Description

Isophthalic Acid, 4,6-Bis(3,5-Dichloroanilino)- (8Ci) is a specialized aromatic diamine derivative of isophthalic acid, characterized by its unique halogenated aniline substituents. This compound serves as a critical high-performance intermediate, valued for its ability to impart thermal stability, chemical resistance, and specific functional properties to advanced materials. It is primarily sought by R&D chemists and process engineers in the polymer and specialty chemical industries for synthesizing novel polyamides, polyimides, and other high-value functional polymers. The product, identified by CAS No. 15926-91-7, is supplied to meet the stringent requirements of advanced material development.

Application

• High-Temperature Polymer Synthesis: A key monomer for the production of heat-resistant polyamides and polyimides used in aerospace and electronics.
• Specialty Epoxy Curing Agents & Hardeners: Imparts enhanced chemical and thermal properties to epoxy resin systems for advanced composites.
• Pharmaceutical Intermediate: Serves as a building block in the research and development of active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the creation of novel herbicides and pesticides with specific activity profiles.
• Dye and Pigment Manufacturing: Acts as an intermediate for synthesizing complex, color-fast organic pigments and dyes.
• Liquid Crystal Polymers (LCPs): A potential monomer for engineering plastics with exceptional strength and dimensional stability.
• Corrosion-Resistant Coatings: Incorporated into coating formulations to improve durability against harsh chemicals.
• Research & Development: Utilized in academic and industrial labs for exploring new materials with tailored properties.

Basic Information

Product Name	Isophthalic Acid, 4,6-Bis(3,5-Dichloroanilino)- (8Ci)
CAS No.	15926-91-7
Molecular Formula	C20H14Cl4N2O4
Molecular Weight	488.15 g/mol
Synonyms	4,6-Bis(3,5-dichloroanilino)isophthalic acid; 1,3-Benzenedicarboxylic acid, 4,6-bis(3,5-dichloroanilino)-; 4,6-Bis[(3,5-dichlorophenyl)amino]isophthalic acid; NSC 339063; 4,6-Bis(3,5-dichloroanilino)benzene-1,3-dicarboxylic acid; 4,6-Di(3,5-dichloroanilino)isophthalic acid
EINECS	Contact for details

Quality Control

Our Isophthalic Acid, 4,6-Bis(3,5-Dichloroanilino)- (8Ci) is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided, documenting key parameters such as assay, impurity profile, and physical characteristics. We support custom synthesis and can tailor specifications to meet specific research or production grade requirements.

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 acids, and strong bases. The compound may be moisture-sensitive; ensure containers are sealed tightly after use to minimize exposure to atmospheric humidity.

Specification

Item	Specification
Appearance	Off-white to light yellow powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Single Impurity (HPLC)	≤ 1.0%
Total Impurities (HPLC)	≤ 3.0%

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