Pyromellitic Dianhydride(89-32-7) IR1
Molecular FormulaC10H2O6
Molecular Weight218.12
InChIInChI=1S/C10H2O6/c11-7-3-1-4-6(10(14)16-8(4)12)2-5(3)9(13)15-7/h1-2H
InChIKey ANSXAPJVJOKRDJ-UHFFFAOYSA-N
SmilesO1C(=O)C2=CC3=C(C=C2C1=O)C(=O)OC3=O
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![](https://www.chemicalbook.com/Spectrum/89-32-7_MS.gif)
Mass
MS2015-05279CW
1,2,4,5-benzenetetracarboxylic dianhydride
C10H2O6 (Mass of molecular ion: 218)
Source Temperature: 245 °C
Sample Temperature: 20 °C
Direct, 70 eV
37.0 6.5
50.5 1.2
51.0 4.3
61.0 1.0
65.0 2.3
73.0 6.8
74.0 15.4
75.0 1.0
101.0 5.3
102.0 30.5
103.0 2.3
174.0 100.0
175.0 9.6
176.0 1.2
218.0 2.2