Description

Tetraammonium Benzene-1,2,4,5-Tetracarboxylate is a high-purity, water-soluble organic salt derived from pyromellitic acid. This compound serves as a critical intermediate and functional additive, valued for its chelating properties and ability to modify surface characteristics. It is essential for manufacturers in sectors requiring precise metal ion control or specific anionic functionality, including advanced materials synthesis, specialty detergents, and water treatment formulations. CAS No. 85650-68-6.

Application

• Metal Chelation & Sequestration: Acts as an effective chelating agent in industrial cleaning formulations and water treatment processes to control scale and inhibit metal-ion catalyzed degradation.
• Polymer & Resin Synthesis: Serves as a monomer or cross-linking agent in the production of specialty polyimides, polyesters, and other high-performance polymers.
• Electroplating & Surface Treatment: Used in electroplating baths and conversion coatings to improve deposit quality, brightness, and adhesion on metal substrates.
• Catalyst & Ligand Preparation: Functions as a precursor for synthesizing complexing ligands used in homogeneous catalysis and metal-organic frameworks (MOFs).
• Analytical Reagent: Employed as a standard or reagent in analytical chemistry for complexometric titrations and calibration.
• Construction Chemicals: Incorporated as a set retarder or water-reducing agent in high-performance cement and concrete formulations.

Basic Information

Product Name	Tetraammonium Benzene-1,2,4,5-Tetracarboxylate
CAS No.	85650-68-6
Molecular Formula	C10H16N4O8
Molecular Weight	320.26 g/mol
Synonyms	Ammonium Pyromellitate; Tetrammonium Pyromellitate; Benzene-1,2,4,5-tetracarboxylic Acid Tetraammonium Salt; Pyromellitic Acid Tetraammonium Salt; 1,2,4,5-Benzenetetracarboxylic Acid Tetraammonium Salt; TABC; Tetraammonium 1,2,4,5-Benzenetetracarboxylate
EINECS	Contact for details

Quality Control

Our Tetraammonium Benzene-1,2,4,5-Tetracarboxylate is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure consistency and meets high-purity standards suitable for industrial and research applications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee traceability and compliance with your specifications.

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). This product is hygroscopic (moisture-sensitive) and must be kept in a dry environment to prevent caking and decomposition. Keep away from strong acids and strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
pH (5% Solution)	6.0 - 8.0
Heavy Metals (as Pb)	≤ 10 ppm

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