Description

Aluminium Tris(4-Hydroxybenzenesulphonate) is an organometallic coordination compound where aluminum is complexed with three 4-hydroxybenzenesulfonate ligands. This compound is valued for its role as a catalyst and cross-linking agent in specialized polymer and resin synthesis, offering thermal stability and controlled reactivity. It serves critical functions in the production of advanced materials for the coatings, adhesives, and specialty chemical industries.

Application

• Catalyst in Polymerization: Acts as a Lewis acid catalyst for the synthesis of phenolic resins and other thermosetting polymers.
• Cross-linking Agent: Used to modify and improve the mechanical properties and heat resistance of specialty coatings and adhesives.
• Flame Retardant Synergist: Employed in formulations for plastics and textiles to enhance flame-retardant efficacy.
• Paper Sizing Agent: Improves water resistance and printability in high-performance paper products.
• Intermediate for Dyes & Pigments: Serves as a key building block in the manufacture of certain organic colorants.
• Water Treatment Chemical: Functions as a flocculant aid in specific industrial wastewater treatment processes.

Basic Information

Product Name	Aluminium Tris(4-Hydroxybenzenesulphonate)
CAS No.	25395-08-8
Molecular Formula	C18H15AlO12S3
Molecular Weight	546.47 g/mol
Synonyms	Aluminum 4-Hydroxybenzenesulfonate; Aluminum Tris(p-phenolsulfonate); Tris(4-hydroxybenzenesulfonato)aluminum; Aluminium Phenolsulfonate; Aluminum Phenol Sulfonate; p-Phenolsulfonic Acid Aluminum Salt; Aluminium Hydroxybenzenesulfonate
EINECS	Contact for details

Quality Control

Our Aluminium Tris(4-Hydroxybenzenesulphonate) is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. A Certificate of Analysis (COA) detailing assay, impurity profiles, and physical specifications is provided with every shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product performance.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Assay (Al2O3 basis)	Min. 98.0%
Loss on Drying	Max. 2.0%
Sulfate (as SO4)	Max. 0.5%
Heavy Metals (as Pb)	Max. 20 ppm
pH (5% solution)	3.0 - 5.0

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