Description

Dimethyl 2-Methylisophthalate is a high-purity diester derivative of isophthalic acid, serving as a critical intermediate in advanced organic synthesis. Its value lies in providing a versatile and reactive aromatic building block for constructing complex molecular architectures. This compound is essential for manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries who require reliable, high-quality intermediates for research, development, and production.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs) and complex drug molecules.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators.
• Polymer & Resin Modifier: Acts as a monomer or co-monomer for enhancing the properties of specialty polyesters and engineering plastics.
• Organic Synthesis Building Block: Employed in research and production of dyes, pigments, and liquid crystal materials.
• Flavor & Fragrance Industry: Serves as an intermediate for synthesizing specific aromatic compounds.
• Crosslinking Agent: Utilized in formulations for coatings, adhesives, and composite materials.

Basic Information

Product Name	Dimethyl 2-Methylisophthalate
CAS No.	28269-31-0
Molecular Formula	C11H12O4
Molecular Weight	208.21 g/mol
Synonyms	2-Methylisophthalic Acid Dimethyl Ester; Dimethyl 2-Methylbenzene-1,3-dicarboxylate; 1,3-Benzenedicarboxylic acid, 2-methyl-, dimethyl ester; Methyl 2-methylisophthalate; Isophthalic acid, 2-methyl-, dimethyl ester
EINECS	Contact for details

Quality Control

Our Dimethyl 2-Methylisophthalate is produced under a strict quality management system to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, identity, and impurity profiles. Our quality commitment aligns with cGMP principles where applicable, ensuring the material meets the rigorous standards required for fine chemical and pharmaceutical synthesis.

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 oxidizing agents, strong acids, and strong bases.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.5%

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