4,10-DIOXATRICYCLO[5.2.1.0(2,6)]DEC-8-ENE-3,5-DIONE(5426-09-5) IR1
Product Name4,10-DIOXATRICYCLO[5.2.1.0(2,6)]DEC-8-ENE-3,5-DIONE
CAS5426-09-5
Molecular FormulaC8H6O4
Molecular Weight166.13
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MassMS-NW-7871 3,6-epoxy-1,2,3,6-tetrahydrophthalic anhydride C8H6O4 (Mass of molecular ion: 166)
Source Temperature: 170 °C Sample Temperature: 140 °C Direct, 75 eV
25.0 1.4 26.0 13.0 27.0 1.8 28.0 1.8 29.0 4.3 37.0 2.0 38.0 4.8 39.0 30.1 40.0 8.7 42.0 2.9 51.0 1.2 53.0 1.7 54.0 10.8 63.0 1.5 65.0 6.4 66.0 10.9 68.0 100.0 69.0 4.6 94.0 5.1 98.0 4.6 121.0 4.0
400 MHz in CDCl3
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1H NMR 399.65 MHz C8 H6 O4 saturated in CDCl3 3,6-epoxy-1,2,3,6-tetrahydrophthalic anhydride 
Assign. Shift(ppm)
A 6.584 B 5.464 C 3.183
Hz ppm Int.2632.20 6.587 425 2631.35 6.585 552 2630.37 6.582 332 2626.22 6.572 24 2184.57 5.467 436 2183.72 5.465 551 2182.74 5.462 329 1272.34 3.184 1000
in CDCl3
KBr disc
nujol mull
