Description

Trinonylphenol CAS NO 28652-08-6 is a high-purity alkylphenol derivative, a critical intermediate in the synthesis of specialized surfactants and polymer additives. Its branched nonyl chains provide excellent hydrophobic character and thermal stability, making it a valuable building block for high-performance formulations. This product is essential for manufacturers in the polymer, lubricant, and specialty chemical industries seeking to enhance product properties and process efficiency.

Application

• Surfactant Intermediate: A key raw material for the production of nonionic surfactants (ethoxylates) used in industrial and institutional cleaning formulations.
• Polymer Additive Precursor: Serves as a starting material for antioxidants and stabilizers in plastics and rubber to prevent thermal and oxidative degradation.
• Lubricant Additive Synthesis: Used in manufacturing ashless dispersants and anti-wear agents for high-performance engine and industrial oils.
• Resin Modification: Employed in the synthesis of phenolic resins and epoxy curing agents to impart flexibility and improve compatibility.
• Chemical Intermediate: Acts as a versatile intermediate in organic synthesis for agrochemicals and other specialty chemicals.

Basic Information

Product Name	Trinonylphenol
CAS No.	28652-08-6
Molecular Formula	C33H60O
Molecular Weight	472.83 g/mol
Synonyms	Triisononylphenol; Phenol, triisononyl-; 2,4,6-Triisononylphenol; Nonylphenol, tri-; Tris(nonyl)phenol; TNPP (inhibitor context); Antioxidant TNPP; Tri-(nonylphenyl) phosphate precursor; Alkylated phenol (tri-C9)
EINECS	249-139-5

Quality Control

Our Trinonylphenol is manufactured under a stringent quality management system. Every batch undergoes comprehensive analytical testing to ensure consistent purity, identity, and performance. We provide full traceability and detailed Certificates of Analysis (COA) upon request, confirming compliance with agreed specifications. Our quality commitment supports your need for reliable raw material supply in regulated and demanding applications.

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 material is easily oxidized; for long-term storage or after opening, maintaining an inert atmosphere (e.g., under nitrogen) is recommended to preserve quality. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Clear, viscous liquid
Color (APHA)	≤ 50
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.1%
Hydroxyl Value	Contact for details

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