Description

2,2,4,4,6,6,8,8-Octachloro-1,3,5,7-tetraza-2λ⁵,4λ⁵,6λ⁵,8λ⁵-tetraphosphacycloocta-1,3,5,7-tetraene (CAS: 2950-45-0) is a highly specialized cyclic phosphazene compound with the molecular formula Cl₈N₄P₄. This octachlorinated tetraphosphazene derivative features a unique eight-membered ring structure alternating phosphorus and nitrogen atoms, each phosphorus center bonded to two chlorine substituents. As a member of the phosphonitrilic chloride family, this compound serves as a versatile precursor for further functionalization through nucleophilic substitution reactions. The high chlorine content and reactive P-Cl bonds make it particularly valuable for synthesizing advanced polymeric materials, flame retardants, and specialty chemicals. Supplied as a high-purity solid, this chemical is handled under inert conditions due to its moisture sensitivity. Researchers utilize this compound for developing novel inorganic-organic hybrid materials with tailored thermal, mechanical, and electronic properties.

Properties

• CAS Number: 2950-45-0
• Complexity: 356
• IUPAC Name: 2,2,4,4,6,6,8,8-octachloro-1,3,5,7-tetraza-2lambda5,4lambda5,6lambda5,8lambda5-tetraphosphacycloocta-1,3,5,7-tetraene
• InChI: InChI=1S/Cl8N4P4/c1-13(2)9-14(3,4)11-16(7,8)12-15(5,6)10-13
• InChI Key: PEJQKHLWXHKKGS-UHFFFAOYSA-N
• Exact Mass: 463.652265
• Molecular Formula: Cl8N4P4
• Molecular Weight: 463.5
• SMILES: N1=P(N=P(N=P(N=P1(Cl)Cl)(Cl)Cl)(Cl)Cl)(Cl)Cl
• Topological: 49.4
• Monoisotopic Mass: 459.658166
• Synonyms: 2.lambda.5,4.lambda.5,6.lambda.5,8.lambda.5-1,3,5,7,2,4,6,8-Tetrazatetraphosphocine, 2,2,4,4,6,6,8,8-octachloro-, 2lambda5,4lambda5,6lambda5,8lambda5-1,3,5,7,2,4,6,8-Tetrazatetraphosphocine, 2,2,4,4,6,6,8,8-octachloro-, 2950-45-0, Octachlorocyclotetraphosphazene, Phosphonitrilic chloride, 2,2,4,4,6,6,8,8-Octachloro-2,2,4,4,6,6,8,8-octahydro-1,3,5,7,2,4,6,8-tetraazatetraphosphocine, Phosphonitrile chloride, tetramer, Tetraphosphonitrile chloride, Octachlorotetraphosphonitrile, Octachlorocyclophosphazatetraene, Nitrogen chloride phosphide ((NPCl2)4), Octachlorocyclotetraphosphazatetraene, Phosphonitrilic chloride cyclic tetramer, Phosphonitrile chloride, cyclic tetramer, NSC 37389, 1,3,5,7,2,4,6,8-Tetrazatetraphosphocine, 2,2,4,4,6,6,8,8-octachloro-2,2,4,4,6,6,8,8-octahydro-, 2,2,4,4,6,6,8,8-octachloro-1,3,5,7-tetraza-2lambda5,4lambda5,6lambda5,8lambda5-tetraphosphacycloocta-1,3,5,7-tetraene, 1,1,3,3,5,5,7,7-Octachlorocyclotetraphosphaza-1,3,5,7-tetraene, EINECS 220-972-1, N4P4Cl8, Tetraphosphonitrilic chloride, CHEMBL3344300, DTXSID7062740, Phosphonitrilic chloride tetramer, SCHEMBL21461695, NSC37389, MFCD00015938, NSC-37389, SBB081338, Cyclo-tetrakis(dichlorophosphonitrile), AKOS000276225, Cyclo-tetrakis(phosphorus(V) nitride dichloride), 1,3,3,5,5,7,7-Octachlorocyclotetraphosphaza-1,3,5,7-tetraene, 2,2,4,4,6,6,8,8-octachloro-1,3,5,7,2,4,6,8-tetraazatetraphosphocine, 1,5,7,2,4,6,8-Tetrazatetraphosphocine, 2,2,4,4,6,6,8,8-octachloro-2,2,4,4,6,6,8,8-octahydro-, 2,2,4,4,6,6,8,8-octachloro-1,3,5,7,2lambda~5~,4lambda~5~,6lambda~5~,8lambda~5~-tetraazatetraphosphocine

Application

This octachlorocyclotetraphosphazene serves as a key intermediate in the synthesis of advanced flame retardant additives for polymeric materials. Researchers employ it as a precursor for developing novel phosphazene-based elastomers with exceptional thermal stability and chemical resistance. The compound finds specialized use in creating inorganic-organic hybrid materials for battery electrolytes and fuel cell membranes. Its reactive chlorine sites allow for systematic derivatization to produce tailored phosphazene derivatives with specific physical properties.

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