1,8-Naphthalic anhydride(81-84-5) IR2
Molecular FormulaC12H6O3
Molecular Weight198.17
InChIInChI=1S/C12H6O3/c13-11-8-5-1-3-7-4-2-6-9(10(7)8)12(14)15-11/h1-6H
InChIKey GRSMWKLPSNHDHA-UHFFFAOYSA-N
SmilesC1(=O)OC(=O)C2=CC=CC3=C2C1=CC=C3
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![](https://www.chemicalbook.com/Spectrum/81-84-5_MS.gif)
Mass
MS-NW-0628
1,8-naphthalenedicarboxylic anhydride
C12H6O3 (Mass of molecular ion: 198)
Source Temperature: 180 °C
Sample Temperature: 160 °C
Direct, 75 eV
18.0 3.5
28.0 2.4
37.0 1.2
38.0 1.2
39.0 2.4
49.0 1.1
50.0 8.0
51.0 2.8
52.0 1.3
61.0 3.2
62.0 4.2
63.0 16.2
63.5 1.3
73.0 1.1
74.0 11.2
75.0 6.8
76.0 10.7
77.0 6.0
85.0 1.1
86.0 2.7
87.0 5.2
88.0 1.1
98.0 4.5
99.0 4.2
100.0 4.3
114.0 1.1
125.0 3.4
126.0 78.0
127.0 8.9
154.0 100.0
155.0 12.2
198.0 59.9
199.0 7.9