Description

2,3-Dichlorobenzoic Acid Anhydride is a high-purity, reactive chemical intermediate essential for advanced organic synthesis. Its value lies in its role as a versatile building block for introducing the 2,3-dichlorobenzoyl moiety into target molecules, enabling the development of specialized compounds. This product is primarily needed by research and development laboratories, agrochemical manufacturers, and pharmaceutical companies engaged in creating novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel active pharmaceutical ingredients (APIs) and drug candidates.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and pesticides requiring specific chlorinated aromatic structures.
• Material Science: Serves as a monomer or cross-linking agent in the development of specialty polymers and high-performance resins.
• Organic Synthesis Research: A crucial reagent for academic and industrial R&D in constructing complex heterocyclic and aromatic compounds.
• Dyestuff and Pigment Manufacturing: Intermediate for producing specialized colorants and pigments with enhanced properties.

Basic Information

Item	Details
Product Name	2,3-Dichlorobenzoic Acid Anhydride
CAS No.	252186-80-4
Molecular Formula	C14H6Cl4O3
Molecular Weight	356.01 g/mol
Synonyms	2,3-Dichlorobenzoic Anhydride; Bis(2,3-dichlorobenzoyl) Ether; 2,3-Dichlorobenzoic Acid Cyclic Anhydride; 2,3-Dichlorobenzoyl Anhydride; 2,3-DCBA Anhydride; 2,3-Dichlorobenzoyl 2,3-Dichlorobenzoate; 2,3-Dichlorobenzoic Acid, Anhydride; 2,3-Dichloroperbenzoic Acid Anhydride (common misnomer)
EINECS	Contact for details

Quality Control

Our 2,3-Dichlorobenzoic Acid Anhydride is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting standards for research and industrial use. Certificates of Analysis (COA) documenting all critical parameters are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and must be kept under anhydrous conditions to prevent decomposition.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.