Description

4-Nonylphenyl Ditridecyl Phosphite is a high-performance organophosphite antioxidant and secondary stabilizer. This compound is critical for preventing oxidative degradation and maintaining the integrity of polymers and synthetic materials during high-temperature processing and long-term use. It is primarily utilized by manufacturers in the plastics, rubber, and lubricant industries seeking to enhance product durability and shelf life.

Application

• Primary and secondary antioxidant in polyolefins (PP, PE) and other polymers.
• Stabilizer in synthetic lubricants and hydraulic fluids to prevent viscosity breakdown.
• Processing stabilizer for engineering plastics and thermoplastic elastomers (TPEs).
• Additive in adhesive and sealant formulations to improve aging resistance.
• Stabilizing agent for petroleum-based products and hydrocarbon resins.
• Co-stabilizer in PVC and other halogenated polymer systems.

Basic Information

Product Name	4-Nonylphenyl Ditridecyl Phosphite
CAS No.	84787-77-9
Molecular Formula	C44H83O3P
Molecular Weight	667.1 g/mol
Synonyms	Ditridecyl 4-Nonylphenyl Phosphite; Phosphorous Acid, 4-Nonylphenyl Ditridecyl Ester; 4-Nonylphenol Ditridecyl Phosphite; Nonylphenyl Ditridecyl Phosphite; Antioxidant TNPP Analog; Phosphite Stabilizer TNPP-DTDP; CAS 84787-77-9
EINECS	Contact for details

Quality Control

Our 4-Nonylphenyl Ditridecyl Phosphite is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure it meets precise chemical and physical specifications for industrial applications. Certificates of Analysis (COA) documenting purity, identity, and key parameters are available upon request to support your quality assurance protocols.

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 hygroscopic (moisture-sensitive) and easily oxidized; containers should be kept tightly sealed under an inert atmosphere (e.g., nitrogen) after opening to maintain product integrity.

Specification

Item	Specification
Appearance	Clear, pale yellow to amber liquid
Identification (IR)	Conforms
Assay (HPLC)	≥ 95.0%
Acidity (as H3PO4)	≤ 0.1%
Color (APHA)	≤ 100
Moisture (KF)	≤ 0.1%
Specific Gravity (25°C)	0.900 - 0.950
Refractive Index (20°C)	1.470 - 1.490

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