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310670

Sigma-Aldrich

Oxalyl chloride solution

2.0 M in methylene chloride

Synonym(s):

Dichlorooxalic acid, Ethanedioyl chloride, Oxalic acid chloride, Oxalic acid dichloride, Oxalic dichloride, Oxaloyl chloride, Oxaloyl dichloride, Oxalyl dichloride

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About This Item

Linear Formula:
ClCOCOCl
CAS Number:
79-37-8
Molecular Weight:
126.93
Beilstein:
1361988
MDL number:
MFCD00000704
UNSPSC Code:
12352106
PubChem Substance ID:
24858810
NACRES:
NA.22

form

liquid

Quality Level

200

reaction suitability

reagent type: oxidant

concentration

2.0 M in methylene chloride

density

1.335 g/mL at 25 °C

SMILES string

ClC(=O)C(Cl)=O

InChI

1S/C2Cl2O2/c3-1(5)2(4)6

InChI key

CTSLXHKWHWQRSH-UHFFFAOYSA-N

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Application

Oxalyl chloride is generally used as a dimethyl sulfoxide activator and a chlorinating agent to convert carboxylic acid to acid chlorides.

Signal Word

Danger

Hazard Classifications

Acute Tox. 3 Inhalation - Acute Tox. 4 Oral - Carc. 2 - Eye Dam. 1 - Skin Corr. 1B - STOT SE 3 - Water-react 1

Target Organs

Central nervous system

Supplementary Hazards

EUH014,EUH029,EUH071

Storage Class Code

4.3 - Hazardous materials which set free flammable gases upon contact with water

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
MKCP6787
SHBK6285
BCBJ7788V
SHBJ4925
SHBF0926V

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Synthesis and characterization of highly soluble and heat stable new poly (amide-ether) s containing pyridine rings in the main chain.
Banihashemi A and Vakili MR
e-Polymers, 8(1) (2008)
Catalytic syntheses of N-heterocyclic ynones and ynediones by in situ activation of carboxylic acids with oxalyl chloride.
Christina Boersch et al.
Angewandte Chemie (International ed. in English), 50(44), 10448-10452 (2011-09-13)
Oxidation of long-chain and related alcohols to carbonyls by dimethyl sulfoxide" activated" by oxalyl chloride.
Mancuso AJ, et al.
The Journal of Organic Chemistry, 43(12), 2480-2482 (1978)
Benoît Heurtaux et al.
The Journal of organic chemistry, 70(4), 1474-1477 (2005-02-12)
[reaction: see text] Several natural pulvinic acids were synthesized. Silyl ketene acetals derived from methyl arylacetates (4 equiv) reacted with oxalyl chloride at -78 degrees C, without the need of adding a catalyst. After treatment of the crude diketones with
Peter J Manley et al.
Organic letters, 4(18), 3127-3129 (2002-08-31)
[reaction: see text] A mild, practical, one-pot method for the generation of imidoyl chlorides and their subsequent in situ reaction with pyridine-1-oxides is described. The imidoyl chlorides were formed from the reaction of secondary amides with a stoichiometric amount of
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