What is a Oxalyl chloride (C₂H₂Cl₂O₂) ?

Oxalyl chloride (C₂H₂Cl₂O₂) is an important organic compound in chemistry, formed by the combination of oxalic acid (C₂H₂O₂) with chloride ions (Cl⁻). This compound appears as a colorless crystalline solid, highly soluble in water, and exhibits strong acidity. Oxalyl chloride is primarily used as an intermediate in chemical synthesis. It plays a key role in the production of oxalyl acid derivatives, as well as in the manufacture of pharmaceuticals and pesticides. Additionally, it is used in the production of dyes and pigments.

Care must be taken when handling oxalyl chloride, as it is highly corrosive and can cause irritation to the skin and eyes. It may also release toxic gases, so it is recommended to use it in well-ventilated areas.

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