Back to Search

Ethyl Oxalyl Chloride

CAS: 4755-77-5 | C4H5ClO3

2D Structure

3D Structure

Loading 3D structure...

Basic Information

CAS Registry Number: 4755-77-5
Molecular Formula: C4H5ClO3
Molecular Mass: 136.53 g/mol

Names and Synonyms:

Ethyl Oxalyl Chloride
Acetic acid, 2-chloro-2-oxo-, ethyl ester
Acetic acid, chlorooxo-, ethyl ester
Glyoxylic acid, chloro-, ethyl ester
Ethoxalyl chloride
Ethyl 2-chloro-2-oxoacetate
Oxalic acid monoethyl ester chloride
Ethyl chloroglyoxylate
Ethyl oxalyl chloride
Ethyl chlorooxoacetate
Monoethyl oxaloyl chloride
Ethyl (chloroformyl)formate
Monoethyl oxalate monochloride
Oxalic acid monoethyl ester monochloride
Monoethyl oxalate chloride
Ethyl oxaloyl chloride
Oxalic acid ethyl ester chloride
Ethyl (chlorocarbonyl)carboxylate
Ethyl 2-chloro-2-oxoethanoate
Oxalic acid chloride ethyl ester
Chloroglyoxylic acid ethyl ester
NSC 80644
Chlorooxoacetic acid ethyl ester
1-(Chlorocarbonyl)formic acid ethyl ester
Oxalyl chloride ethyl ester
Ethoxyoxalyl chloride
Ethyl chlorooxalate
Ethyl oxalyl monochloride
Ethyl clorooxoacetate
Ethyl oxalochloridate

Identifiers:

SMILES:
CCOC(=O)C(=O)Cl
InChI:
InChI=1S/C4H5ClO3/c1-2-8-4(7)3(5)6/h2H2,1H3

Key Properties

Boiling Point
137 °C CAS Common Chemistry
Melting Point
156-158 °C @ Solvent: Ethanol 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 136.53 g/mol CAS Common Chemistry
136.534 g/mol RDKit
135.9927217 g/mol RDKit
Boiling Point 137 °C CAS Common Chemistry
Canonical SMILES O=C(Cl)C(=O)OCC CAS Common Chemistry
InChI InChI=1S/C4H5ClO3/c1-2-8-4(7)3(5)6/h2H2,1H3 CAS Common Chemistry
InChI Key InChIKey=OWZFULPEVHKEKS-UHFFFAOYSA-N CAS Common Chemistry
Melting Point 156-158 °C @ Solvent: Ethanol CAS Common Chemistry
Name Ethyl oxalyl chloride CAS Common Chemistry
Heavy Atom Count 8 RDKit
Hydrogen Bond Acceptors 3 RDKit
Hydrogen Bond Donors 0 RDKit
Rotatable Bonds 2 RDKit
Aromatic Ring Count 0 RDKit
Topological Polar Surface Area 43.370000000000005 Ų RDKit
LogP 0.31489999999999996 RDKit
Molar Refractivity 27.49299999999999 RDKit

Recent Searches

Acetone
Ethanol
Navigate
esc Close