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Catalog Number:
38578
CAS Number:
3618-58-4
Eriochrome black A
Grade:
CI 15710
Synonym(s):
Chrome black A
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Product Information

Eriochrome black A is a versatile chemical compound widely recognized for its application as a complexometric indicator in titrations, particularly in the determination of metal ions such as calcium and magnesium. This compound exhibits a vibrant color change, making it an essential tool for researchers and industry professionals in analytical chemistry and water quality testing. Its ability to form stable complexes with various metal ions allows for precise measurements, enhancing the accuracy of analytical results.

In addition to its role in titrations, Eriochrome black A is utilized in various fields, including environmental monitoring and pharmaceuticals, where it aids in assessing metal contamination in water sources and contributes to the development of metal ion sensors. Its unique properties, such as high solubility and stability in aqueous solutions, make it a preferred choice over similar indicators, ensuring reliable performance in diverse applications. With its proven track record in analytical chemistry, Eriochrome black A continues to be an invaluable resource for professionals seeking accurate and efficient metal ion detection.

Synonyms
Chrome black A
CAS Number
3618-58-4
Grade
CI 15710
Molecular Formula
C20H12N3NaO7S
Molecular Weight
461.38
MDL Number
MFCD00054390
PubChem ID
135484001
Appearance
Red to dark blue to black powder to crystal
Conditions
Store at RT
General Information
Synonyms
Chrome black A
CAS Number
3618-58-4
Grade
CI 15710
Molecular Formula
C20H12N3NaO7S
Molecular Weight
461.38
MDL Number
MFCD00054390
PubChem ID
135484001
Appearance
Red to dark blue to black powder to crystal
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

Eriochrome black A is widely utilized in research focused on:

  • Analytical Chemistry: This compound serves as a colorimetric indicator in complexometric titrations, particularly for determining metal ions like calcium and magnesium in water samples.
  • Environmental Monitoring: It is used to assess water quality by detecting the presence of heavy metals, helping industries comply with environmental regulations.
  • Biochemistry: Eriochrome black A is employed in various biochemical assays to study metal ion interactions with biological molecules, providing insights into enzyme activities and metabolic pathways.
  • Textile Industry: This dye is utilized for coloring fabrics, offering vibrant hues and excellent stability, making it a preferred choice for high-quality textile applications.
  • Pharmaceuticals: It finds application in the formulation of certain drugs, acting as a pH indicator and stabilizer, which enhances the efficacy and shelf-life of pharmaceutical products.

Citations