Hexaphenoxycyclotriphosphazene TCI H1356

Hexaphenoxycyclotriphosphazene is a cyclophosphazene compound built around a six-membered ring in which phosphorus and nitrogen atoms alternate, with six phenoxy groups attached to the phosphorus atoms. In materials and energy laboratories, this compound serves as a functional additive introduced in small proportions into electrolyte formulations and polymer matrices in order to improve the thermal behaviour of the system as a whole. Because phosphorus and nitrogen are present within the same molecular framework, it has become a reference material for researchers who wish to study combustion suppression mechanisms without relying on halogen-based compounds, which are now widely avoided.

The characteristic that leads researchers to select this compound is the combination of a thermally stable inorganic phosphazene backbone with aromatic substituents that provide good compatibility towards organic solvents and resins. Unlike simple phosphate additives, the closed ring structure makes the compound relatively non-volatile and inclined to remain within the formulation throughout heating and mixing operations. This property matters to battery researchers who need the additive to stay in the electrolyte phase once it has been incorporated, rather than being lost during preparation or during thermal exposure of the assembled cell.

In Indonesian laboratories, this material is typically encountered in battery materials and polymer research groups working on electrolyte formulation and thermally stable composite systems. It is normally handled at bench scale, weighed in small quantities and dissolved or dispersed into a carrier formulation before evaluation. University research laboratories, materials characterisation facilities and industrial development units use it as a comparative additive when assessing how a phosphorus-nitrogen framework influences the thermal response of a given system.

• Battery electrolyte additive studies, where the compound is dosed into carbonate-based electrolyte formulations so that researchers can observe how a phosphorus-nitrogen additive alters the thermal response of the cell system.
• Halogen-free combustion suppression research, since the phosphorus and nitrogen contained in a single molecular framework allow suppression mechanisms to be studied without introducing halogenated compounds that are increasingly avoided.
• Polymer matrix modification work, because the aromatic phenoxy substituents give good compatibility with resins and allow the additive to be blended into polymer systems without immediate phase separation.
• Thermal stability evaluation of formulations, as the closed phosphazene ring is relatively non-volatile and tends to remain in the mixture throughout heating, giving more representative data on additive behaviour.
• Comparative additive benchmarking, where the compound serves as a structurally defined reference against simple phosphate additives when researchers need to isolate the contribution of the cyclophosphazene backbone.

• Catalogue number: H1356

Store the container tightly closed in a cool, dry and well-ventilated area, away from heat sources, ignition sources and incompatible chemicals, and follow the storage conditions specified by the manufacturer on the product label and safety data sheet. Keep the material in its original supplier container, or in a clean, chemically compatible and clearly labelled container if transfer is required. Handle the compound in a fume hood using appropriate personal protective equipment, including safety glasses, gloves and a laboratory coat. Avoid generating dust during weighing, minimise contact with skin and eyes, and consult the safety data sheet before use and before disposal of residues.

—