Description

Benzene-1,2,3,4-Tetracarboxylic Acid is a high-purity aromatic polycarboxylic acid derivative, serving as a critical multifunctional building block in advanced chemical synthesis. Its value lies in its ability to introduce four reactive carboxyl groups into a single aromatic core, enabling the creation of complex polymers and coordination compounds. This compound is essential for researchers and manufacturers in the polymer, pharmaceutical, and specialty chemical industries seeking to develop novel materials with specific thermal or structural properties.

Application

• Polymer Synthesis: A key monomer for producing high-performance polyimides, polyamides, and polyester resins with enhanced thermal stability and mechanical strength.
• Pharmaceutical Intermediates: Used in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs) requiring a rigid, multi-functional aromatic scaffold.
• Coordination Chemistry & Metal-Organic Frameworks (MOFs): Acts as a versatile polydentate ligand for constructing MOFs and other coordination polymers with potential applications in gas storage, separation, and catalysis.
• Crosslinking Agent: Employed in coatings, adhesives, and composite materials to increase crosslink density, improving chemical resistance and durability.
• Analytical Reagent: Serves as a standard or reagent in analytical chemistry for method development and calibration.
• Specialty Dyes and Pigments: Used as a precursor in the synthesis of complex organic colorants and functional dyes.

Basic Information

Product Name	Benzene-1,2,3,4-Tetracarboxylic Acid
CAS No.	476-73-3
Molecular Formula	C10H6O8
Molecular Weight	254.15 g/mol
Synonyms	1,2,3,4-Benzenetetracarboxylic Acid; Pyromellitic Acid; Benzene-1,2,3,4-Tetracarboxylic Acid; PMA; 1,2,4,5-Benzenetetracarboxylic Acid (common misnomer); Tetrahydrophthalic Acid (obsolete); Prehnitic Acid (historical)
EINECS	207-506-4

Quality Control

Our Benzene-1,2,3,4-Tetracarboxylic Acid is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets high-purity standards suitable for research and industrial applications. Certificates of Analysis (COA) documenting purity, identity, and impurity profiles 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, well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); ensure the container is kept tightly sealed to prevent absorption of atmospheric moisture, which may affect product quality and handling.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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