High-purity piperazine pyrophosphate and method for producing same

The present invention provides piperazine pyrophosphate represented by chemical formula (I) which has a sodium content of 10 ppm or lower and a process of producing the same. The piperazine pyrophosphate has high purity and provides a flame retardant composition exhibiting excellent flame retardancy...

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Bibliographic Details
Main Author KIMURA RYOJI,MURASE HISASHI,NAGAHAMA MASARU,KAMIMOTO TETSUO,NAKANO SHINJI
Format Patent
LanguageEnglish
Published 11.10.2006
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Summary:The present invention provides piperazine pyrophosphate represented by chemical formula (I) which has a sodium content of 10 ppm or lower and a process of producing the same. The piperazine pyrophosphate has high purity and provides a flame retardant composition exhibiting excellent flame retardancy. The process includes dehydration condensation of piperazine diphosphate and is able to produce the piperazine pyrophosphate at low cost.
Bibliography:Application Number: CN2004825664