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| Product Name | Phenolphthalein solution 1% (Reag. USP, Ph. Eur.) |
| Concentration | 1% |
| Grade | Reagent grade |
| Standards | Conforms to USP and Ph. Eur. standards |
| Appearance | Colorless to faint pink solution |
| Solubility | Soluble in alcohol and ether |
| PH Range | 8.3 - 10.0 |
| CAS Number | 77-09-8 |
| Molecular Formula | C20H14O4 |
| Molecular Weight | 318.33 g/mol |
| Storage | Store in a cool, dry place away from light |
| Shelf Life | 2 years |
FAQ
What is Phenolphthalein solution 1% (Reag. USP, Ph. Eur.) used for in volumetric
analysis?
Phenolphthalein solution 1% is commonly used as a pH indicator in volumetric analysis. It is used to determine the endpoint of an acid-base titration, where it changes color from colorless to pink at a pH of around 8.2 to 10.0.
How do I use Phenolphthalein solution 1% for volumetric analysis?
To use Phenolphthalein solution 1% for volumetric analysis, simply add a few drops of the solution to the titration flask containing the analyte solution and titrant. The solution will change color at the endpoint of the titration, indicating that the reaction is complete.
Is Phenolphthalein solution 1% suitable for use in pharmaceutical and food industries?
Yes, Phenolphthalein solution 1% is commonly used in the pharmaceutical and food industries for various analytical applications. It is approved for use in these industries and complies with the United States Pharmacopeia (USP) and European Pharmacopoeia (Ph. Eur.) standards.
What are the precautions I should take when handling Phenolphthalein solution 1%?
When handling Phenolphthalein solution 1%, it is important to wear appropriate personal protective equipment, such as gloves and goggles, to avoid skin and eye contact. It is also important to store the solution in a cool, dry place away from direct sunlight to prevent degradation.
How should I store Phenolphthalein solution 1% to ensure its stability?
Phenolphthalein solution 1% should be stored in a tightly closed container at room temperature (15-30°C). It should be protected from light and moisture to ensure its stability and efficacy for volumetric analysis applications.
Phenolphthalein solution 1% is commonly used as a pH indicator in volumetric analysis. It is used to determine the endpoint of an acid-base titration, where it changes color from colorless to pink at a pH of around 8.2 to 10.0.
How do I use Phenolphthalein solution 1% for volumetric analysis?
To use Phenolphthalein solution 1% for volumetric analysis, simply add a few drops of the solution to the titration flask containing the analyte solution and titrant. The solution will change color at the endpoint of the titration, indicating that the reaction is complete.
Is Phenolphthalein solution 1% suitable for use in pharmaceutical and food industries?
Yes, Phenolphthalein solution 1% is commonly used in the pharmaceutical and food industries for various analytical applications. It is approved for use in these industries and complies with the United States Pharmacopeia (USP) and European Pharmacopoeia (Ph. Eur.) standards.
What are the precautions I should take when handling Phenolphthalein solution 1%?
When handling Phenolphthalein solution 1%, it is important to wear appropriate personal protective equipment, such as gloves and goggles, to avoid skin and eye contact. It is also important to store the solution in a cool, dry place away from direct sunlight to prevent degradation.
How should I store Phenolphthalein solution 1% to ensure its stability?
Phenolphthalein solution 1% should be stored in a tightly closed container at room temperature (15-30°C). It should be protected from light and moisture to ensure its stability and efficacy for volumetric analysis applications.
