Description

Tris(Dichloropropyl) Phosphite is a specialized organophosphorus compound widely used as a high-performance intermediate and stabilizer. Its molecular structure provides excellent functionality as a reactive flame retardant and a key component in polymer modification. This product is essential for manufacturers in the plastics, coatings, and specialty chemical industries seeking to enhance material properties. We supply consistent, high-quality material to support your production needs.

Application

• Reactive Flame Retardant Intermediate: A key precursor in the synthesis of halogenated phosphate esters for use in polyurethane foams, epoxy resins, and other polymers.
• Polymer Stabilizer and Antioxidant: Functions as a secondary antioxidant and process stabilizer in polyolefins (PP, PE) and PVC, helping to prevent thermal degradation during processing.
• Chemical Intermediate: Used in the synthesis of other phosphorus-containing specialty chemicals, including pesticides, lubricant additives, and corrosion inhibitors.
• Adhesive and Coating Formulations: Imparts flame retardancy and improved thermal stability to adhesives, sealants, and protective coatings.
• Textile Treatment: Employed in finishes to provide flame-retardant properties to fabrics and fibers.
• Synergist in Flame Retardant Systems: Works synergistically with other halogenated or nitrogen-based flame retardants to enhance overall fire resistance efficiency.

Basic Information

Product Name	Tris(Dichloropropyl) Phosphite
CAS No.	26604-52-4
Molecular Formula	C9H15Cl6O3P
Molecular Weight	430.91 g/mol
Synonyms	Tris(1,3-dichloro-2-propyl) phosphite; Phosphorous acid, tris(1,3-dichloro-2-propyl) ester; Tris(1,3-dichloroisopropyl) phosphite; TDCPP (phosphite form); 1,3-Dichloro-2-propanol phosphite (3:1); Tris(dichloroisopropyl) phosphite; Fyrol® PCF (related product); Antiblaze® 100 (related product)
EINECS	247-856-3

Quality Control

Our Tris(Dichloropropyl) Phosphite is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing to ensure it meets precise chemical and physical specifications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to guarantee traceability and compliance with your quality requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong acids and oxidizing agents. Recommended storage temperature is between 15°C and 25°C. Keep container tightly sealed when not in use to minimize moisture absorption and maintain product integrity.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (HPLC)	≥ 95.0%
Density (20°C)	1.50 - 1.55 g/cm³
Refractive Index (20°C)	1.520 - 1.530
Acidity (as HCl)	≤ 0.1%
Water Content (KF)	≤ 0.2%
Chlorine Content	48.0 - 50.0%

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