Unilong
Iriri iṣelọpọ Ọdun 14
Ti ara 2 Kemikali Eweko
Ti kọja ISO 9001: Eto Didara 2015

O-Cresolphthalein CAS 596-27-0


  • CAS:596-27-0
  • Fọọmu Molecular:C22H18O4
  • Ìwọ̀n Molikula:346.38
  • EINECS:209-881-8
  • Awọn itumọ ọrọ sisọ:3',3'-dimethyl-phenolphthalei; crsolphthalein; 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
  • Alaye ọja

    Gba lati ayelujara

    ọja Tags

    Kini O-Cresolphthalein CAS 596-27-0?

    O-cresol phthalein jẹ funfun si ina ofeefee okuta lulú. Ojutu yo 216 ~ 217 ℃. Tiotuka ninu oti, ether ati glacial acetic acid, die-die tiotuka ninu omi, insoluble ni benzene, tiotuka ni dilute alkali. Ti a lo bi atọka-ipilẹ acid ni kemistri atupale. O ni eto kemikali ti o jọra ati awọn ohun-ini ti ara ati kemikali si phenolphthalein, ati iwọn awọ-awọ rẹ jẹ 8.2 (laisi awọ) -9.8 (pupa) (Phenolphthalein awọ discoloration ibiti o jẹ 8.2-10). Eto acid rẹ jẹ fọọmu lactone ti ko ni awọ, ati ipilẹ ipilẹ rẹ jẹ fọọmu quinone ati pe o han pupa.

    Sipesifikesonu

    Nkan Sipesifikesonu
    Ojuami yo 223-225 °C
    Oju omi farabale 401.12°C (iṣiro ti o ni inira)
    iwuwo 1.1425 (iṣiro ti o ni inira)
    Atọka itọka 1.4400 (iṣiro)
    pKa 9.40 (ni 25℃)

    Ohun elo

    O-Cresolphthalein ti wa ni lilo bi itọka ipilẹ-acid pẹlu iwọn discoloration ti pH8.2 (alaini awọ) si 9.8 (pupa).

    Package

    25kg / ilu tabi ni ibamu si awọn ibeere alabara.

    O-Cresolphthalein-packing

    O-Cresolphthalein CAS 596-27-0

    O-Cresolphthalein-package

    O-Cresolphthalein CAS 596-27-0


  • Ti tẹlẹ:
  • Itele:

  • Kọ ifiranṣẹ rẹ nibi ki o si fi si wa