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Tetrachlorophthalic Anhydride

CAS: 117-08-8 | C8Cl4O3

2D Structure

3D Structure

Loading 3D structure...

Basic Information

CAS Registry Number: 117-08-8
Molecular Formula: C8Cl4O3
Molecular Mass: 285.90 g/mol

Names and Synonyms:

Tetrachlorophthalic Anhydride
1,3-Isobenzofurandione, 4,5,6,7-tetrachloro-
Phthalic anhydride, tetrachloro-
4,5,6,7-Tetrachloro-1,3-isobenzofurandione
Niagathal
Tetrachlorophthalic anhydride
1,3-Dioxy-4,5,6,7-tetrachloroisobenzofuran
3,4,5,6-Tetrachlorophthalic anhydride
Tetrachlorophthalic acid anhydride
NSC 1484
4,5,6,7-Tetrachloroisobenzofuran-1,3-dione

Identifiers:

SMILES:
O=C1OC(=O)c2c(Cl)c(Cl)c(Cl)c(Cl)c21
InChI:
InChI=1S/C8Cl4O3/c9-3-1-2(8(14)15-7(1)13)4(10)6(12)5(3)11

Key Properties

Boiling Point
371 °C CAS Common Chemistry
Melting Point
255-256.5 °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 285.90 g/mol CAS Common Chemistry
285.897 g/mol RDKit
283.86015457999997 g/mol RDKit
Boiling Point 371 °C CAS Common Chemistry
Canonical SMILES O=C1OC(=O)C=2C(Cl)=C(Cl)C(Cl)=C(Cl)C12 CAS Common Chemistry
InChI InChI=1S/C8Cl4O3/c9-3-1-2(8(14)15-7(1)13)4(10)6(12)5(3)11 CAS Common Chemistry
InChI Key InChIKey=AUHHYELHRWCWEZ-UHFFFAOYSA-N CAS Common Chemistry
Melting Point 255-256.5 °C CAS Common Chemistry
Name Tetrachlorophthalic 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 1 RDKit
Topological Polar Surface Area 43.370000000000005 Ų RDKit
LogP 3.6108000000000002 RDKit
Molar Refractivity 56.22800000000001 RDKit

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