Description

Tris(Chloropropyl) Thiophosphate is a specialized organophosphorus compound that serves as a highly effective flame retardant and plasticizer additive. Its molecular structure provides excellent thermal stability and compatibility with various polymer matrices, making it a critical component for enhancing material safety and performance. This product is essential for manufacturers in the plastics, rubber, and textile industries seeking to meet stringent fire safety regulations without compromising on material properties.

Application

• Primary use as a flame retardant and plasticizer in flexible and rigid polyurethane foams.
• Key additive in PVC and other thermoplastic resins to improve fire resistance.
• Component in epoxy resin systems and unsaturated polyesters for electronic encapsulation and coatings.
• Used in the formulation of fire-resistant adhesives, sealants, and rubber compounds.
• Applied in textile back-coatings and treatments for protective fabrics.
• Intermediate in the synthesis of other specialized organophosphorus chemicals.

Basic Information

Product Name	Tris(Chloropropyl) Thiophosphate
CAS No.	52797-93-0
Molecular Formula	C9H18Cl3O3PS
Molecular Weight	367.63 g/mol
Synonyms	Tris(3-chloropropyl) Thiophosphate; Tris(3-chloropropyl) Phosphate Sulfide; Phosphorothioic Acid, Tris(3-chloropropyl) Ester; TCPT; 3-Chloro-1-propanol Phosphate Sulfide; Tris(chloropropyl) Phosphorothioate; Flame Retardant TCPT; Tris(β-chloropropyl) Thiophosphate
EINECS	258-156-0

Quality Control

Our Tris(Chloropropyl) Thiophosphate is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure it meets precise specifications for purity, color, and key physical properties. We provide full traceability and detailed Certificates of Analysis (COA) with each shipment, confirming compliance with agreed-upon standards. Our quality commitment supports your need for consistent, reliable performance in critical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from strong bases and incompatible organic solvents. Recommended storage temperature is between 15°C and 25°C. Keep container tightly sealed when not in use to prevent moisture absorption and maintain product integrity.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Color (APHA)	≤ 50
Density (20°C)	1.35 - 1.40 g/cm³
Refractive Index (20°C)	1.510 - 1.520
Water Content (KF)	≤ 0.1%
Acidity (as HCl)	≤ 0.05%

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