


| Catalogue | Size | Price | Quantity | |
|---|---|---|---|---|
| S10069-5g | 5g | $59.62 | ||
| S10069-25g | 25g | $129.62 |
Eosin Y Free Acid CAS: 15086-94-9 | MF: C20H8Br4O5 | MW: 647.89, Buy Histological Stains & Dyes for Histology, Cytology, Microbiology, Hematology & Biology Lab from TriStains at Dawnscientific.
Eosin Y dye without any additional salts or counterions is known as Eosin Y Free Acid. This 2,4, 5, 7- tetrabromofluorescein or Eosin yellowish is a bright, reddish- orange dye that is widely used in numerous applications. Eosin Y Free Acid has a chemical formula C20H8Br4O5 and is a pure and versatile form of the Eosin Y dye, which is useful to researchers, manufacturers, and professionals in various disciplines, including histology, biology, textiles, and printing. Eosin Y Free Acid is a highly diverse and widely used biological stain in histology, cytology, and microscopy, and can be used in a variety of scientific and industrial applications.
Applications of Eosin Y Free Acid
Key Features of Eosin Y Free Acid
High Purity & Quality
Hardly any salts or counterions, so that the staining is precise.Versatile & Compatible
The best in histology, cytology, and microscopy, as well as in industry.Consistent and repeatable Findings.
Regular testing in standard and state-of-the-art staining.Cost-Effective & Stable
High-quality dye at affordable rates, and extended color life.General Description
Eosin Y Free Acid is the purest, water-soluble form of the popular Eosin Y dye, which is chemically denoted as 2,4,5,7-Tetrabromofluorescein. Its chemical formula is C20H8Br4O5, and it is in the form of a bright reddish-orange crystalline powder. It is commonly used as a counterstain in histology and cytology, increasing the staining of cellular components in combination with a primary stain, e.g., hematoxylin. The dye is also useful in fluorescence microscopy, protein labeling, and analytical laboratory research, and gives reproducible results and high reliability. It also has applications in the industrial fields, including textile and printing, and is a multitasked reagent in both research and production.
Need to know where to buy Eosin Y Free Acid in the USA? Dawn Scientific provides high-quality TriStains histological stains that are relied on by laboratories all over the world. This reagent comes in various packages depending on the size of the research laboratory and the high-level production of the industrial process. Eosin Y Free Acid price will vary according to packaging size, quantity ordered, and universities, research institutions, and industries are offered bulk discounts. To have a quote and secure supply of Eosin Y Free Acid to achieve accurate, reproducible, and cost-effective staining results across all of your applications, contact Dawn Scientific today.
About Brand
“TriStains”, Histological Stains/ Biological Stains that offer range of stains used in Histology, Cytology, Microbiology and Hematology laboratories.
TriStains meet the highest quality standards and give excellent color performance of desired components of cells and tissue in life science laboratories.TriStains series products are carefully tested to ensure accurate, reliable, and reproducible results. Our products are available in different packaging sizes to allow you to get all types of stains & Indicators for your specific purposes from a single source.
Why Dawn Scientific?
In addition to our specialty product lines, Dawn Scientific offers a comprehensive range of laboratory supplies and scientific products, including laboratory chemicals, reagents, analytical standards, solutions, buffers, biological stains, indicators, laboratory equipment, instruments, consumables, and much more.
For complete product information, technical resources, and our full catalog, please browse other categories on our website dawnscientific.com.
If you have any questions or would like assistance selecting the right products for your application, our knowledgeable team is ready to help. Contact us at 1-800-DAWN-SCI (1-800-329-6724) or email sales@dawnscientific.com. We look forward to serving your laboratory and research needs.

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