Ethyl eosin
Ethyl eosin (CAS 6359-05-3), with the molecular formula C22H11Br4KO5 and a molecular weight of 714.03 g/mol, is a certified stain and dye primarily utilised in cell biology, hematology, and histology. As a potassium salt of tetrabromoeosin ethyl ester, it exhibits a characteristic absorption spectrum with a λmax at 532 nm. This high-purity dye, certified by the Biological Stain Commission, is essential for various staining procedures in microscopy and diagnostic applications.
- IUPAC
- 2′,4′,5′,7′-Tetrabromoeosin ethyl ester potassium salt,Eosin alcohol soluble,Solvent Red 45
- Synonyms
- 2′,4′,5′,7′-Tetrabromoeosin ethyl ester potassium saltEosin alcohol solubleSolvent Red 45
Histological Staining
Ethyl eosin is a critical component in staining techniques used in histology to visualise cellular structures. Its specific staining properties aid in differentiating tissues and cellular components under microscopic examination.
Hematological Staining
In hematology, this certified stain is employed for the differential staining of blood cells. It facilitates the identification and classification of various blood components for diagnostic purposes.
Cell Biology Research
Used in cell biology, Ethyl eosin serves as a vital reagent for staining cells and tissues. Its application helps in identifying specific cellular features and in research requiring microscopic analysis.
Dye for Microscopy
With its defined absorption maximum at 532 nm, Ethyl eosin functions as an effective dye for a range of microscopy applications, enabling clearer visualisation of biological samples.
| Molecular weight | 714.03 |
|---|---|
| Empirical formula | C22H11Br4KO5 |
| Grade | certified by the Biological Stain Commission |
| Composition | Dye content, 95% |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Colour Index Number | 45386 |
|---|---|
| Absorption | λmax 532 nm |
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Ethyl eosin used for?
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Ethyl eosin is primarily used in histological and hematological staining for microscopic examination, and in general cell biology research. It is a certified stain with specific applications in visualising cellular structures.
What are the CAS number and formula for Ethyl eosin?
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The CAS number for Ethyl eosin is 6359-05-3, and its empirical formula is C22H11Br4KO5.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Ethyl eosin certified by the Biological Stain Commission with a dye content of 95%. It is not supplied as USP, BP, or EP grade unless explicitly stated.
What are the safety and handling considerations for Ethyl eosin?
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Handling Ethyl eosin requires appropriate personal protective equipment, including eyeshields and gloves. A respirator filter such as type N95 (US) or type P1 (EN143) is recommended. It is classified under WGK Germany 3, indicating a hazard to water.
How is Ethyl eosin packed and shipped?
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Tech Serve Solutions exports and supplies Ethyl eosin according to international shipping regulations for chemicals. Specific packaging details can be provided upon request.
How can I request a sample or quote for Ethyl eosin?
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To request a sample or a quote for Ethyl eosin, please contact the Tech Serve Solutions sales team through our website or direct contact information provided.
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