Product NameButyraldehyde
CAS123-72-8
Molecular FormulaC4H8O
Molecular Weight72.11
InChIInChI=1S/C4H8O/c1-2-3-4-5/h4H,2-3H2,1H3
InChIKey ZTQSAGDEMFDKMZ-UHFFFAOYSA-N
SmilesC(=O)CCC

Mass
MS2017-05407CM butyraldehyde C4H8O (Mass of molecular ion: 72)
Source Temperature: 250 °C Sample Temperature: 250 °C Reservoir, 70 eV
14.0 1.8
15.0 3.9
18.0 2.1
26.0 6.1
27.0 53.7
28.0 14.1
29.0 41.2
31.0 1.9
37.0 2.9
38.0 5.2
39.0 27.6
40.0 3.6
41.0 70.0
42.0 9.1
43.0 74.4
44.0 100.0
45.0 3.0
50.0 1.4
53.0 1.6
54.0 3.5
55.0 2.2
57.0 31.5
58.0 1.1
71.0 8.9
72.0 92.8
73.0 5.1
90 MHz in CDCl3

| 1H NMR | 89.56 MHz |
| C4 H8 O | 0.04 ml : 0.5 ml CDCl3 |
| butyraldehyde | |
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Assign. Shift(ppm) |
Hz ppm Int.
876.34 9.785 203
874.51 9.765 396
872.68 9.745 208
224.85 2.511 107
223.97 2.501 126
223.02 2.491 113
222.14 2.481 124
217.02 2.424 305
216.14 2.414 291
215.70 2.409 214
215.11 2.402 264
210.42 2.350 228
209.77 2.343 388
209.18 2.336 304
208.67 2.330 356
207.93 2.322 233
202.59 2.263 228
201.78 2.254 275
168.02 1.877 70
161.50 1.804 137
160.47 1.792 195
154.54 1.726 166
153.52 1.715 380
152.56 1.704 249
148.61 1.660 60
147.51 1.648 134
147.00 1.642 200
146.56 1.637 263
145.39 1.624 330
140.92 1.574 64
140.04 1.564 103
138.65 1.549 237
132.28 1.477 75
131.76 1.472 107
95.00 1.061 209
94.26 1.053 480
93.60 1.046 606
93.02 1.039 318
90.31 1.009 59
88.92 0.993 100
87.38 0.976 635
86.72 0.969 1000
86.13 0.962 639
82.25 0.919 84
80.57 0.900 153
79.76 0.891 331
79.10 0.884 335
78.00 0.871 184
in CDCl3

CCl4 solution

Liquid film

4880 A,200 M,liquid

Butyraldehyde(123-72-8) 1H NMR Atlas of Related Products
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