Eriochrome Black T ACS CAS: 1787-61-7 | MF: C20H12N3NaO7S | MW: 416.38, Buy now for reliable and reproducible results from Tristains.
Eriochrome Black T ACS (CAS No. 1787-61-7), commonly known as Mordant Black 11, is a metal-complexing azo dye available as a dark blue to black crystalline powder. With a molecular formula of C20H12N3NaO7S and a molecular weight of 416.38, this dye exhibits excellent solubility in water and alcohol while remaining insoluble in most organic solvents. Eriochrome Black T is extensively utilized as an indicator in EDTA complexometric titration methods, particularly for determining water hardness. The ACS grade certification confirms that this product meets the rigorous analytical standards established by the American Chemical Society, ensuring high purity, accuracy, and consistency. Its superior quality makes it suitable for analytical chemistry, laboratory testing, titration analysis, and selected textile applications.
Applications
- Water Hardness Determination: Eriochrome Black T ACS is a commonly used indicator in EDTA-based titrations for determining water hardness by monitoring calcium, magnesium and other metal ions in industrial and environmental waters.
- Titration of Metal Ions: The dye is an important indicator for metal ion titration, especially calcium and magnesium, ensuring accurate and reproducible laboratory results.
- Spectrophotometry and Colorimetric Analysis: Uses Eriochrome Black T ACS is used for spectrophotometric and colorimetric measurements of the concentration of metal ions with good precision and accuracy.
- Textiles and Analytical Industry: The dyestuff is used in the textile processing and analytical laboratories, where precise determination of metal ions and analysis for water quality is required.
- Histological Staining: In histology and cytology, Eriochrome Black T ACS is sometimes utilized in selective staining of tissue sections to make distinctions among the different elements under a microscope.
Key features
- ACS Certified Quality: Ensures high purity and compliance with analytical reagent standards.
- Consistent Performance: Delivers reliable and repeatable results across analytical procedures.
- Improved Analytical Accuracy: Enhances precision in metal ion detection and water hardness measurement.
- Versatile Usage: Ideal for research laboratories, industrial analysis, and environmental monitoring.
General Description
Eriochrome Black T ACS (CAS 1787-61-7), a highly specific complexometric indicator dye for exact conditions in analytical chemistry. Best for labs of histology, cytology, microbiology and hematology; research laboratory applications. It is an ACS-grade reagent, suitable for use in many laboratory applications.
High-quality Eriochrome Black T ACS, Guaranteeing analytical grade purity, TriStain provides this product to meet the demands of laboratories for consumables. Complete product specifications, technical data and purchasing information can be obtained online to enhance the research and production applications. For bulk orders and pricing information on Eriochrome Black T ACS (CAS No. 1787-61-7), please contact TriStains directly to discuss your purchase quantity and any specific delivery requirements that you may have for this product.
About Brand
TriStains provides a marketplace for histology and biological stains, which is comprehensive enough to encompass the peculiar requirements of laboratories specializing in Histology, Cytology, Microbiology, and Hematology. With a reputation for exceeding quality expectations, TriStains performance is outstanding which allows for resolution of cell and tissue components fundamental to life sciences to be clearly visualized. Each product under TriStains series is validated for accuracy, reliability and consistency. TriStains, which manufactures and markets stains and indicators in various packing, offers laboratories turn key solutions for all their staining and indicator needs, improving accuracy in every experiment.

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