Acetyl chloride, also known as “oxalyl chloride”, is a diacyl chloride derived from oxalic acid, with the chemical formula (COCl) 2. Acetyl chloride is a colorless, smoky liquid with a pungent odor. It can be prepared by reacting oxalic acid with phosphorus pentachloride and is mainly used as a reagent for organic synthesis.
Molecular weight: 126.93
CAS No 79-37-8
EINECS: 201-200-2
Mix anhydrous oxalic acid with phosphorus pentachloride and slowly heat it at around 64 ℃ until the reaction stops without hydrogen chloride. Distill the crude product to obtain oxalyl chloride. Alternatively, it can be obtained by reacting oxalic acid with carbonyl chloride (phosgene).
purpose
- Oxacyl chloride is an acylation reagent used for the preparation of carbonyl chloride, phosphoryl dichloride, chlorinated alkanes, and acyl isocyanides.
Protection:
1: Respiratory protection: When exposed to vapor or smoke, it is necessary to wear a gas mask or an air supplied helmet. When rescuing or escaping in an emergency, it is recommended to wear a self-contained breathing apparatus.
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4: Hand protection: Wear rubber gloves.
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