Product Name4,4'-Oxydiphthalic anhydride
CAS1823-59-2
Molecular FormulaC16H6O7
Molecular Weight310.21
InChIInChI=1S/C16H6O7/c17-13-9-3-1-7(5-11(9)15(19)22-13)21-8-2-4-10-12(6-8)16(20)23-14(10)18/h1-6H
InChIKey QQGYZOYWNCKGEK-UHFFFAOYSA-N
SmilesO(C1C=CC2C(=O)OC(=O)C=2C=1)C1C=CC2C(=O)OC(=O)C=2C=1
Mass
MS-IW-4947 4,4'-oxydiphthalic dianhydride C16H6O7 (Mass of molecular ion: 310)
Source Temperature: 170 °C Sample Temperature: 220 °C Direct, 75 eV
18.0 3.3 28.0 1.9 37.0 1.0 44.0 1.2 50.0 1.0 53.0 1.0 61.0 1.3 62.0 4.9 63.0 10.4 69.0 4.4 73.0 1.1 74.0 10.7 75.0 25.3 76.0 1.8 83.0 2.6 86.0 1.3 87.0 1.5 88.0 2.1 103.0 2.0 111.0 10.5 111.5 1.5 112.0 1.5 137.0 5.6 138.0 2.2 166.0 16.3 167.0 2.1 194.0 40.6 195.0 5.8 238.0 13.0 239.0 1.9 266.0 100.0 267.0 16.5 268.0 2.4 310.0 52.5 311.0 9.2 312.0 1.5
400 MHz in DMSO-d6
1H NMR | 399.65 MHz |
C16 H6 O7 | 0.037 g : 0.5 ml DMSO-d6 |
4,4'-oxydiphthalic dianhydride |
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Assign. Shift(ppm) |
Hz ppm Int.
3279.54 8.207 727 3279.17 8.206 721 3276.12 8.198 48 3275.02 8.195 51 3271.36 8.186 796 3270.87 8.185 793 3108.28 7.778 765 3106.57 7.774 1000 3103.03 7.765 84 3100.22 7.758 728 3097.90 7.752 456 3091.92 7.737 618 3089.72 7.732 479
in DMSO-d6
KBr disc
nujol mull
4,4'-Oxydiphthalic anhydride(1823-59-2) IR1 Atlas of Related Products
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