Thymolphthalein, ACS reagent, 5kg

SKU:
89360-5KG
  • $2,600.00

    • Description

    Thymolphthalein, ACS reagent, indicator (pH 8.8-10.5), 5kg

    Synonym(s):
    5′,5′′-Diisopropyl-2′,2′′-dimethylphenolphthalein
    Empirical Formula (Hill Notation):
    C28H30O4
    CAS Number:
    125-20-2
    Molecular Weight:
    430.54
    Beilstein/REAXYS Number:
    359413
    EC Number:
    204-729-7
    MDL number:
    MFCD00005909
    UNSPSC Code:
    12000000
    PubChem Substance ID:
    329769727
    NACRES:
    NA.21

    Properties

    grade

    ACS reagent
    indicator (pH 8.8-10.5)

    Quality Level

    200

    form

    solid

    technique(s)

    UV/Vis spectroscopy: suitable
    titration: suitable

    ign. residue

    ≤1%

    mp

    248-254 °C
    251-253 °C (lit.)

    SMILES string

    CC(C)c1cc(c(C)cc1O)C2(OC(=O)c3ccccc23)c4cc(C(C)C)c(O)cc4C

    InChI

    1S/C28H30O4/c1-15(2)20-13-23(17(5)11-25(20)29)28(22-10-8-7-9-19(22)27(31)32-28)24-14-21(16(3)4)26(30)12-18(24)6/h7-16,29-30H,1-6H3

    InChI key

    LDKDGDIWEUUXSH-UHFFFAOYSA-N

    General description

    Thymolphthalien is an acid-base indicator which is colourless in acidic form and deep blue in basic form. Acidic form retains hydrogen on each hydroxyl group. It is suitable in preparing disappearing ink.

    Application

    Thymolphthalein was suitable as indicator during titration of hyamine hydroxide.