Overview

  • Product name
    Thymolphthalein
  • Description
    Acid-base pH indicator (colorless-blue).
  • Alternative names
    • 3,3-Bis[4-hydroxy-2-methyl-5-(1-methylethyl)phenyl]-1(3H)-isobenzofuranone
  • Biological description

    Acid-base pH indicator. The transition range is around pH 9.3–10.5. Below this pH, it is colorless; above, it is blue. Acidic form retains hydrogen on each hydroxyl group.

Properties

  • Chemical name
    3,3-Bis[4-hydroxy-2-methyl-5-(1-methylethyl)phenyl]-1(3H)-isobenzofuranone
  • Molecular weight
    430.50
  • Chemical structure
    Chemical Structure
  • Molecular formula
    C28H30O4
  • CAS Number
    125-20-2
  • Storage instructions
    Store at Room Temperature. Store under desiccating conditions. The product can be stored for up to 12 months.
  • Handling

    Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20°C. Generally, these will be useable for up to one month. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour.

    Need more advice on solubility, usage and handling? Please visit our frequently asked questions (FAQ) page for more details.

  • Source

    Synthetic

References

ab146207 has not yet been referenced specifically in any publications.

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Please note: All products are "FOR RESEARCH USE ONLY AND ARE NOT INTENDED FOR DIAGNOSTIC OR THERAPEUTIC USE, NOT FOR USE IN HUMANS"

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