3,5-DICHLOROBENZOYL CHLORIDE

Product Name	3,5-Dichlorobenzoyl Chloride (Abbr: 3,5-DCBC; 3,5-Dichlorobenzoic acid chloride)
CAS NO.	2905-62-6
Formula & Weight	C7H3Cl3O (MW: 209.46)
Chemical Structure
General Specs	Appearance: Colorless to yellow liquid/crystal (Melting point ~26°C) Assay (GC): ≥ 99.0% (Export Grade) / 95% Min (Tech Grade) Solubility: Soluble in ether, benzene; reacts with water.
Impurity Control (Strict Isomer Management)
Isomer / Impurity	Limit
2-Chlorobenzoyl Chloride (2-CBC)	≤ 0.10%
4-Chlorobenzoyl Chloride (4-CBC)	≤ 0.10%
2,4-Dichlorobenzoyl Chloride	≤ 0.10%
2,5-Dichlorobenzoyl Chloride	≤ 0.20%
3,4-Dichlorobenzoyl Chloride	≤ 0.20%
Trichlorobenzene	≤ 0.30%
3,5-Dichlorobenzoic Acid (Precursor)	≤ 1.00%

Key Applications	1. Agrochemical Synthesis (Primary Use) Herbicide Intermediate: Precursor for the synthesis of Propyzamide (Pronamide), widely used in winter oilseed rape and vegetables. Synthesis of Isoxadifen-ethyl (Herbicide Safener). 2. Pharma & Dye Industry Intermediate for pain management APIs and diuretics. Acylating agent for high-performance reactive dyes.
Packaging & Logistics	Packing: Plastic Drum / IBC Tank. Handling: Corrosive. UN 3265.

Royalchem offers 3,5-DCBC with industry-leading purity and low isomer content.
Stable Supply Capacity. ISO Certified Manufacturer.

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