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O-Cresolphthalein CAS 596-27-0


  • CAS:596-27-0
  • Qaanuunka molecular:C22H18O4
  • Miisaanka Molecular:346.38
  • EINECS:209-881-8
  • La mid ah: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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    Waa maxay O-Cresolphthalein CAS 596-27-0?

    O-cresol phthalein waa budo crystalline ah oo cad ama huruud ah. Barta dhalaalka 216 ~ 217 ℃. Ku milmay khamriga, ether iyo glacial acetic acid, wax yar oo biyo ku milmay, aan lagu milmin benzene, milmay alkali milix ah. Waxa loo adeegsaday tusaha aashitada-saldhigga ee kimistariga falanqaynta. Waxay leedahay qaab dhismeed kiimiko oo la mid ah iyo sifooyin kiimikaad oo la mid ah phenolphthalein, midabkeeduna waa 8.2 (midab la'aan) -9.8 (casaan) Qaab dhismeedkeeda aashitada waa qaab lactone oo aan midab lahayn, iyo qaab dhismeedkeedu waa qaabka quinone oo u muuqda casaan.

    Tilmaamid

    Shayga Tilmaamid
    barta dhalaalaysa 223-225 °C
    Barta karkarinta 401.12°C (qiyaasta qallafsan)
    Cufnaanta 1.1425 (qiyaasta adag)
    Tilmaanta refractive 1.4400 (qiyaas)
    pKa 9.40 ( saacada 25 ℃)

    Codsiga

    O-Cresolphthalein waxa loo istcimaalaa tusaha aashitada ku salaysan oo leh kala duwanaansho midab leh oo pH8.2(midab la'aan) ilaa 9.8(casaan).

    Xidhmada

    25kg / durbaan ama sida waafaqsan shuruudaha macaamiisha.

    Baakadaha O-Cresolphthalein

    O-Cresolphthalein CAS 596-27-0

    Xidhmada O-Cresolphthalein

    O-Cresolphthalein CAS 596-27-0


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