Description

1,2-Benzenedicarboxylic Acid, 3-Chloro-, 1,2-Dimethyl Ester is a specialized chlorinated phthalate derivative with unique chemical reactivity. This compound serves as a valuable chemical intermediate and functional additive in advanced material synthesis. It is primarily needed by manufacturers in the polymer, agrochemical, and specialty chemical industries seeking to introduce specific chlorinated aromatic functionality into their products.

Application

• Polymer Modification: Acts as a reactive plasticizer or comonomer in the synthesis of specialty polyesters and polyurethanes to modify flexibility and thermal properties.
• Agrochemical Synthesis: Serves as a key intermediate in the production of advanced herbicides, fungicides, and plant growth regulators.
• Pharmaceutical Intermediates: Used in the synthesis of complex organic molecules for active pharmaceutical ingredients (APIs) requiring chlorinated aromatic structures.
• Dye and Pigment Manufacturing: Functions as a precursor in the synthesis of high-performance, light-fast organic pigments and dyes.
• Lubricant and Grease Additive: Employed as a performance additive to enhance the extreme pressure (EP) and anti-wear properties of industrial lubricants.
• Flame Retardant Synergist: Used in combination with primary flame retardants in plastics and textiles to improve fire resistance.
• Research & Development: A valuable building block in organic chemistry R&D for creating novel compounds with specific functional groups.

Basic Information

Item	Detail
Product Name	1,2-Benzenedicarboxylic Acid, 3-Chloro-, 1,2-Dimethyl Ester
CAS No.	61539-35-3
Molecular Formula	C10H9ClO4
Molecular Weight	228.63 g/mol
Synonyms	3-Chlorophthalic Acid Dimethyl Ester; Dimethyl 3-Chlorophthalate; 3-Chloro-1,2-benzenedicarboxylic Acid Dimethyl Ester; 3-Chlorobenzene-1,2-dicarboxylic Acid Dimethyl Ester; Methyl 3-Chlorophthalate; 3-Chlorophthalic Acid, Dimethyl Ester; 3-Chloro-o-phthalic Acid Dimethyl Ester
EINECS	Contact for details

Quality Control

Our production of 1,2-Benzenedicarboxylic Acid, 3-Chloro-, 1,2-Dimethyl Ester adheres to a stringent quality management system. Every batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. Certificates of Analysis (COA) documenting identity, assay, and impurity profiles are available upon request, supporting compliance with REACH and other global regulatory frameworks.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong bases and incompatible materials such as strong oxidizing agents. The container should be kept tightly sealed to prevent moisture absorption.

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%
Heavy Metals (as Pb)	≤ 10 ppm
Residual Solvents (GC)	Meets ICH guidelines

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