Direct yellow 27
Direct Yellow 27 (CAS 10190-68-8), a synthetic organic compound with the molecular formula C25H20N4Na2O9S3, is a vibrant yellow dye. Its primary applications lie in its use as a biological stain, particularly in cell biology and histology. This dye is recognised for its Colour Index Number 13950 and exhibits an absorption maximum at 393 nm, contributing to its effectiveness in various staining procedures within scientific research and diagnostics.
Biological Staining
Direct Yellow 27 is widely employed as a stain in cell biology and histology. It aids in visualising cellular structures and components under microscopic examination, contributing to research and diagnostic processes.
Hematology and Histology
Within the fields of hematology and histology, this dye serves as a valuable reagent for preparing tissue samples. Its properties allow for differential staining, enhancing the clarity of cellular morphology in prepared slides.
Dye for Research Applications
As a component within the broader category of stains and dyes, Direct Yellow 27 is utilised in various laboratory research settings. Its specific spectral properties, with an absorption maximum at 393 nm, make it suitable for targeted applications in scientific investigation.
| Molecular weight | 662.62 |
|---|---|
| Empirical formula | C25H20N4Na2O9S3 |
| Colour Index Number | 13950 |
|---|---|
| Absorption | λmax 393 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 Direct Yellow 27 used for?
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Direct Yellow 27 is primarily used as a biological stain in cell biology and histology, and for various research applications within the broader category of stains and dyes.
What are the CAS number and molecular formula for Direct Yellow 27?
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The CAS number for Direct Yellow 27 is 10190-68-8, and its molecular formula is C25H20N4Na2O9S3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Direct Yellow 27 as a technical/research grade chemical. We do not represent this product as USP, BP, EP, or for use in nutraceutical, food, or pharmaceutical applications unless explicitly stated in product-specific documentation.
What are the safety considerations for handling Direct Yellow 27?
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Direct Yellow 27 is classified with a WGK Germany rating of 3, indicating a high degree of hazard to water. Appropriate personal protective equipment should be used, and the substance should be handled with care to prevent environmental release.
How is Direct Yellow 27 packed, shipped, and exported?
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Tech Serve Solutions expertly packs, ships, and exports chemicals globally, adhering to all relevant transport regulations. Specific packaging details are available upon request.
How can I request a sample or a quote for Direct Yellow 27?
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To request a sample or a quote for Direct Yellow 27, please contact our sales team through the website or via email, providing your specific requirements.
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