Butyric anhydride(106-31-0) Raman
Product NameButyric anhydride
CAS106-31-0
Molecular FormulaC8H14O3
Molecular Weight158.2
InChIInChI=1S/C8H14O3/c1-3-5-7(9)11-8(10)6-4-2/h3-6H2,1-2H3
InChIKey YHASWHZGWUONAO-UHFFFAOYSA-N
SmilesC(=O)(CCC)OC(=O)CCC
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MassMS-NW-3133 butyric anhydride C8H14O3 (Mass of molecular ion: 158)
Source Temperature: 280 °C Sample Temperature: 180 °C Reservoir, 75 eV
26.0 1.3 27.0 13.1 28.0 1.1 29.0 2.3 39.0 5.6 40.0 1.1 41.0 13.4 42.0 4.4 43.0 45.8 44.0 1.4 45.0 1.1 55.0 5.3 60.0 8.3 70.0 3.9 71.0 100.0 72.0 4.7 73.0 2.7
90 MHz in CDCl3
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1H NMR 89.56 MHz C8 H14 O3 0.05 ml : 0.5 ml CDCl3 butyric anhydride 
Assign. Shift(ppm)
A 2.429 B 1.69 C 1.00
Hz ppm Int.226.13 2.525 240 225.25 2.516 258 218.81 2.444 450 218.13 2.436 594 215.75 2.410 39 211.63 2.363 383 211.00 2.356 400 170.25 1.901 49 163.63 1.828 94 162.63 1.816 157 155.75 1.740 278 154.69 1.728 178 148.75 1.661 208 147.63 1.649 253 142.06 1.587 71 140.81 1.573 179 133.81 1.495 52 96.38 1.077 293 95.69 1.069 533 92.19 1.030 30 90.88 1.015 34 88.88 0.993 1000 88.13 0.985 616 81.94 0.915 188 81.13 0.906 330 80.13 0.895 174
in CDCl3
liquid film
