 1.766 794
704.83 1.764 875
703.98 1.762 844
404.91 1.014 846
400.51 1.003 46
397.22 0.994 863
in CDCl3

liquid film


1,2,3,4,5-Pentamethylcyclopentadiene(4045-44-7) IR1 Atlas of Related Products