Description

Tris(2-Chloropropyl) Phosphite is a specialized organophosphorus compound widely utilized as a high-performance intermediate and stabilizer. Its primary commercial value lies in its role as a key precursor for synthesizing advanced flame retardants, plasticizers, and other functional additives. This chemical is essential for manufacturers in the polymer, plastics, and specialty chemical industries seeking to enhance material properties and develop new formulations.

Application

• Flame Retardant Synthon: A critical intermediate in the production of halogenated organophosphorus flame retardants for polymers like polyurethane, epoxy resins, and engineering plastics.
• Polymer Stabilizer: Acts as a secondary antioxidant and processing stabilizer, helping to prevent thermal and oxidative degradation during the polymer manufacturing process.
• Plasticizer Intermediate: Used in the synthesis of specialty phosphate-based plasticizers that offer improved flame resistance and low-temperature flexibility.
• Lubricant & Hydraulic Fluid Additive: Serves as a precursor for anti-wear and extreme pressure (EP) additives in advanced lubricant formulations.
• Chemical Synthesis: Employed as a versatile phosphorylating agent in organic synthesis for pharmaceuticals and agrochemicals.
• Adhesive & Sealant Formulations: Imparts stability and specific performance characteristics in high-end adhesive and sealant products.

Basic Information

Product Name	Tris(2-Chloropropyl) Phosphite
CAS No.	6145-74-0
Molecular Formula	C9H18Cl3O3P
Molecular Weight	311.57 g/mol
Synonyms	Phosphorous Acid Tris(2-Chloropropyl) Ester; Tris(2-Chloro-1-methylethyl) Phosphite; 2-Chloro-1-methylethyl Phosphite; Tris(β-Chloroisopropyl) Phosphite; Phosphorous Acid Tris(2-Chloroisopropyl) Ester; TCIPP; Tris(chloroprop-2-yl) Phosphite
EINECS	228-120-4

Quality Control

Our Tris(2-Chloropropyl) Phosphite is manufactured under strict quality management systems to ensure batch-to-batch consistency and reliability. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, color, acidity, and specific impurity profiles. Our quality commitment aligns with industrial chemical standards, and we support customer-specific quality agreements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from heat sources and incompatible materials. Due to its sensitivity to oxidation, it is recommended to store under an inert atmosphere (e.g., nitrogen) for long-term preservation. Keep container tightly sealed when not in use to minimize moisture uptake.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0 %
Color (APHA)	≤ 50
Acidity (as HCl)	≤ 0.1 %
Water Content (KF)	≤ 0.1 %
Specific Gravity (20°C)	1.28 - 1.32
Refractive Index (20°C)	1.480 - 1.490

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