Thymolphthalein, Acid-base pH indicator (colorless-blue) (ab146207)
Key features and details
- Acid-base pH indicator (colorless-blue).
- CAS Number: 125-20-2
- Form / State: Solid
- Source: Synthetic
Overview
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Product name
Thymolphthalein, Acid-base pH indicator (colorless-blue) -
Description
Acid-base pH indicator (colorless-blue). -
Alternative names
- 3,3-Bis[4-hydroxy-2-methyl-5-(1-methylethyl)phenyl]-1(3H)-isobenzofuranone
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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.
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CAS Number
125-20-2 -
Chemical structure
Properties
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Chemical name
3,3-Bis[4-hydroxy-2-methyl-5-(1-methylethyl)phenyl]-1(3H)-isobenzofuranone -
Molecular weight
430.50 -
Molecular formula
C28H30O4 -
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.
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Source
Synthetic