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Terephthaloyl Chloride

CAS: 100-20-9 | C8H4Cl2O2

2D Structure

3D Structure

Loading 3D structure...

Basic Information

CAS Registry Number: 100-20-9
Molecular Formula: C8H4Cl2O2
Molecular Mass: 203.02 g/mol

Names and Synonyms:

Terephthaloyl Chloride
1,4-Benzenedicarbonyl dichloride
Terephthaloyl chloride
Terephthaloyl dichloride
p-Phthaloyl chloride
Terephthalic acid dichloride
p-Phthaloyl dichloride
Terephthalic acid chloride
Terephthalic dichloride
p-Phenylenedicarbonyl dichloride
1,4-Benzenedicarbonyl chloride
Benzene 1,4-dicarboxylic acid dichloride
1,4-Bis(chlorocarbonyl)benzene
1,4-Di(chlorocarbonyl)benzene
NSC 41885

Identifiers:

SMILES:
O=C(Cl)c1ccc(C(=O)Cl)cc1
InChI:
InChI=1S/C8H4Cl2O2/c9-7(11)5-1-2-6(4-3-5)8(10)12/h1-4H

Key Properties

Boiling Point
259 °C CAS Common Chemistry
Melting Point
82-84 °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 203.02 g/mol CAS Common Chemistry
203.024 g/mol RDKit
201.958834728 g/mol RDKit
Wikipedia Url https://en.wikipedia.org/wiki/Terephthaloyl_chloride CAS Common Chemistry
Boiling Point 259 °C CAS Common Chemistry
Canonical SMILES O=C(Cl)C1=CC=C(C=C1)C(=O)Cl CAS Common Chemistry
InChI InChI=1S/C8H4Cl2O2/c9-7(11)5-1-2-6(4-3-5)8(10)12/h1-4H CAS Common Chemistry
InChI Key InChIKey=LXEJRKJRKIFVNY-UHFFFAOYSA-N CAS Common Chemistry
Melting Point 82-84 °C CAS Common Chemistry
Name Terephthaloyl chloride CAS Common Chemistry
Heavy Atom Count 12 RDKit
Hydrogen Bond Acceptors 2 RDKit
Hydrogen Bond Donors 0 RDKit
Rotatable Bonds 2 RDKit
Aromatic Ring Count 1 RDKit
Topological Polar Surface Area 34.14 Ų RDKit
LogP 2.4446000000000003 RDKit
Molar Refractivity 46.80900000000001 RDKit

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