Description

Phosphoric Acid Tris[4-[(4-Hydroxy-2-Methylphenyl)Thio]-3-Methylphenyl] Ester is a specialized organophosphorus compound designed for high-performance applications. This chemical is valued for its role as a multifunctional additive, offering properties such as thermal stabilization and antioxidant activity. It is primarily sought by manufacturers in the polymer and specialty chemical industries for enhancing material durability and performance.

Application

• Polymer Stabilizer: Acts as a processing and long-term heat stabilizer in engineering plastics and high-temperature polymers.
• Antioxidant Agent: Provides oxidative stability to synthetic rubbers, elastomers, and lubricant formulations.
• Flame Retardant Synergist: Used in combination with other flame retardants to improve efficacy in plastics and textiles.
• Specialty Additive: Employed in the synthesis of advanced materials requiring enhanced thermal and oxidative resistance.
• Chemical Intermediate: Serves as a key building block for synthesizing more complex phosphorous-containing compounds.

Basic Information

Product Name	Phosphoric Acid Tris[4-[(4-Hydroxy-2-Methylphenyl)Thio]-3-Methylphenyl] Ester
CAS No.	71463-72-4
Molecular Formula	C45H45O7PS3
Molecular Weight	825.02 g/mol
Synonyms	Tris(4-((4-hydroxy-2-methylphenyl)thio)-3-methylphenyl) phosphate; Phosphoric acid tris(4-((4-hydroxy-2-methylphenyl)thio)-3-methylphenyl) ester; Tris[4-[(4-hydroxy-2-methylphenyl)thio]-3-methylphenyl] phosphate; Antioxidant 1790; Irganox 1790; AO-1790; THMPP; Contact for additional trade names.
EINECS	Contact for details

Quality Control

Our production of Phosphoric Acid Tris[4-[(4-Hydroxy-2-Methylphenyl)Thio]-3-Methylphenyl] Ester adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity. The product is manufactured under a quality management system and is supported by comprehensive analytical testing. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available for every batch upon request.

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 alkalis and incompatible organic solvents. The material is light-sensitive and should be stored away from direct light exposure.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals (as Pb)	≤ 10 ppm

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