1,4,5,8-Naphthalenetetracarboxylic dianhydride(81-30-1) IR1
Molecular FormulaC14H4O6
Molecular Weight268.18
InChIInChI=1S/C14H4O6/c15-11-5-1-2-6-10-8(14(18)20-12(6)16)4-3-7(9(5)10)13(17)19-11/h1-4H
InChIKey YTVNOVQHSGMMOV-UHFFFAOYSA-N
SmilesC1(=O)OC(=O)C2=CC=C3C(=O)OC(=O)C4C3=C2C1=CC=4
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![](https://www.chemicalbook.com/Spectrum/81-30-1_MS.gif)
Mass
MS-NW-6779
1,4,5,8-naphthalenetetracarboxylic 1,8:4,5-dianhydride
C14H4O6 (Mass of molecular ion: 268)
Source Temperature: 180 °C
Sample Temperature: 180 °C
Direct, 75 eV
18.0 1.4
28.0 1.7
37.0 3.7
38.0 2.4
41.0 1.5
43.0 1.8
44.0 1.0
45.0 1.1
49.0 3.2
50.0 4.6
53.0 2.4
55.0 1.8
57.0 1.1
60.0 1.9
60.5 1.1
61.0 16.4
61.5 6.1
62.0 28.3
62.5 2.2
63.0 1.7
73.0 4.6
74.0 47.7
75.0 4.1
76.0 10.0
76.5 1.5
77.0 2.6
84.0 2.2
85.0 6.9
86.0 9.6
87.0 1.8
90.0 4.6
97.0 2.9
98.0 26.8
99.0 3.0
109.0 1.4
110.0 2.2
111.0 2.1
112.0 2.6
120.0 1.8
121.0 4.0
122.0 17.0
123.0 10.2
124.0 63.8
125.0 7.5
140.0 1.5
152.0 64.3
153.0 8.5
180.0 47.6
181.0 6.7
196.0 1.6
224.0 100.0
225.0 14.9
226.0 2.2
241.0 2.0
268.0 25.4
269.0 4.2
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![](https://www.chemicalbook.com/Spectrum/81-30-1_1HNMR_0.jpg)
1H NMR |
300 MHz |
C14 H4 O6
|
saturated in DMSO-d6
|
1,4,5,8-naphthalenetetracarboxylic 1,8:4,5-dianhydride
|
![ChemicalStructure](Spectrum/81-30-1_1HNMR_2_0.jpg) |
Parameter ppm Hz
D(A) 8.713
|
Hz ppm Int.
2613.90 8.713 1000