Description

3,4,5-Trichlorophthalic Acid is a halogenated aromatic dicarboxylic acid derivative that serves as a versatile and high-value synthetic intermediate. Its unique structure, featuring three chlorine atoms on the phthalic acid backbone, makes it a critical building block for the synthesis of advanced materials and specialty chemicals. This compound is essential for manufacturers and R&D laboratories in the agrochemical, pharmaceutical, and polymer industries seeking to develop novel compounds with specific properties.

Application

• Agrochemical Intermediate: A key precursor in the synthesis of advanced herbicides, fungicides, and plant growth regulators, where the trichloro-substitution pattern imparts specific biological activity.
• Pharmaceutical Synthesis: Used as a building block for creating complex drug molecules, particularly in developing active pharmaceutical ingredients (APIs) with halogenated aromatic motifs.
• Polymer & Material Science: Serves as a monomer or modifier in the production of high-performance polymers, such as polyimides and polyesters, enhancing thermal stability and flame retardancy.
• Dye & Pigment Manufacturing: Acts as an intermediate in the synthesis of specialized pigments and dyes, contributing to color fastness and unique chromatic properties.
• Liquid Crystal & Electronic Chemicals: Utilized in the production of organic compounds for liquid crystal displays (LCDs) and other electronic applications due to its rigid, planar structure.
• Research & Development: A valuable reagent in organic chemistry research for studying substitution reactions and synthesizing novel heterocyclic compounds.

Basic Information

Product Name	3,4,5-Trichlorophthalic Acid
CAS No.	62268-15-9
Molecular Formula	C8H3Cl3O4
Molecular Weight	269.46 g/mol
Synonyms	3,4,5-Trichlorobenzene-1,2-dicarboxylic Acid; 1,2-Benzenedicarboxylic acid, 3,4,5-trichloro-; NSC 163081; Phthalic acid, 3,4,5-trichloro-; Trichlorophthalic Acid (mixed isomer reference)
EINECS	Contact for details

Quality Control

Our 3,4,5-Trichlorophthalic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise customer specifications and industry standards. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee traceability and consistency for your critical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong bases and oxidizing agents. For long-term storage, consider conditions under an inert atmosphere to maintain optimal purity.

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 (as Pb)	≤ 10 ppm

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