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Overview
3,4-Dichlorobenzoyl chloride (CAS 2091-86-7) is a key acylating agent with molecular formula C7H3Cl3O. Produced via chlorination of 3,4-dichlorobenzoic acid using thionyl chloride or phosphorus pentachloride, it serves as a vital intermediate in organic synthesis.
Application
- Synthesis of pharmaceutical intermediates for antihistamines and anti-inflammatories.
- Manufacturing of agrochemicals including herbicides and fungicides.
- Polymer production for high-performance engineering plastics.
Precautions
Strictly store in cool, dry, ventilated areas away from moisture to prevent hydrolysis. Use full PPE including acid-resistant gloves and face shields due to severe corrosivity and respiratory irritation risks.