Description

Phosphorous Acid Tris[1-[Bis(2-Chloroethoxy)Phosphinyl]Ethyl] Ester is a specialized organophosphorus compound with a complex, multi-functional structure. This chemical serves as a critical intermediate and functional additive, valued for its ability to impart flame retardancy and act as a reactive modifier in polymer systems. It is primarily sought by manufacturers in the plastics, textiles, and specialty chemical industries who require advanced performance additives. Our supply ensures consistent quality and reliable availability for your production needs.

Application

• As a key reactive intermediate in the synthesis of advanced flame retardants for polymers and textiles.
• As a functional additive and cross-linking agent in the production of specialty polyurethane foams and coatings.
• In the formulation of plasticizers and stabilizers for PVC and other engineering plastics.
• As a precursor for manufacturing lubricant additives and anti-wear agents.
• In research and development of novel organophosphorus ligands for catalytic applications.
• For use in the synthesis of specialty surfactants and emulsifiers with unique properties.

Basic Information

Item	Details
Product Name	Phosphorous Acid Tris[1-[Bis(2-Chloroethoxy)Phosphinyl]Ethyl] Ester
CAS No.	16225-88-0
Molecular Formula	C18H39Cl6O12P4
Molecular Weight	828.98 g/mol
Synonyms	Tris[1-[bis(2-chloroethoxy)phosphoryl]ethyl] phosphite; Phosphorous acid, tris[1-[bis(2-chloroethoxy)phosphinyl]ethyl] ester; 1,1',1''-Phosphinothioylidynetris[ethane-1,1-diyl tris(2-chloroethyl) phosphite]; Tris(1,1-bis(2-chloroethoxyphosphinyl)ethyl) phosphite; Reactive phosphorus ester; Chlorinated phosphite ester; Flame retardant intermediate FR-1
EINECS	Contact for details

Quality Control

Our production of Phosphorous Acid Tris[1-[Bis(2-Chloroethoxy)Phosphinyl]Ethyl] Ester adheres to a stringent quality management system to ensure batch-to-batch consistency and reliability. Each lot is analyzed against comprehensive specifications, including identity confirmation, purity assay, and impurity profiling. Certificates of Analysis (COA) documenting all test results are provided and available upon request to support your quality assurance and regulatory compliance needs.

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 organic solvents. Recommended storage temperature is 15-25°C. Keep container tightly sealed when not in use to minimize moisture absorption and decomposition.

Specification

Item	Specification
Appearance	Colorless to pale yellow viscous liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Phosphorus Content	Contact for details
Chlorine Content	Contact for details
Density (at 20°C)	~1.45 g/cm³
Moisture (KF)	≤ 0.5%

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