INTRODUCTION
Oxalyl chloride is a colorless liquid with pungent odor. The chloride is volatile and moisture sensitive. As a useful reagent employed in a variety of chemical syntheses, it finds applications in APIs, intermediates, and agrochemicals.
Manufacture
The acid chloride is produced by chlorination of oxalic acid by using phosphorous pentachloride.
| Synonyms | Ethanedioyl dichloride Oxalic acid dichloride |
| CAS no. | 79-37-8 |
| EINECS no. | 201-200-2 |
| Molecular formula | C2Cl2O2 |
| Molecular weight | 126.93 |
| Structure |  |
Pharmaceutical Applications
Oxalyl chloride is a KRM to produce the following APIs:
| Tivantinib | anti-cancer drug |
| Diclofenac | anti-inflammatory drug |
Agrochemicals Applications
The acid chloride is also a raw material in manufacture of many plant protection products such as:
| Chinomethionat |
| Triflumuron |
| Metsulfuron |
| Bensulfuron-Methyl |
| Pyrimidine-sulfuron |
Other Vital Applications
| as catalyst in production of ketones and aldehydes from alcohols |
| as chlorinating agent to make acid chlorides from acids |
| as a reagent to convert aromatic products into corresponding acids |
| in manufacture of dioxane tetra-ketone and 2,3-dichloroquinoxaline-6-carbonyl chloride |
SPECIFICATIONS
| Test | Unit | Specification |
|---|---|---|
| Appearance | – | Clear colorless to pale yellow liquid |
| Purity by GC | % | Min 99.0 |
STORAGE
The product is stored at ambient temperature.
PACKING
250 kg UN approved steel drum
ExSyn offers oxalyl chloride on commercial scales and welcomes enquiries. No matter the quantity you need, our exceptional quality and service will make ExSyn your supplier of choice! If you need any additional information or SDS, please get in touch with us.
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