Hexachlorophosphazene
Hexachlorophosphazene is a chemical compound with the formula (NPCl2)3. It is an inorganic compound that is classified as a cyclic phosphazene. Hexachlorophosphazene is a colorless liquid at room temperature and is primarily used in the synthesis of polymers and ceramic materials.
Structure and Bonding[edit | edit source]
Hexachlorophosphazene is a six-membered ring compound, with alternating phosphorus and nitrogen atoms. Each phosphorus atom is bonded to two chlorine atoms. The phosphorus-nitrogen bond length in hexachlorophosphazene is approximately 1.58 Å, which is consistent with a single bond.
Synthesis[edit | edit source]
Hexachlorophosphazene can be synthesized from phosphorus pentachloride (PCl5) and ammonium chloride (NH4Cl) in a two-step process. The first step involves the reaction of PCl5 with NH4Cl to form phosphonitrilic chloride trimer, which is then heated to produce hexachlorophosphazene.
Applications[edit | edit source]
Hexachlorophosphazene is primarily used as a precursor to high-performance polymers and ceramics. These materials exhibit excellent thermal stability, making them suitable for use in a variety of high-temperature applications.
Safety[edit | edit source]
Hexachlorophosphazene is a highly reactive compound and should be handled with care. It reacts violently with water to produce hydrochloric acid and other toxic gases. Therefore, it should be stored in a cool, dry place and handled using appropriate personal protective equipment.
See Also[edit | edit source]
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