Mass
MS-NW-1162 diethyl acetylenedicarboxylate C8H10O4 (Mass of molecular ion: 170)
Source Temperature: 240 °C Sample Temperature: 170 °C Reservoir, 75 eV
15.0 5.3 18.0 2.3 25.0 1.2 26.0 4.7 27.0 28.5 28.0 6.9 29.0 55.5 30.0 2.0 31.0 3.2 39.0 1.9 41.0 1.2 42.0 2.5 43.0 10.7 44.0 1.4 45.0 19.7 51.0 1.1 52.0 11.8 53.0 93.3 54.0 5.3 55.0 2.1 66.0 1.4 67.0 1.3 68.0 3.4 69.0 6.8 70.0 4.1 79.0 1.4 80.0 18.8 81.0 5.5 82.0 4.6 84.0 1.0 96.0 2.2 97.0 11.6 98.0 47.2 99.0 3.9 112.0 1.3 113.0 5.6 115.0 4.6 119.0 1.4 124.0 15.5 125.0 100.0 126.0 15.2 127.0 1.9 143.0 2.9
90 MHz in CDCl3
1H NMR | 89.56 MHz |
C8 H10 O4 | 0.04 ml : 0.5 ml CDCl3 |
diethyl acetylenedicarboxylate |
![]() |
Assign. Shift(ppm) |
Hz ppm Int.
396.13 4.424 120 388.94 4.343 425 381.75 4.263 447 374.69 4.184 139 126.69 1.415 461 123.88 1.384 28 119.63 1.336 1000 117.19 1.309 30 116.63 1.303 34 112.38 1.255 407
in CDCl3
CCl4 solution
liquid film
4880 A,200 M,liquid
丁炔二酸二乙酯(762-21-0)質(zhì)譜(MS)相關(guān)產(chǎn)品圖譜