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      2-??????(??)????

       

      ???:2-??????(??)????
      ???:2-Carboxyethyl(phenyl)phosphinicacid, 3-(Hydroxyphenylphosphinyl)-propanoic acid
      ??:CEPPA、3-HPP
      CAS NO. :14657-64-8
      ??? : C9H11O4P
      ??? :214.16

      ?? ????:
      ??:?? ?? ?? ??
      ??(HPLC): ≥99.0%
      ??:156-161℃
      ???:≥14.0±0.5%
      ??:522±4mgKOH/g
      ???:≤0.005%
      ???:≤0.01%
      ??:≤0.5%
      ??:25kg ??? ?? ??? ???? ?? ?? ??? ??
      ??:?, ?????? ? ??? ?? ???? ????? ???? ?? ??? ????.
      ??:???? ???? ????? ?????? ??? ????? ???? ?? ????????? ????? ??PET? ????,

      ??? ?????? ??? ????? ??? ? ??. ??? ????, ????? ??? ???? ?? ????? ??? ??? ???

      ?????? ??? ??????? ??? ? ?? ? ??? ?? ??PET? ??? ? ?? ? ??? ?? ??? ? ??. PTA, EG? ????? ???? 2.5~4.5%??

      ???????? ??? ???? 0.35-0.60%?? ???? ?? ??? ??????? 30~36%??.





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