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Tetrahydrophthalic Anhydride

CAS: 935-79-5 | C8H8O3

2D Structure

3D Structure

Loading 3D structure...

Basic Information

CAS Registry Number: 935-79-5
Molecular Formula: C8H8O3
Molecular Mass: 152.15 g/mol

Names and Synonyms:

Tetrahydrophthalic Anhydride
1,3-Isobenzofurandione, 3a,4,7,7a-tetrahydro-, (3aR,7aS)-rel-
4-Cyclohexene-1,2-dicarboxylic anhydride, cis-
1,3-Isobenzofurandione, 3a,4,7,7a-tetrahydro-, cis-
rel-(3aR,7aS)-3a,4,7,7a-Tetrahydro-1,3-isobenzofurandione
cis-1,2,3,6-Tetrahydrophthalic anhydride
cis-4-Cyclohexene-1,2-dicarboxylic anhydride
cis-Δ4-Tetrahydrophthalic anhydride
cis-1,2,3,6-Tetrahydrophthalic acid anhydride
cis-4-Cyclohexene-1,2-dicarboxylic acid anhydride
NSC 49672
meso-1,2,3,6-Tetrahydrophthalic anhydride

Identifiers:

SMILES:
O=C1OC(=O)[C@@H]2CC=CC[C@H]12
InChI:
InChI=1/C8H8O3/c9-7-5-3-1-2-4-6(5)8(10)11-7/h1-2,5-6H,3-4H2/t5-,6+

Key Properties

Melting Point
103-104 °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 152.15 g/mol CAS Common Chemistry
152.14899999999997 g/mol RDKit
152.04734411599998 g/mol RDKit
Wikipedia Url https://en.wikipedia.org/wiki/Tetrahydrophthalic_anhydride CAS Common Chemistry
Canonical SMILES O=C1OC(=O)C2CC=CCC12 CAS Common Chemistry
InChI InChI=1/C8H8O3/c9-7-5-3-1-2-4-6(5)8(10)11-7/h1-2,5-6H,3-4H2/t5-,6+ CAS Common Chemistry
InChI Key InChIKey=KMOUUZVZFBCRAM-OLQVQODUNA-N CAS Common Chemistry
Melting Point 103-104 °C CAS Common Chemistry
Name cis-1,2,3,6-Tetrahydrophthalic anhydride CAS Common Chemistry
Tetrahydrophthalic anhydride CAS Common Chemistry
Heavy Atom Count 11 RDKit
Hydrogen Bond Acceptors 3 RDKit
Hydrogen Bond Donors 0 RDKit
Rotatable Bonds 0 RDKit
Aromatic Ring Count 0 RDKit
Topological Polar Surface Area 43.370000000000005 Ų RDKit
LogP 0.6521999999999999 RDKit
Molar Refractivity 36.453 RDKit

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