Description

Tris[3-(Allyloxy)-2-Chloropropyl] Phosphite is a specialized organophosphorus compound that serves as a high-performance intermediate and additive. Its molecular structure, featuring both allyl ether and chloropropyl groups, makes it a valuable reactive modifier and stabilizer in advanced polymer synthesis. This chemical is primarily sought by manufacturers in the polymer, resin, and specialty chemical industries for developing materials with enhanced properties.

Application

• As a reactive flame retardant intermediate in the production of epoxy resins, polyurethanes, and unsaturated polyesters.
• As a key monomer or cross-linking agent in the synthesis of specialty polymers with tailored thermal and mechanical properties.
• As a stabilizer and antioxidant precursor in polymer formulations to prevent degradation during processing and end-use.
• In the manufacture of adhesives and sealants, where it can improve adhesion and environmental resistance.
• As an intermediate for the synthesis of more complex phosphite and phosphate esters used as lubricant additives or plasticizers.
• In research and development for creating novel polymeric materials with specific functional characteristics.

Basic Information

Item	Details
Product Name	Tris[3-(Allyloxy)-2-Chloropropyl] Phosphite
CAS No.	19865-30-6
Molecular Formula	C21H36Cl3O6P
Molecular Weight	522.82 g/mol
Synonyms	Tris(3-allyloxy-2-chloropropyl) phosphite; Phosphorous acid, tris[3-(2-propen-1-yloxy)-2-chloropropyl] ester; Tris(2-chloro-3-allyloxypropyl) phosphite; Allyloxychloropropyl phosphite; 3-(Allyloxy)-2-chloropropyl phosphite trimer; Antioxidant TNPP analog; Reactive phosphite ester
EINECS	Contact for details

Quality Control

Our production of Tris[3-(Allyloxy)-2-Chloropropyl] Phosphite adheres to rigorous quality control protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques like GC, HPLC, and NMR to confirm identity and assay. A comprehensive Certificate of Analysis (COA) detailing purity, moisture content, and specific impurity profiles is provided with every shipment to support your quality assurance processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This material is easily oxidized and should be kept under an inert atmosphere (e.g., nitrogen) for long-term storage to maintain efficacy. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Color (APHA)	≤ 100
Moisture (Karl Fischer)	≤ 0.5%
Density (at 20°C)	~1.20 g/cm³
Refractive Index (n20D)	~1.4800 - 1.4900

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