Description

Phosphonitrile Chloride, Homopolymer is a high-purity inorganic polymer characterized by a backbone of alternating phosphorus and nitrogen atoms with reactive chloride side groups. This compound matters for its role as a versatile intermediate in the synthesis of advanced flame retardants, specialty elastomers, and high-performance materials. Industries such as polymer science, electronics, and advanced material manufacturing need it to develop products with enhanced thermal stability and tailored chemical resistance.

Application

• Flame Retardant Synthon: A key precursor for synthesizing highly effective phosphorus-nitrogen based flame retardants used in plastics, textiles, and coatings.
• Specialty Polymer Production: Serves as a building block for creating phosphazene polymers and elastomers with unique properties like flexibility at low temperatures and chemical inertness.
• Electrolyte Additives: Used in the research and development of advanced electrolyte formulations for lithium-ion and other battery systems to improve safety and performance.
• Ligand and Catalyst Support: Acts as a scaffold or ligand in coordination chemistry and catalysis for various organic transformations.
• Ceramic Precursor: Employed in the preparation of phosphorus nitride-based ceramics and coatings via pyrolysis, offering high thermal stability.
• Cross-linking Agent: Utilized in the curing and cross-linking of specific polymer systems to enhance their mechanical and thermal properties.

Basic Information

Product Name	Phosphonitrile Chloride, Homopolymer
CAS No.	25034-79-1
Molecular Formula	(PNCl2)n
Molecular Weight	Variable (Polymer)
Synonyms	Phosphonitrilic Chloride Trimer; Hexachlorocyclotriphosphazene; Phosphonitrile Chloride Trimer; Triphosphonitrile Chloride; Cyclotriphosphazene; PNCI Trimer; Inorganic Polymer (PNCl2)n; Chlorophosphazene Trimer
EINECS	246-589-1

Quality Control

Our Phosphonitrile Chloride, Homopolymer is manufactured under strict quality protocols. Each batch undergoes rigorous analytical testing, including assay, chloride content analysis, and identification of cyclic oligomers, to ensure consistency and high purity. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to guarantee compliance with your project requirements.

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 hygroscopic (moisture-sensitive) and must be kept under an inert atmosphere (e.g., nitrogen or argon) in its original packaging to prevent hydrolysis and degradation. Keep away from strong bases and moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline solid
Identification (IR)	Conforms
Assay (by Titration)	≥ 98.0 %
Cyclic Trimer Content	≥ 95.0 %
Melting Point	112 - 116 °C
Chloride Content	Contact for details
Water Content (KF)	≤ 0.5 %

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