Compound Q&A

How is Terephthaloyl dichloride (CAS: 100-20-9) typically synthesized?

Answer

Terephthaloyl dichloride
Terephthaloyl dichloride is typically synthesized from terephthalic acid by chlorination under acidic conditions. The reaction involves the chlorination of terephthalic acid, followed by distillation to purify the product. Common catalysts include thionyl chloride, which provides high selectivity and yield.

About

CAS No 100-20-9
English Name Terephthaloyl dichloride
Molecular Formula C8H4Cl2O2
Molecular Weight 203.02 g/mol
SMILES ClC(=O)c1ccc(cc1)C(=O)Cl
InChIKey LXEJRKJRKIFVNY-UHFFFAOYSA-N
Last Updated: 2025-10-10 12:21

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