Description

Benzene-1,3-Dicarboxylic Acid is a high-purity aromatic dicarboxylic acid, serving as a critical building block in advanced polymer synthesis and fine chemical manufacturing. Its isophthalic acid derivative structure offers unique reactivity and thermal stability, making it essential for creating high-performance materials. This compound is primarily sought by manufacturers in the polymer, pharmaceutical intermediate, and specialty chemical industries for applications requiring precise molecular architecture.

Application

• Polymer & Resin Production: A key monomer for synthesizing high-performance polyesters, polyamides, and alkyd resins, contributing to improved thermal and mechanical properties.
• Pharmaceutical Intermediates: Used in the synthesis of active pharmaceutical ingredients (APIs) and complex organic molecules due to its bifunctional carboxylic acid groups.
• Liquid Crystal Polymers (LCPs): Serves as a crucial component in the manufacture of LCPs for electronics, automotive, and aerospace applications.
• Specialty Plasticizers & Additives: Employed in the production of specialty plasticizers and stabilizers for PVC and other polymers.
• Coating & Adhesive Formulations: Enhances the durability, adhesion, and chemical resistance of industrial coatings, paints, and adhesives.
• Chemical Synthesis & Research: Acts as a versatile starting material or linker in organic synthesis and advanced material research laboratories.

Basic Information

Product Name	Benzene-1,3-Dicarboxylic Acid
CAS No.	60450-78-4
Molecular Formula	C8H6O4
Molecular Weight	166.13 g/mol
Synonyms	Isophthalic Acid; 1,3-Benzenedicarboxylic Acid; m-Phthalic Acid; m-Benzenedicarboxylic Acid; IPA; m-Dicarboxybenzene; Isophthalate
EINECS	Contact for details

Quality Control

Our Benzene-1,3-Dicarboxylic Acid is manufactured under a strict quality management system to ensure batch-to-batch consistency and high purity. Each lot is tested against rigorous in-house specifications, which typically include assay, identification, and impurity profile analysis. Certificates of Analysis (COA) documenting all critical quality attributes are available upon request to support your quality assurance and regulatory needs.

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 bases, and sources of heat.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 99.0%
Melting Point	345 - 348 °C
Loss on Drying	≤ 0.5%
Heavy Metals (as Pb)	≤ 10 ppm
Residue on Ignition	≤ 0.1%

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