Description

Triamyl Phosphite is a versatile organophosphorus compound widely utilized as a high-performance intermediate and stabilizer. Its primary value lies in its ability to act as an antioxidant and chelating agent, protecting materials from degradation caused by oxidation and metal ions. This makes it a critical component for manufacturers in the polymer, lubricant, and specialty chemical industries seeking to enhance product longevity and performance.

Application

• As a stabilizer and antioxidant in polymers and plastics to prevent thermal and oxidative degradation during processing and service life.
• As a chelating agent in lubricant and fuel additive packages to deactivate pro-oxidative metal ions.
• As a key chemical intermediate in the synthesis of more complex organophosphorus compounds for agrochemicals or flame retardants.
• In the formulation of specialty adhesives and sealants to improve their resistance to heat and environmental aging.
• As a corrosion inhibitor in metalworking fluids and industrial lubricants.
• In research and development for studying phosphite chemistry and developing new catalytic or stabilization systems.

Basic Information

Product Name	Triamyl Phosphite
CAS No.	1990-22-3
Molecular Formula	C15H33O3P
Molecular Weight	292.40 g/mol
Synonyms	Phosphorous Acid, Triamyl Ester; Triamyl Phosphite; Tri(pentyl) Phosphite; Tris(pentyloxy)phosphine; Tris(amyl) Phosphite; Amyl Phosphite (tri-); Phosphorous Acid Triamyl Ester; P(O)(OC5H11)3
EINECS	217-871-1

Quality Control

Our Triamyl Phosphite is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including assay and impurity profiling, to ensure it meets precise specifications and is suitable for its intended industrial applications. A Certificate of Analysis (COA) detailing purity, identity, and other critical parameters is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area under an inert atmosphere (e.g., nitrogen) to minimize oxidation. Recommended storage temperature is between 15°C and 25°C. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 95.0%
Density (at 20°C)	0.89 - 0.92 g/mL
Refractive Index (n20D)	1.430 - 1.440
Acidity (as H3PO4)	≤ 0.5 %

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