O-Cresolphthalein CAS 596-27-0

CAS:596-27-0

Molecular Formula:C22H18O4

Molecular Weight:346.38

EINECS:209-881-8

Mashoko anoreva zvakafanana: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

Siya Mharidzo Yako

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Chii chinonzi O-Cresolphthalein CAS 596-27-0?

O-cresol phthalein ichena kusvika kuchiedza checrystalline poda.Kunyungudika 216 ~ 217 ℃.Inonyungudika mudoro, ether uye glacial acetic acid, inonyungudika zvishoma mumvura, isinganyunguriki mubenzene, inonyungudika mu dilute alkali.Inoshandiswa senge acid-base chiratidzo mune analytical chemistry.Iine chimiro chakafanana chemakemikari uye chemuviri uye chemakemikari zvinhu kune phenolphthalein, uye ruvara rwayo ruvara rwemavara ndeye 8.2 (isina ruvara) -9.8 (tsvuku) (Phenolphthalein color discoloration range is 8.2-10).Chimiro chayo cheasidhi haina ruvara rwelactone fomu, uye chigadziko chayo chimiro chequinone uye chinoita chitsvuku.

Tsanangudzo

Item	Tsanangudzo
Melting point	223-225 °C
Boiling point	401.12°C (yakaomarara fungidziro)
Density	1.1425 (yakashata fungidziro)
Refractive index	1.4400 (kufungidzira)
pKa	9.40(pa25℃)