2,3-Butanedione monoxime(57-71-6) Raman
Product Name2,3-Butanedione monoxime
CAS57-71-6
Molecular FormulaC4H7NO2
Molecular Weight101.1
InChIInChI=1S/C4H7NO2/c1-3(5-7)4(2)6/h7H,1-2H3
InChIKey FSEUPUDHEBLWJY-UHFFFAOYSA-N
SmilesCC(=NO)C(=O)C
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MassMS-IW-1464 biacetyl monooxime C4H7NO2 (Mass of molecular ion: 101)
Source Temperature: 260 °C Sample Temperature: 150 °C Reservoir, 75 eV
14.0 2.4 15.0 11.3 18.0 1.3 26.0 1.8 27.0 2.9 28.0 5.0 29.0 1.3 30.0 1.2 31.0 3.6 38.0 1.9 39.0 3.4 40.0 8.7 41.0 15.0 42.0 25.0 43.0 100.0 44.0 5.0 45.0 1.4 55.0 1.0 58.0 10.3 60.0 1.6 84.0 1.3 86.0 1.2 101.0 31.4 102.0 3.0
90 MHz in CDCl3
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1H NMR 89.56 MHz C4 H7 N O2 0.036 g : 0.5 ml CDCl3 biacetyl monooxime 
Assign. Shift(ppm)
A 9.23 to 9.14 B 2.402 C 2.002
Hz ppm Int.821.75 9.176 66 215.19 2.403 1000 212.06 2.368 26 182.56 2.039 38 179.38 2.003 993 176.38 1.970 22 176.06 1.966 23
in CDCl3
KBr disc
nujol mull
4880 A,200 M,powder
