O-Cresolphthalein CAS 596-27-0

CAS:596-27-0

Fuafua mole:C22H18O4

Molecular Weight:346.38

EINECS:209-881-8

upu uiga tutusa:3',3''-dimethyl-phenolphthalei; cresolphthalein; Di-o-Cresolphthalide; o-Cresolphalein; o-cresolphtaleine; 3,3-bis(4-hydroxy-3-methylphenyl) -1(3h)-isobenzofuranon; 3,3-Bis(4-hydroxy-3-methylphenyl)-1-(3H)-iso-benzofuranone

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O le a le O-Cresolphthalein CAS 596-27-0?

O-cresol phthalein ose pa'epa'e ma samasama samasama pauta tioata. Liu liusuavai 216 ~ 217 ℃. Solu i le ava malosi, eter ma glacial acetic acid, soluble teisi i le vai, 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 faʻaletino ma vailaʻau i le phenolphthalein, ma o lona lanu lanu o le 8.2 (lanu) -9.8 (lanu mumu) (Phenolphthalein lanu faʻafefeteina o le 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.

Fa'amatalaga

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℃)