DI-TERT-BUTYL ACETYLENEDICARBOXYLATE(66086-33-7) MS
Product NameDI-TERT-BUTYL ACETYLENEDICARBOXYLATE
CAS66086-33-7
Molecular FormulaC12H18O4
Molecular Weight226.27
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MassMS-NW-7551 di-tert-butyl acetylenedicarboxylate C12H18O4 (Mass of molecular ion: 226)
Source Temperature: 260 °C Sample Temperature: 170 °C Reservoir, 75 eV
15.0 1.4 26.0 2.0 27.0 4.0 28.0 2.7 29.0 10.4 39.0 7.8 40.0 1.7 41.0 26.4 42.0 1.3 43.0 7.3 44.0 8.6 52.0 1.0 53.0 11.5 55.0 3.4 56.0 17.0 57.0 100.0 58.0 4.5 59.0 14.6 80.0 2.4 81.0 1.4 97.0 3.4 111.0 1.0 125.0 1.6 153.0 2.8 155.0 1.5
parameter in CDCl3
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1H NMR 300 MHz C12 H18 O4 0.046 g : 0.5 ml CDCl3 di-tert-butyl acetylenedicarboxylate 
Parameter ppm Hz
D(A) 1.507
Hz ppm Int.452.10 1.507 1000
in CDCl3
KBr disc
nujol mull
