Eosin Y Free Acid CAS: 15086-94-9 | MF: C20H8Br4O5 | MW: 647.89, Buy now for reliable and reproducible results from Tristains at Chemical World.
Eosin Y Free Acid is a salt-free, highly purified version of Eosin Y dye with no added counterions. It is also referred to as 2,4,5,7-Tetrabromofluorescein or Eosin yellowish and is a bright reddish-orange stain that is commonly utilized in scientific studies and industry. Having a molecular formula of C20H8Br4O5, this dye is a perfect choice in terms of versatility and reliability in the areas of histology, cytology, microscopy, biology, textile production, and printing. Eosin Y Free Acid is known to be a popular biological stain with a stable performance, both in laboratory environment and in industry.
Applications
- Widely used as a counterstain in combination with hematoxylin for highlighting cellular structures during microscopic examination.
- Suitable for multiple analytical applications, including protein labeling, fluorescence microscopy, and cellular staining techniques.
Key features
- Very pure and high quality: free of excess salts and counterions, giving specific and accurate staining results.
- Versatile & Broadly Compatible: Ideal for histology, cytology, microscopy, and diverse industrial applications.
- Reproducible and Reliable: Provides consistent staining performance with daily testing in standard laboratory conditions.
- Cost-Effective & Stable: Offers long color stability and excellent value without compromising quality.
General Description
Eosin Y Free Acid is the most pure water-soluble derivative of Eosin Y dye, which is chemically known as 2,4,5,7-Tetrabromofluorescein. It is a bright reddish-orange crystalline powder supplied with the molecular formula C20H8Br4O5. It is mostly employed as a counterstain in histology and cytology to increase cell detail when combined with primary stains, like hematoxylin. It can also be applied in fluorescence microscopy, protein labeling, and research aboratories and provides reliable and reproducible results. Also, it is adopted in industrial industry like textile and printing, thus being a highly diverse reagent in scientific and commercial applications.
Looking to find a trusted Eosin Y Free Acid supplier? Chemical World provides the highest grade of laboratory stains that are relied upon by research and industrial customers. Sold in different amounts of packaging to fit research laboratories and high-volume production requirements. Prices are competitive depending on the order quantity, whereby discounts on bulk purchases are offered to academic institutions, research organizations, and industries. Call us today to obtain pricing information and a continuous supply of Eosin Y Free Acid to achieve accurate consistent staining results.
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 the resolution of cell and tissue components fundamental to life sciences to be clearly visualized. Each product under the TriStains series is validated for accuracy, reliability, and consistency. TriStains, which manufactures and markets stains and indicators in various packaging, offers laboratories turnkey solutions for all their staining and indicator needs, improving accuracy in every experiment.
Chemical World provides the best laboratory brands that provide a constant and reliable result for any kind of experiment. Our range of high-quality laboratory brands is complete and is available in various scientific fields. ChemieR supplies high-purity chemicals to be used in reliable laboratories, cUSP supplies certified and standard solutions which can be used right away to assess accurately, and TriStains provides high-quality histological stains and indicators to be used in order to visualize accurately. LiChrom is the provider of liquid chromatography using high-grade reagents, and Bluster is the provider of high-grade solvents used in gas chromatography. EKS focuses on electronics-grade reagents that are used in advanced and sensitive analysis. These brands assure the research, analytical, and industrial laboratories with trusted quality, consistency, and performance. To get your product details, specifications, or to seek any purchasing assistance, visit our site chemicalworlds.com or email our sales team sales@chemicalworlds.com. We are happy to service your laboratory requirements with professional and fast service.
| Application | Eosin Y is a brominated fluoroscein dye derivative |
| CAS Number | 15086-94-9 |
| Molecular Weight | 647.89 |
| Molecular Formula | C20H8Br4O5 |
| Appearance : | Powder |
| Physical State : | Solid |
| Solubility : | Soluble in ethanol (10 mg/mL), spirit, and Ethylene Glycol Monomethyl Ether (Methyl-cellosolve; EGME) (40 mg/mL). Insoluble in water. |
| Boiling Point : | ~640.3,,,°C at 760 mmHg (Predicted) |
| Density : | ~2.5 g/cm3(Predicted) |
| Storage : | Store at room temperature |
| Refractive Index : | n20D1.89 (Predicted) |
| IC50 : | Aspergillus nidulans RmtA: IC50= 18M (Emericella nidulans) |
| pK Values : | pKa: 6.97 (Predicted) |
SAFETY INFORMATION
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
| WGK Germany | 3 |
| PubChem CID | 27020 |
| RTECS | LM5800000 |
| Merck Index | 14: 3603 |
| MDL Number | MFCD00036189 |
| EC Number | 239-138-3 |
| Beilstein Registry | 0063410 |
| SMILES | C1=CC=C2C(=C1)C(=O)OC23C4=CC(=C(C(=C4OC5=C(C(=C(C=C35)Br)O)Br)Br)O)Br |
Safety Data Sheets (SDS), Product Specification (PS) and Certificates of Analysis (COA) click Document Button