Description

1,2-Benzenedicarboxylic Acid,4-Chloro-,1,2-Dimethyl Ester is a specialized chlorinated phthalate derivative, serving as a critical intermediate in advanced chemical synthesis. This compound is valued for its role in introducing both phthalate and chloro-substituent functionalities into target molecules, enabling the development of materials with tailored properties. It is primarily sought by R&D and production teams in the agrochemical, polymer, and pharmaceutical industries for creating novel active ingredients, plasticizers, and functional monomers.

Application

• Agrochemical Intermediate: A key building block in the synthesis of modern herbicides, fungicides, and insecticides, where the chlorinated phthalate structure contributes to biological activity.
• Polymer & Plasticizer Precursor: Used in the production of specialized plasticizers and polymer modifiers to enhance flexibility, durability, and other material characteristics.
• Pharmaceutical Synthesis: Serves as an intermediate in the development of active pharmaceutical ingredients (APIs) and other fine chemicals.
• Dye & Pigment Manufacturing: Employed in the synthesis of complex organic dyes and pigments, contributing to color fastness and stability.
• Research & Development: Utilized in academic and industrial R&D labs for exploring new chemical entities and reaction pathways in organic chemistry.
• Liquid Crystal & Electronic Materials: Acts as a precursor in the synthesis of components for advanced materials used in electronics and display technologies.

Basic Information

Product Name	1,2-Benzenedicarboxylic Acid,4-Chloro-,1,2-Dimethyl Ester
CAS No.	58138-38-8
Molecular Formula	C10H9ClO4
Molecular Weight	228.63 g/mol
Synonyms	4-Chlorophthalic Acid Dimethyl Ester; Dimethyl 4-Chlorophthalate; 4-Chloro-1,2-benzenedicarboxylic Acid Dimethyl Ester; 4-Chlorobenzene-1,2-dicarboxylic Acid Dimethyl Ester; 4-Chlorophthalic Acid, Dimethyl Ester; 1,2-Dimethyl 4-Chlorophthalate; 4-Chloro-o-phthalic Acid Dimethyl Ester; Methyl 4-chlorophthalate
EINECS	Contact for details

Quality Control

Our 1,2-Benzenedicarboxylic Acid,4-Chloro-,1,2-Dimethyl Ester is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including chromatography and spectroscopy, to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical parameters are provided and 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 area at room temperature (15-25°C). Keep away from strong oxidizing agents, strong bases, and heat sources.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
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.