Description

3-Chlorophthalic Acid is a versatile chlorinated aromatic dicarboxylic acid derivative, serving as a critical synthetic intermediate in advanced organic chemistry. Its value lies in the reactive carboxylic acid groups and the strategically placed chlorine atom, enabling precise molecular modifications for creating high-value compounds. This product is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries seeking to develop new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key building block for the synthesis of active pharmaceutical ingredients (APIs), particularly in the development of novel drug candidates.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators, leveraging its halogenated aromatic structure.
• Polymer & Dye Manufacturing: Serves as a monomer or modifier in the synthesis of high-performance polymers, resins, and complex organic dyes and pigments.
• Ligand & Chelating Agent Precursor: The functional groups make it a valuable starting material for synthesizing specialized ligands used in catalysis and metal complexation.
• Organic Synthesis & Research: Employed in academic and industrial R&D for constructing complex molecular architectures and exploring new chemical reactions.

Basic Information

Product Name	3-Chlorophthalic Acid
CAS No.	27563-65-1
Molecular Formula	C8H5ClO4
Molecular Weight	200.57 g/mol
Synonyms	3-Chlorophthalic Acid; 3-Chloro-1,2-benzenedicarboxylic Acid; 3-Chlorobenzene-1,2-dicarboxylic Acid; 3-Chlorophthalic Acid (predominant isomer); 1,2-Benzenedicarboxylic Acid, 3-chloro-; NSC 403108; 3-CPA
EINECS	Contact for details

Quality Control

Our 3-Chlorophthalic Acid is produced under a strict quality management system to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC for assay and impurity profiling, IR for identification, and loss on drying. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong bases, strong oxidizing agents, and sources of ignition.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals	< 20 ppm
Residue on Ignition	≤ 0.1%

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