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Catalog Number:
42533
CAS Number:
77-09-8
Phenolphthalein solution, 0.5 wt. % in ethanol: water (1:1)
Hazmat
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$29.34 /100ML
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Product Information

Phenolphthalein solution, 0.5 wt. % in ethanol: water (1:1), is a versatile pH indicator widely utilized in various chemical and educational applications. This compound exhibits a distinct color change from colorless to pink as the pH transitions from acidic to alkaline, making it an essential tool in titrations and laboratory experiments. Its clear visibility and reliable performance allow researchers and students to accurately determine the acidity or basicity of solutions, enhancing the precision of their analyses.

In addition to its role in educational settings, phenolphthalein is also employed in the pharmaceutical industry for the formulation of laxatives and as a reagent in various chemical syntheses. Its unique properties, such as high solubility in organic solvents and stability under a range of conditions, make it a preferred choice for many applications. Whether in academic research or industrial processes, phenolphthalein solution serves as a crucial component for achieving accurate results and facilitating effective experimentation.

CAS Number
77-09-8
Molecular Formula
C20H14O4
Molecular Weight
0
MDL Number
MFCD00003892
PubChem ID
4764
Melting Point
-35 °C
Density
0.918
Appearance
Colorless liquid
Conditions
Store at RT
General Information
CAS Number
77-09-8
Molecular Formula
C20H14O4
Molecular Weight
0
MDL Number
MFCD00003892
PubChem ID
4764
Melting Point
-35 °C
Density
0.918
Appearance
Colorless liquid
Conditions
Store at RT
Properties
Additional property information coming soon!
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Safety and Regulations
Hazmat
Yes
Antibiotic
No
DEA-regulated
No
Warnings
-
Applications

Phenolphthalein solution, 0.5 wt. % in ethanol: water (1:1) is widely utilized in research focused on:

  • pH Indicator: Commonly used in titrations, it changes color from colorless to pink as the pH shifts from acidic to basic, making it an essential tool in chemistry labs.
  • Pharmaceutical Applications: Employed in the formulation of certain medications, it helps in determining the pH of solutions, which is crucial for drug stability and efficacy.
  • Educational Purposes: Frequently used in educational settings to demonstrate acid-base reactions, providing a visual representation that enhances learning for students in chemistry courses.
  • Water Quality Testing: Utilized in environmental science to test the acidity or alkalinity of water samples, aiding in the monitoring of water quality for both industrial and recreational purposes.
  • Cosmetic Formulations: In the cosmetic industry, it is used to ensure that products maintain a safe pH level, which is vital for skin compatibility and product performance.

Citations