Chromeazurol B
Chromeazurol B (CAS: 1796-92-5; Formula: C23H14Cl2Na2O6) is a complex organic compound with a molecular weight of 503.24 g/mol. It functions primarily as a dye and indicator, often utilised in analytical chemistry and various biological staining techniques. As a supplier of fine chemicals, TSS provides Chromeazurol B for research and laboratory applications, adhering to strict quality standards for reliable performance in scientific endeavours.
- IUPAC
- Chrome Azurol B,Eriochrome® Azurol B,Mordant blue 1
- Synonyms
- Chrome Azurol BEriochrome Azurol BMordant blue 1

Dye and Indicator
Chromeazurol B serves as a valuable dye and indicator in various chemical analyses. Its distinct colour properties are leveraged for visual detection and quantification in laboratory settings.
Biological Staining
This compound is employed in histology and cell biology for staining purposes. It aids in the differential visualisation of cellular structures and tissues under microscopy.
Analytical Reagent
In analytical chemistry, Chromeazurol B can be used as a reagent for specific detection methods. Its application is suited for research and development laboratories requiring precise reagents.
| Molecular weight | 503.24 |
|---|---|
| Empirical formula | C23H14Cl2Na2O6 |
| 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 | 43830 |
|---|
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 Chromeazurol B used for?
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Chromeazurol B is primarily used as a dye and indicator in chemical analyses, and for staining purposes in histology and cell biology.
What are the CAS number and formula for Chromeazurol B?
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The CAS number for Chromeazurol B is 1796-92-5, and its molecular formula is C23H14Cl2Na2O6.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Chromeazurol B primarily for research and laboratory use. The specific grade and purity available are detailed on the product's specification sheet; TSS does not represent this product as USP, BP, or EP grade.
How should Chromeazurol B be handled safely?
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When handling Chromeazurol B, it is essential to wear safety measures including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter should be used. The compound has a WGK Germany classification of 3, indicating it is hazardous to water.
Is Chromeazurol B available for export?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including Chromeazurol B. We handle international shipping and export procedures.
How can I request a sample or quote for Chromeazurol B?
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To request a sample or a quote for Chromeazurol B, please contact our sales department through the website or by direct inquiry, providing your specific requirements.
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