Description

Phosphorous Acid, Phenyl Tridecyl Ester is a specialized organophosphorus compound widely utilized as a high-performance intermediate and additive. Its unique structure provides excellent thermal stability and compatibility with various polymer systems, making it a valuable component in advanced material formulations. This product is essential for manufacturers in the polymer, lubricant, and specialty chemical industries seeking to enhance product performance and durability.

Application

• Polymer Additive: Acts as a stabilizer and processing aid in the production of engineering plastics and high-temperature polymers.
• Lubricant Formulation: Serves as an extreme pressure (EP) additive and anti-wear agent in synthetic lubricants and greases.
• Chemical Intermediate: Used in the synthesis of more complex phosphite and phosphate esters for various industrial applications.
• Flame Retardant Synergist: Employed in combination with other compounds to improve the flame-retardant properties of polymeric materials.
• Hydraulic Fluid Component: Incorporated into fire-resistant hydraulic fluids to improve stability and performance.
• Metalworking Fluid Additive: Provides lubrication and corrosion inhibition in cutting oils and metal forming fluids.

Basic Information

Product Name	Phosphorous Acid, Phenyl Tridecyl Ester
CAS No.	92044-80-9
Molecular Formula	C25H45O3P
Molecular Weight	424.60 g/mol
Synonyms	Phenyl Tridecyl Phosphite; Tridecyl Phenyl Phosphite; Phosphorous Acid Phenyl Tridecyl Ester; Phenol, tridecyl-, phosphite (3:1); Tris(tridecylphenyl) Phosphite; Antioxidant TPP; TNPP (Tridecyl Phenyl Phosphite); CAS 92044-80-9
EINECS	Contact for details

Quality Control

Our Phosphorous Acid, Phenyl Tridecyl Ester is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure consistent purity, identity, and performance. Certificates of Analysis (COA) detailing key parameters such as assay, color, acidity, and refractive index 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; it is recommended to store under an inert atmosphere such as nitrogen to maintain product integrity. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (HPLC)	≥ 95.0%
Acidity (as H3PO3)	≤ 0.5%
Color (APHA)	≤ 50
Refractive Index (20°C)	1.480 - 1.490
Density (20°C)	0.930 - 0.950 g/mL
Water Content (KF)	≤ 0.1%

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