Phenolphthalein, indicator ACS, Reag. Ph Eur

SKU:
1072330025
  • $62.60

    • Description

    Phenolphthalein, indicator ACS,Reag. Ph Eur

    Synonym(s):
    Phenolphthalein
    Empirical Formula (Hill Notation):
    C20H14O4
    CAS Number:
    77-09-8
    Molecular Weight:
    318.32
    MDL number:
    MFCD00005913
    EC Index Number:
    201-004-7

    PROPERTIES

    grade

    ACS reagent

    Quality Level

    200

    Agency

    reag. Ph. Eur.

    vapor pressure

    <0.00001 Pa ( 50 °C)

    form

    solid

    loss

    ≤1% loss on drying, 105°C

    color

    white to yellow-white

    visual transition interval

    8.2-9.8, colorless to red-violet

    mp

    263.7 °C

    density

    1.296 g/cm3 at 20 °C

    bulk density

    350‑450 kg/m3

    λmax

    551-554 nm (buffer pH 9.8)

    storage temp.

    2-30°C

    InChI

    1S/C20H14O4/c21-15-9-5-13(6-10-15)20(14-7-11-16(22)12-8-14)18-4-2-1-3-17(18)19(23)24-20/h1-12,21-22H

    InChI key

    KJFMBFZCATUALV-UHFFFAOYSA-N

    Analysis Note

    Identity (UV/VIS-Spectrum): passes test
    Appearance: White to yellowish white powder
    Clarity of the alkoholic solution (10 g/l ethanol): passes test
    Absorption maximum λmax. (buffer pH 9.8): 551 - 554 nm
    Spec. Absorptivity A 1%/1cm (λmax; 0.01 g/l; buffer pH 9.8; calculated on dried substance): 700 - 750
    Transition range: pH 8.2 - pH 9.8 almost colorless - red-violet
    Transition range (according to ACS): passes test
    Transition interval (according Reag. Ph Eur): passes test
    Loss on drying (105 °C): ≤ 1 %

    SAFETY INFORMATION

    Pictograms

    GHS07,GHS08

    Signal Word

    Danger

    Hazard Statements

    H315 - H341 - H350 - H361f

    Precautionary Statements

    P202 - P264 - P280 - P302 + P352 - P308 + P313 - P332 + P313

    Hazard Classifications

    Carc. 1B - Muta. 2 - Repr. 2 - Skin Irrit. 2

    Storage Class Code

    6.1C - Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

    WGK

    WGK 3

    Flash Point(F)

    Not applicable

    Flash Point(C)

    Not applicable