Back
| Name | Phenolphthalein solution 1% (Reag. USP, Ph. Eur.) |
| Concentration | 1% |
| Grade | Reagent grade |
| Purity | Meets USP and Ph. Eur. standards |
| Color | Colorless to pink |
| Form | Liquid solution |
| Solubility | Soluble in alcohol, ether, and solutions of alkali hydroxides |
| Storage | Store in a cool, dry place away from light |
| Applications | Used in acid-base titrations as an acid-base indicator |
| Packaging | Comes in amber glass bottles |
| Shelf Life | 2 years |
| Cas Number | 77-09-8 |
| Molecular Formula | C20H14O4 |
| Molecular Weight | 318.33 g/mol |
| Boiling Point | 536.1°F (280.1°C) |
| Flash Point | Not applicable |
| Density | 1.279 g/cm3 |
| Melting Point | 313°F (156°C) |
FAQ
What is Phenolphthalein solution 1% (Reag. USP, Ph. Eur.) used for in volumetric
analysis?
Phenolphthalein solution 1% (Reag. USP, Ph. Eur.) is commonly used as an indicator in acid-base titrations. It changes color in solutions that are basic, making it easy to determine the endpoint of the titration.
How should Phenolphthalein solution 1% (Reag. USP, Ph. Eur.) be stored?
Phenolphthalein solution 1% (Reag. USP, Ph. Eur.) should be stored in a cool, dark place away from direct sunlight. It is important to keep the container tightly closed when not in use to prevent evaporation and contamination.
Is Phenolphthalein solution 1% (Reag. USP, Ph. Eur.) compatible with all types of titrations?
Phenolphthalein solution 1% (Reag. USP, Ph. Eur.) is primarily used in acid-base titrations where the endpoint is when the solution turns pink. It may not be suitable for other types of titrations where a different indicator is necessary.
What is the concentration of Phenolphthalein solution 1% (Reag. USP, Ph. Eur.) and how is it prepared?
Phenolphthalein solution 1% (Reag. USP, Ph. Eur.) has a concentration of 1% w/v, which means there is 1g of phenolphthalein dissolved in 100mL of solvent. It is prepared by dissolving phenolphthalein in a suitable solvent, typically alcohol or water.
Are there any safety considerations when using Phenolphthalein solution 1% (Reag. USP, Ph. Eur.)?
Phenolphthalein solution 1% (Reag. USP, Ph. Eur.) should be handled with care as it can cause skin and eye irritation. It is important to wear appropriate personal protective equipment, such as gloves and safety goggles, when working with this reagent.
Phenolphthalein solution 1% (Reag. USP, Ph. Eur.) is commonly used as an indicator in acid-base titrations. It changes color in solutions that are basic, making it easy to determine the endpoint of the titration.
How should Phenolphthalein solution 1% (Reag. USP, Ph. Eur.) be stored?
Phenolphthalein solution 1% (Reag. USP, Ph. Eur.) should be stored in a cool, dark place away from direct sunlight. It is important to keep the container tightly closed when not in use to prevent evaporation and contamination.
Is Phenolphthalein solution 1% (Reag. USP, Ph. Eur.) compatible with all types of titrations?
Phenolphthalein solution 1% (Reag. USP, Ph. Eur.) is primarily used in acid-base titrations where the endpoint is when the solution turns pink. It may not be suitable for other types of titrations where a different indicator is necessary.
What is the concentration of Phenolphthalein solution 1% (Reag. USP, Ph. Eur.) and how is it prepared?
Phenolphthalein solution 1% (Reag. USP, Ph. Eur.) has a concentration of 1% w/v, which means there is 1g of phenolphthalein dissolved in 100mL of solvent. It is prepared by dissolving phenolphthalein in a suitable solvent, typically alcohol or water.
Are there any safety considerations when using Phenolphthalein solution 1% (Reag. USP, Ph. Eur.)?
Phenolphthalein solution 1% (Reag. USP, Ph. Eur.) should be handled with care as it can cause skin and eye irritation. It is important to wear appropriate personal protective equipment, such as gloves and safety goggles, when working with this reagent.
