Methyl oxalyl chloride, 97%

CAS Number 5781-53-3 Synonyms
  • Methyl chloroglyoxylate

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Methyl oxalyl chloride, 97%

MDL: MFCD00000705
EINECS: 227-307-4

Chemical Properties

Formula: C3H3ClO3  Density: 1.332
Formula weight: 122.51  Refractive Index: 1.4190
Boiling point: 115-118° Sensitivity: Moisture Sensitive
Flash point: 46°(114°F) 

Literature References

A useful synthesis of isocyanates has been described involving oxidation of monoamides of oxalic acid (prepared from methyl oxalyl chloride and a primary amine) with peroxydisulfate catalyzed by Ag and Cu salts: J. Org. Chem., 60, 5430 (1995):

For other examples of reactions of monoesters of oxalyl chloride, see Ethyl­ oxalyl­ chloride, A14653.

GHS Hazard and Precautionary Statements

Hazard Statements : H301-H314-H318-H226

Toxic if swallowed. Causes severe skin burns and eye damage. Causes serious eye damage. Flammable liquid and vapour.

Precautionary Statements : P210-P301+P310-P303+P361+P353-P305+P351+P338-P405-P501A

Keep away from heat/sparks/open flames/hot surfaces. - No smoking. IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.


Other References

Beilstein: 1071541
UN#: UN2920
Hazard Class: 8
Packing Group: II
Harmonized Tariff Code: 2917.19
Methyl oxalyl chloride, 97% - CAS 5781-53-3 - Formula C3H3ClO3


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