9049-93-8 ???????
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??????? |
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?????? A-21 ? ????? ??????? ??????? ?????? A-21 ? ?????? (RG A-21 |
| ????? ??????????? |
Amberlyst® Amberlyst A-21; amberlyst A-21 ion-exchange resin; Amberlyst(rg A-21 |
| ?????? ???????? |
C12H20O2 |
| ????? ??????? ??????? |
196.28
|
| ?????????? ???????? ??????? |
9049-93-8 |
| ????? |
1.1 |
| ???? ????? |
S24/25:Avoid contact with skin and eyes.;
|
|