Description

Tris(2,4-Di-tert-Butylphenyl)Phosphate is a high-performance organophosphorus compound widely recognized for its excellent stabilizing properties. This chemical is a critical additive for protecting polymers and synthetic materials from thermal and oxidative degradation during processing and long-term use. It is an essential component for manufacturers in the plastics, rubber, and specialty lubricant industries seeking to enhance product durability and lifespan.

Application

• Polymer Stabilizer: Primary application as a highly effective antioxidant and processing stabilizer for polyolefins (PP, PE), engineering plastics, and synthetic rubbers.
• Lubricant & Grease Additive: Used as an anti-wear and extreme pressure (EP) additive in advanced synthetic lubricants and industrial greases to improve performance under high stress.
• Adhesive & Sealant Formulations: Enhances the thermal stability and prevents premature aging of hot-melt adhesives, sealants, and other polymer-based bonding agents.
• Elastomer Protection: Imparts resistance to heat buildup and oxidative cracking in synthetic elastomers used for automotive components, hoses, and belts.
• Coating Additive: Incorporated into protective coatings and wire insulation compounds to maintain flexibility and prevent embrittlement at elevated temperatures.
• Synergistic Blends: Often used in combination with other phenolic antioxidants and phosphites to create synergistic stabilization systems for demanding applications.

Basic Information

Product Name	Tris(2,4-Di-tert-Butylphenyl)Phosphate
CAS No.	95906-11-9
Molecular Formula	C42H63O4P
Molecular Weight	662.92 g/mol
Synonyms	Tris(2,4-di-tert-butylphenyl) phosphite; Phosphorous acid, tris(2,4-bis(1,1-dimethylethyl)phenyl) ester; Irgafos 168; Antioxidant 168; AO 168; Tris(2,4-ditert-butylphenyl)phosphite; Hostanox PAR 24; Alkanox 240; Doverphos S-9228; 2,4-Di-tert-butylphenyl phosphite (3:1)
EINECS	Contact for details

Quality Control

Our production of Tris(2,4-Di-tert-Butylphenyl)Phosphate adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. The material is manufactured and tested in compliance with relevant industry standards for polymer additives. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and specific impurity profiles is provided with each shipment to guarantee it meets your technical requirements.

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); keep the original container tightly sealed to minimize exposure to atmospheric humidity.

Specification

Item	Specification
Appearance	White crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0 %
Melting Point	182 - 186 °C
Loss on Drying	≤ 0.5 %
2,4-Di-tert-butylphenol Content	≤ 0.5 %
Phosphorus Content	4.6 - 4.8 %

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