Alizarin Blue Black B
Alizarin Blue Black B (CAS: 1324-21-6) is a synthetic organic compound with the chemical formula C26H16N2Na2O9S2 and a molecular weight of 610.52 g/mol. This complex dye, identified by Colour Index Number 63615, is primarily recognised for its applications as a stain in various biological and histological procedures. Its specific spectral absorption maximum is observed at 548 nm.
- IUPAC
- Mordant Black 13

Histological Staining
Alizarin Blue Black B is employed as a stain in histology for the differential staining of cellular components. It aids in visualising tissue structures under microscopic examination, supporting diagnostic and research purposes.
Cell Biology Research
In cell biology, this dye is utilised for staining specific cellular elements, contributing to the study of cellular morphology and function. Its use is critical for identifying and differentiating various cellular components.
Hematology Applications
This compound serves as a vital stain in hematology, assisting in the examination of blood cells. It helps in differentiating various blood cell types and identifying abnormalities.
| Molecular weight | 610.52 |
|---|---|
| Empirical formula | C26H16N2Na2O9S2 |
| 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 | 63615 |
|---|---|
| Absorption | λmax 548 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 Alizarin Blue Black B used for?
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Alizarin Blue Black B (CAS: 1324-21-6) is primarily used as a stain in cell biology, hematology, and histology for differential staining of cellular components and tissues.
What are the CAS number and formula for Alizarin Blue Black B?
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The CAS number for Alizarin Blue Black B is 1324-21-6, and its empirical formula is C26H16N2Na2O9S2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Alizarin Blue Black B. Please refer to the product specifications for lot-specific purity details. We do not represent this product as meeting USP, BP, or EP pharmacopoeia standards.
What are the safety and handling precautions for Alizarin Blue Black B?
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Alizarin Blue Black B requires appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended. It is classified under WGK Germany 3.
How is Alizarin Blue Black B packed, shipped, and exported?
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Tech Serve Solutions ensures that Alizarin Blue Black B is carefully packed for secure transit. We are experienced in exporting fine chemicals globally to meet research and industrial requirements.
How can I request a sample or a quote for Alizarin Blue Black B?
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To request a sample or obtain a quote for Alizarin Blue Black B, please contact our sales department through the website or by phone.
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