日韩女同性一区二区三区,日韩精品在线看,在线观看欧美亚洲一区二区,无码高清在线不卡一区二区,一级片一区二区中文字幕

CHINESE   |  ENGLISH   |  JAPANESE   |  KOREAN





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%??.





  Prve: ????????????
  Next: ?????????????(DCPPS)