O-Cresolphthalein CAS 596-27-0
O-cresol phthalein ose pa'epa'e e o'o ile lanu samasama pa'u tioata.Liu liusuavai 216 ~ 217 ℃.Solu i le ava malosi, eter ma glacial acetic acid, soluble teisi i le vai, e le mafai ona solu i le benzene, soluble i le alkali vai.Fa'aaogaina e fai ma fa'ailo fa'amaufa'ailoga i le kemisi su'esu'e.E tutusa le fausaga o vailaʻau ma mea faʻapitoa ma vailaʻau i le phenolphthalein, ma o lona lanu faʻafefeteina lanu o le 8.2(lanu) -9.8 (lanu mumu) (Phenolphthalein color discoloration range is 8.2-10).O lona fausaga oona o le lactone e leai ni lanu, ma o lona faavae o le quinone form ma foliga mumu.
| Aitema | Fa'amatalaga |
| Liu liusuavai | 223-225 °C |
| Fa'apuna | 401.12°C (fa'atatau fa'atatau) |
| Malosi | 1.1425 (fa'atatau fa'atatau) |
| Fa'ailoga fa'afofo | 1.4400 (fa'atatau) |
| pKa | 9.40(i le 25℃) |
O-Cresolphthalein o lo'o fa'aaogaina e fai ma fa'ailo fa'amaufa'ailoga oona ma se fa'ailoga lanu o le pH8.2(le lanu) i le 9.8(mumu).
25kg / paʻu poʻo e tusa ai ma manaʻoga o tagata faʻatau.
O-Cresolphthalein CAS 596-27-0
O-Cresolphthalein CAS 596-27-0
