Discover the new Chem-Impex: Where innovation starts with a bond.

Catalog Number:
30115
CAS Number:
77-09-8
Phenolphthalein
Grade:
ACS reagent
Synonym(s):
3,3-Bis(4-hydroxyphenyl)-1(3H-isobenzofuranone, 3,3-Bis(p-hydroxyphenyl)phthalide
Documents
$22.03 /100G
Pack Size Availability Price
Request Bulk Quote
Product Information

Phenolphthalein is a versatile organic compound widely recognized for its applications in various fields, particularly in chemistry and medicine. As a pH indicator, it transitions from colorless in acidic solutions to pink in alkaline environments, making it an essential tool in titrations and laboratory experiments. Its unique properties allow researchers to easily determine the acidity or alkalinity of a solution, facilitating accurate measurements in both educational and industrial settings. Additionally, phenolphthalein is utilized in the formulation of laxatives and as a reagent in the synthesis of various organic compounds, showcasing its relevance in pharmaceuticals and chemical manufacturing.

Moreover, phenolphthalein's stability and effectiveness as a colorimetric indicator make it a preferred choice over other indicators in many applications. Its ability to provide clear visual cues in titrations enhances the precision of analytical procedures, while its role in medicinal formulations highlights its importance in healthcare. With its broad range of applications, phenolphthalein continues to be a valuable compound for researchers and industry professionals alike, offering reliable performance and versatility across multiple sectors.

Synonyms
3,3-Bis(4-hydroxyphenyl)-1(3H-isobenzofuranone, 3,3-Bis(p-hydroxyphenyl)phthalide
CAS Number
77-09-8
Grade
ACS reagent
Molecular Formula
C20H14O4
Molecular Weight
318.33
MDL Number
MFCD00005913
PubChem ID
4764
Melting Point
258-262 °C
Density
1.3
Appearance
White or yellowish-white solid
Conditions
Store at RT
General Information
Synonyms
3,3-Bis(4-hydroxyphenyl)-1(3H-isobenzofuranone, 3,3-Bis(p-hydroxyphenyl)phthalide
CAS Number
77-09-8
Grade
ACS reagent
Molecular Formula
C20H14O4
Molecular Weight
318.33
MDL Number
MFCD00005913
PubChem ID
4764
Melting Point
258-262 °C
Density
1.3
Appearance
White or yellowish-white solid
Conditions
Store at RT
Properties
Additional property information coming soon!
-
Safety and Regulations
Hazmat
No
Antibiotic
No
DEA-regulated
No
Warnings
-
Applications

Phenolphthalein 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 invaluable in chemistry labs for determining the acidity or alkalinity of solutions.
  • Pharmaceuticals: Employed in the formulation of laxatives, it acts as a stimulant for bowel movements, providing a practical solution for digestive health.
  • Biochemical Research: Used in various assays to detect the presence of certain compounds, aiding researchers in identifying and quantifying substances in biological samples.
  • Cosmetics: Incorporated in some cosmetic formulations, it helps in stabilizing products and enhancing their appearance, appealing to manufacturers aiming for quality and effectiveness.
  • Educational Demonstrations: Often featured in classroom experiments, it helps students visualize chemical reactions and understand concepts of acidity and basicity, enhancing the learning experience.

Citations