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Thymolphthalein CAS 125-20-2


  • CAS:125-20-2
  • Foromo ea limolek'hule:C28H30O4
  • Boima ba limolek'hule:430.54
  • Nomoro ea EINECS:204-729-7
  • Tšoanang:3,3-bis(4-hydroxy-2-methyl-5-(1-methylethyl)phenyl)-1(3H)-Isobenzofuranone; 3,3-bis[4-hydroxy-2-methyl-5-(1-methylethyl)phenyl]-1(3h)-isobenzofuranon; Thymolphthalein, tlhahloboACS;Thymolphthalein, sesupo, se hlwekileng; THYMOLPHTHALEINREANT(ACS); THAROLLO EA THYMOLPHTHALE
  • Qaqiso ea Sehlahisoa

    Khoasolla

    Li-tag tsa Sehlahisoa

    Thymolphthalein CAS 125-20-2 ke eng?

    Lebitso la saense la Thymolphthalein ke "3,3-bis(4-hydroxy-5-isopropyl-2-methylphenyl)-phthalide", e leng reagent ya tlhaho. Foromo ya dikhemikhale ke C28H30O4, mme boima ba dimolek'hule ke 430.54. Ke phofo e tshweu ya kristale. E qhibiliha habonolo ka hara ether, acetone, sulfuric acid le ditharollo tsa alkaline, mme ha e qhibilihe ka metsing. Hangata e sebediswa e le sesupo sa motheo wa acid, mme pH ya yona ya phetoho ya mmala ke 9.4-10.6, mme mmala o fetoha ho tloha ho se nang mmala ho ya ho o moputsoa. ​​Ha e sebediswa, hangata e lokiswa ho ba tharollo ya ethanol ya 0.1% 90%. Hape hangata e lokiswa ka disupo tse ding ho etsa sesupo se kopaneng se bonolo ho etsa hore sebaka sa yona sa phetoho ya mmala se be se kgutshwane mme tlhokomelo e be e hlakileng haholoanyane.

    Tlhaloso

    NTHO

    TEKANYETSO

    SEPHETHO

    Boitsebiso

    Phofo e tšoeu ho isa ho e tšoeu

    Litumellano

    1H-NMR

    Sekhahla se tšoanang se nang le litšupiso

    Pase

    Bohloeki ba HPLC

    ≥98%

    99.6%

    Tahlehelo ha ho omisoa

    1%max

    0.24%

    Kopo

    Hangata Thymolphthalein e sebelisoa e le sesupo sa motheo oa asiti, ka pH ea phetoho ea 'mala ea 9.4 ho isa ho 10.6, le phetoho ea 'mala ho tloha ho se nang 'mala ho ea ho boputsoa. ​​Ha e sebelisoa, hangata e lokisoa e le tharollo ea ethanol ea 0.1% 90%, 'me hangata e kopanngoa le lisupo tse ling ho etsa sesupo se kopaneng ho etsa hore mefuta ea eona ea phetoho ea 'mala e be menyenyane le e hlakileng ho e bona. Mohlala, sesupo se entsoeng ka ho kopanya tharollo ea ethanol ea 0.1% ea reagent ena le tharollo ea ethanol ea 0.1% ea phenolphthalein ha e na 'mala tharollong ea asiti, e pherese tharollong ea alkaline, 'me e phahame ho pH 9.9 (ntlha ea phetoho ea 'mala), e leng ntho e bonolo haholo ho e bona.

    Sephutheloana

    Lihlahisoa li phuthetsoe ka mokotleng, 25kg/moropa

    Sephutheloana sa asiti ea Malonic

    Thymolphthalein CAS 125-20-2

    Sephutheloana sa AMYLOPECTIN

    Thymolphthalein CAS 125-20-2


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