Description

4-Methoxyisophthaloyl Dichloride is a high-purity, reactive aromatic diacid chloride derivative. This compound serves as a critical building block in advanced organic synthesis, enabling the formation of polymers, dyes, and pharmaceutical intermediates. It is essential for R&D and production chemists in the pharmaceutical, agrochemical, and specialty polymer industries seeking to introduce specific methoxy-substituted aromatic structures.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs) and complex organic molecules.
• Polymer Chemistry: Monomer for the production of high-performance polyamides, polyesters, and polyimides with tailored thermal and mechanical properties.
• Agrochemical Synthesis: Building block for creating advanced herbicides, fungicides, and plant growth regulators.
• Liquid Crystal & OLED Materials: Used in the synthesis of aromatic cores for electronic and optoelectronic applications.
• Dye & Pigment Manufacturing: Intermediate for producing methoxy-substituted azo dyes and complex colorants.
• Cross-linking Agent: Functions as a reactive cross-linker in resin and coating formulations to enhance durability.
• Laboratory Reagent: High-purity standard and reagent for method development and analytical research.
• Specialty Chemical Synthesis: Versatile intermediate for custom synthesis and fine chemical production.

Basic Information

Product Name	4-Methoxyisophthaloyl Dichloride
CAS No.	13235-60-4
Molecular Formula	C9H6Cl2O3
Molecular Weight	233.05 g/mol
Synonyms	4-Methoxyisophthalic Acid Dichloride; 4-Methoxybenzene-1,3-dicarbonyl Dichloride; Isophthaloyl Chloride, 4-Methoxy-; 1,3-Benzenedicarbonyl Dichloride, 4-Methoxy-; 4-Methoxy-1,3-benzenedicarbonyl Chloride; 4-Methoxyisophthalic Dichloride; 4-Methoxyisophthaloyl Chloride
EINECS	Contact for details

Quality Control

Our 4-Methoxyisophthaloyl Dichloride is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming compliance with agreed specifications. We support cGMP and ISO standards for industrial and research applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at 15-25°C. This material is hygroscopic (moisture-sensitive) and reacts with water and alcohols; ensure containers are sealed under an inert atmosphere (e.g., nitrogen or argon) after opening. Keep away from strong bases, oxidizing agents, and sources of ignition.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Purity (GC)	≥ 97.0%
Melting Point	Contact for details
Water Content (KF)	≤ 0.5%
Heavy Metals	≤ 20 ppm

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