Acid Red 183
Acid Red 183 (CAS 6408-31-7), a chromium-complexed azo dye, presents as C16H11ClN4Na2O8S2 · xCr with a molecular weight of 532.84. This vibrant red dye, identified by Colour Index Number 18800, is primarily utilised as a stain in biological and histological applications, notably within cell biology and hematology. Its distinct absorption maximum at 494 nm facilitates precise visualisation in microscopic studies.

Biological Staining
Acid Red 183 serves as a vital stain in cell biology, aiding in the differentiation and visualisation of cellular structures. Its spectral properties are well-suited for microscopic examination, providing clear contrast.
Hematology and Histology
This dye is employed in hematology and histology for staining tissue samples and blood smears. It helps in identifying various cellular components and pathological changes, offering diagnostic support.
Chromium Complex Dye
As a chromium-complexed azo dye, it exhibits specific binding affinities, making it valuable for specialised staining techniques in research and diagnostics.
| Molecular weight | 532.84 |
|---|---|
| Empirical formula | C16H11ClN4Na2O8S2 · xCr |
| Colour Index Number | 18800 |
|---|---|
| Absorption | λmax 494 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 Red 183 used for?
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Acid Red 183 is primarily used as a stain in cell biology, hematology, and histology for microscopic visualisation of cellular and tissue structures.
What are the CAS number and formula for Acid Red 183?
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The CAS number for Acid Red 183 is 6408-31-7 and its empirical formula is C16H11ClN4Na2O8S2 · xCr.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Acid Red 183. The exact assay and purity are available upon request. We do not represent this product as USP, BP, or EP grade.
What are the safety and handling requirements for Acid Red 183?
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Acid Red 183 has a Water Hazard Class (WGK) of 3 in Germany. Users should consult the Safety Data Sheet (SDS) for comprehensive handling, storage, and disposal information to mitigate risks.
How is Acid Red 183 typically packed and shipped?
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Acid Red 183 is carefully packed to ensure integrity during transit and is available for global export by Tech Serve Solutions.
How can I request a sample or quote for Acid Red 183?
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To request a sample or a quote for Acid Red 183, please contact our sales team through the website or by phone.
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