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1,8-Naphthalic Anhydride

CAS: 81-84-5 | C12H6O3

2D Structure

3D Structure

Loading 3D structure...

Basic Information

CAS Registry Number: 81-84-5
Molecular Formula: C12H6O3
Molecular Mass: 198.18 g/mol

Names and Synonyms:

1,8-Naphthalic Anhydride
1H,3H-Naphtho[1,8-cd]pyran-1,3-dione
Naphthalic anhydride
1,8-Naphthalic anhydride
Protect (agrochemical)
1,8-Naphthalenedicarboxylic acid anhydride
1,8-Naphthalic acid anhydride
1,8-Naphthalenedicarboxylic anhydride
Protect
1,8-Naphthoic anhydride
NSC 5747
1,8-Naphthanoic anhydride
Naphthalene-2,6-dicarboxylic acid anhydride

Identifiers:

SMILES:
O=C1OC(=O)c2cccc3cccc1c23
InChI:
InChI=1S/C12H6O3/c13-11-8-5-1-3-7-4-2-6-9(10(7)8)12(14)15-11/h1-6H

Key Properties

Melting Point
270 °C CAS Common Chemistry

Spectral Data

NMR, IR, and Mass spectral data

1H NMR
13C NMR
Predicting NMR spectra...
10 ppm 9 8 7 6 5 4 3 2 1 0 ppm
Shift (ppm) Multiplicity Integration Assignment
200 ppm 180 160 140 120 100 80 60 40 20 0 ppm
Shift (ppm) DEPT Assignment

Note: These NMR spectra are predicted computationally and may differ from experimental data. Predictions are based on chemical environment analysis.

External Resources

All Properties

Comprehensive physical and chemical properties

Property Value Source
Molecular Mass 198.18 g/mol CAS Common Chemistry
198.17699999999996 g/mol RDKit
198.03169405199998 g/mol RDKit
Wikipedia Url https://en.wikipedia.org/wiki/1,8-Naphthalic_anhydride CAS Common Chemistry
Canonical SMILES O=C1OC(=O)C2=CC=CC3=CC=CC1=C32 CAS Common Chemistry
InChI InChI=1S/C12H6O3/c13-11-8-5-1-3-7-4-2-6-9(10(7)8)12(14)15-11/h1-6H CAS Common Chemistry
InChI Key InChIKey=GRSMWKLPSNHDHA-UHFFFAOYSA-N CAS Common Chemistry
Melting Point 270 °C CAS Common Chemistry
Name Naphthalic anhydride CAS Common Chemistry
1,8-Naphthalic anhydride CAS Common Chemistry
Heavy Atom Count 15 RDKit
Hydrogen Bond Acceptors 3 RDKit
Hydrogen Bond Donors 0 RDKit
Rotatable Bonds 0 RDKit
Aromatic Ring Count 2 RDKit
Topological Polar Surface Area 43.370000000000005 Ų RDKit
LogP 2.1504000000000003 RDKit
Molar Refractivity 53.69400000000002 RDKit

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