Description

5-Chloro-Homophthalic Acid is a versatile and high-purity organic intermediate of significant importance in advanced chemical synthesis. Its unique chlorinated homophthalic acid structure makes it a valuable building block for creating complex molecules with tailored properties. This compound is primarily sought after by research institutions and manufacturers in the pharmaceutical and agrochemical sectors for the development of active ingredients and novel compounds.

Application

• Pharmaceutical Intermediate: A key synthon in the research and production of active pharmaceutical ingredients (APIs), particularly for compounds requiring a functionalized homophthalic acid core.
• Agrochemical Synthesis: Used in the development of advanced herbicides, fungicides, and plant growth regulators where the chloro-substituted aromatic system is beneficial.
• Organic Ligand Precursor: Serves as a starting material for the synthesis of specialized ligands used in catalysis and metal-organic frameworks (MOFs).
• Dye and Pigment Intermediate: Employed in the synthesis of complex organic dyes and high-performance pigments.
• Polymer Modification: Acts as a monomer or cross-linking agent for producing specialty polymers with enhanced thermal or chemical resistance.
• Chemical Research & Development: A valuable reagent in academic and industrial R&D for exploring new synthetic pathways and novel chemical entities.

Basic Information

Product Name	5-Chloro-Homophthalic Acid
CAS No.	19725-81-6
Molecular Formula	C9H7ClO4
Molecular Weight	214.60 g/mol
Synonyms	5-Chloro-1,3-dihydro-1,3-dioxoisobenzofuran-5-carboxylic Acid; 5-Chloro-1,3-isobenzofurandione, 5-carboxylic acid; 5-Chlorohomophthalic Acid; 2-(Carboxymethyl)-4-chlorobenzoic Acid; 4-Chloro-2-(carboxymethyl)benzoic Acid; 5-Chloro-2-carboxyphenylacetic Acid
EINECS	Contact for details

Quality Control

Our 5-Chloro-Homophthalic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure high purity and consistent performance. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance protocols.

Storage

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

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%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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