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Catalog Number:
30172
CAS Number:
2411-89-4
Phthalein purple
Synonym(s):
o-Cresolphthalein complexone, Metalphthalein
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$29.34 /5G
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Product Information

Phthalein purple is a versatile compound widely recognized for its applications in various fields, particularly in analytical chemistry and biological research. This synthetic dye is known for its vivid purple color, making it an excellent pH indicator, especially in titrations where it transitions from colorless to purple in alkaline conditions. Its unique properties allow it to be utilized in the development of colorimetric assays, providing researchers with a reliable tool for quantifying substances in solution. Additionally, Phthalein purple is employed in the manufacturing of plastics and textiles, where its vibrant hue enhances product aesthetics and functionality.

In the pharmaceutical industry, Phthalein purple serves as a valuable marker in drug formulation and delivery systems, aiding in the visualization of drug release profiles. Its stability and solubility in various solvents further enhance its applicability in laboratory settings. Researchers and industry professionals benefit from its ease of use and the precision it offers in experimental procedures. With its broad range of applications, Phthalein purple stands out as a crucial compound for those seeking reliable and effective solutions in their work.

Synonyms
o-Cresolphthalein complexone, Metalphthalein
CAS Number
2411-89-4
Molecular Formula
C32H32N2O12
Molecular Weight
636.62
MDL Number
MFCD00005911
PubChem ID
75485
Melting Point
181-185 °C (dec)
Appearance
Light pink to tan crystalline solid
Conditions
Store at RT
General Information
Synonyms
o-Cresolphthalein complexone, Metalphthalein
CAS Number
2411-89-4
Molecular Formula
C32H32N2O12
Molecular Weight
636.62
MDL Number
MFCD00005911
PubChem ID
75485
Melting Point
181-185 °C (dec)
Appearance
Light pink to tan crystalline solid
Conditions
Store at RT
Properties
Additional property information coming soon!
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Safety and Regulations
Hazmat
No
Antibiotic
No
DEA-regulated
No
Warnings
-
Applications

Phthalein purple is widely utilized in research focused on:

  • pH Indicators: This compound serves as a reliable pH indicator in titrations and laboratory experiments, providing clear visual changes that help determine acidity or alkalinity.
  • Biological Staining: In histology and microbiology, it is used as a staining agent to visualize cellular structures, enhancing contrast in microscopy.
  • Colorimetric Analysis: Phthalein purple is employed in colorimetric assays to quantify concentrations of various substances, making it valuable in analytical chemistry.
  • Textile and Paper Dyes: The compound is utilized in the textile industry for dyeing fabrics and in the production of colored papers, offering vibrant hues that are stable and long-lasting.
  • Research in Drug Development: It is explored in pharmaceutical research for its potential applications in drug formulation and delivery systems, particularly in targeting specific biological pathways.

Citations