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Catalog Number:
22827
CAS Number:
596-27-0
o-Cresolphthalein
Grade:
Indicator grade
Purity:
≥ 90% (Dye content)
Synonym(s):
3,3'-Dimethylphenolphthalein
Documents
$25.00 /5G
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Product Information

o-Cresolphthalein is a versatile chemical compound widely recognized for its application as a pH indicator in various analytical chemistry settings. This compound exhibits a distinct color change from yellow to pink as the pH transitions from acidic to alkaline, making it an invaluable tool in titrations and other laboratory procedures. Its unique structural properties allow for precise measurements, which are crucial in fields such as biochemistry and environmental science. Researchers often utilize o-Cresolphthalein in the determination of metal ions and in the assessment of water quality, where accurate pH readings are essential for compliance with safety standards.

In addition to its role in laboratory analysis, o-Cresolphthalein is also employed in the formulation of various industrial products, including dyes and pigments. Its stability and effectiveness in diverse conditions make it a preferred choice among professionals seeking reliable performance. The compound's ability to provide clear visual cues in pH changes enhances its usability in educational settings, allowing students to grasp fundamental concepts in chemistry effectively. Overall, o-Cresolphthalein stands out for its practicality and reliability, making it a staple in both research and industrial applications.

Synonyms
3,3'-Dimethylphenolphthalein
CAS Number
596-27-0
Purity
≥ 90% (Dye content)
Grade
Indicator grade
Molecular Formula
C22H18O4
Molecular Weight
346.38
MDL Number
MFCD00005912
PubChem ID
68995
Appearance
White powder
Conditions
Store at RT
General Information
Synonyms
3,3'-Dimethylphenolphthalein
CAS Number
596-27-0
Purity
≥ 90% (Dye content)
Grade
Indicator grade
Molecular Formula
C22H18O4
Molecular Weight
346.38
MDL Number
MFCD00005912
PubChem ID
68995
Appearance
White powder
Conditions
Store at RT
Properties
Additional property information coming soon!
-
Safety and Regulations
Hazmat
No
Antibiotic
No
DEA-regulated
No
Warnings
-
Applications

o-Cresolphthalein is widely utilized in research focused on:

  • pH Indicator: It serves as a reliable pH indicator in titrations, particularly in determining the acidity or alkalinity of solutions, making it valuable in laboratories and educational settings.
  • Colorimetric Analysis: This compound is used in colorimetric assays to quantify substances in various samples, such as proteins and enzymes, enhancing accuracy in biochemical research.
  • Environmental Testing: o-Cresolphthalein is applied in environmental science for detecting and measuring phenolic compounds in water samples, aiding in pollution monitoring and regulatory compliance.
  • Pharmaceutical Development: In the pharmaceutical industry, it is utilized in the formulation of certain drugs, helping to stabilize active ingredients and improve product efficacy.
  • Educational Demonstrations: It is commonly used in educational laboratories to demonstrate acid-base reactions, providing students with a visual representation of chemical changes.

Citations