Description

Tris(Chloropropyl) Phosphite CAS NO 50922-79-7 is a specialized organophosphorus compound widely utilized as a high-performance intermediate and stabilizer. Its molecular structure, featuring three reactive chloropropyl groups, makes it a valuable building block for synthesizing advanced flame retardants, polymer additives, and specialty phosphonates. This chemical is essential for manufacturers in the polymer, agrochemical, and specialty chemical industries seeking to enhance material properties or develop novel compounds.

Application

• Flame Retardant Synthon: A key intermediate in the production of halogenated organophosphorus flame retardants for plastics, textiles, and coatings.
• Polymer Stabilizer: Acts as a secondary antioxidant and processing stabilizer in polymers like polyolefins and PVC to prevent thermal degradation.
• Chemical Intermediate: Used in organic synthesis to introduce phosphite or phosphonate functional groups for agrochemicals and pharmaceuticals.
• Lubricant & Fuel Additive: Serves as a precursor for anti-wear and extreme pressure additives in industrial lubricants and hydraulic fluids.
• Epoxy Resin Modifier: Employed to modify epoxy resin systems, improving flexibility and flame retardancy.
• Metal Complexing Agent: Functions as a ligand or chelating agent in certain catalytic and metal extraction processes.

Basic Information

Product Name	Tris(Chloropropyl) Phosphite
CAS No.	50922-79-7
Molecular Formula	C9H18Cl3O3P
Molecular Weight	327.56 g/mol
Synonyms	Tris(3-chloropropyl) phosphite; Phosphorous acid, tris(3-chloropropyl) ester; 3-Chloro-1-propanol phosphite (3:1); Tris(3-chloropropoxy)phosphine; NSC 163083; Tris(ω-chloropropyl) phosphite; Tris(3-chloropropyl) phosphite
EINECS	256-889-8

Quality Control

Our Tris(Chloropropyl) Phosphite is manufactured under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including chromatography and titration methods, to ensure it meets precise chemical and physical specifications. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee traceability and compliance with your technical requirements.

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 should be kept under an inert atmosphere (e.g., nitrogen) after opening to prevent oxidation and hydrolysis. Keep away from strong acids and strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 97.0%
Density (20°C)	1.28 - 1.32 g/cm³
Refractive Index (n20/D)	1.480 - 1.490
Water Content (KF)	≤ 0.5%
Acidity (as HCl)	≤ 0.1%

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