Acid Yellow 25
Acid Yellow 25 (CAS 6359-85-9), a synthetic organic compound with the molecular formula C23H20N5NaO6S2, is a vital stain and dye used extensively in biological and histological applications. Its distinct spectral properties, with absorption maximum at 392 nm, facilitate clear visualisation in various laboratory procedures. Tech Serve Solutions supplies this chemical for research and diagnostic purposes, ensuring quality for scientific endeavours.

Cell Biology Staining
Acid Yellow 25 serves as a crucial stain in cell biology research, aiding in the visualisation and differentiation of cellular structures. Its application helps researchers identify and study various components within cells.
Histological Dye
In histology, this dye is employed for staining tissue sections. It assists in the examination of cellular morphology and tissue architecture under microscopy, supporting diagnostic and research efforts.
Hematological Staining
Acid Yellow 25 finds utility in hematology for staining blood cells and related tissues. This facilitates the identification and analysis of different blood components in laboratory settings.
| Molecular weight | 549.55 |
|---|---|
| Empirical formula | C23H20N5NaO6S2 |
| Colour Index Number | 18835 |
|---|---|
| Absorption | λmax 392 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 Acid Yellow 25 used for?
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Acid Yellow 25 is primarily used as a stain and dye in cell biology, hematology, and histology for visualising cellular and tissue structures under microscopy.
What are the CAS number and chemical formula for Acid Yellow 25?
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The CAS number for Acid Yellow 25 is 6359-85-9, and its empirical formula is C23H20N5NaO6S2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Acid Yellow 25 as a technical or research grade chemical. We do not represent it as USP, BP, or EP grade.
What are the safety considerations for handling Acid Yellow 25?
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Acid Yellow 25 is classified under GHS with hazard statements indicating potential irritation or other hazards. Handle with appropriate personal protective equipment in a well-ventilated area, following safety data sheet guidelines.
How is Acid Yellow 25 packed and shipped?
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Acid Yellow 25 is carefully packed to ensure stability during transit and is available for domestic and international export by Tech Serve Solutions.
How can I request a sample or quote for Acid Yellow 25?
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To request a sample or a quote for Acid Yellow 25, please contact our sales team through the provided channels on the Tech Serve Solutions website.
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