Remazol Brilliant Blue R
Remazol Brilliant Blue R (CAS 2580-78-1), with the empirical formula C22H16N2Na2O11S3 and a molecular weight of 626.54 g/mol, is a synthetic dye. It is widely recognised by its Colour Index number 61200. This reactive dye is primarily utilised as a stain in biological and histological applications for cell and tissue differentiation. Its specific chemical structure allows it to form covalent bonds with substrates, ensuring permanent staining.
- IUPAC
- Reactive Blue 19

Histological Staining
Remazol Brilliant Blue R is employed in histology for the differential staining of tissues. Its ability to bind covalently to cellular components allows for clear visualisation of structures in microscopic analysis.
Cell Biology Research
In cell biology, this dye serves as a vital staining agent. It aids researchers in identifying and analysing cellular components, contributing to a better understanding of cell structure and function.
Dyeing Applications
As a reactive dye, Remazol Brilliant Blue R can be used in various dyeing processes where permanent colouration of substrates is required, owing to its robust chemical bonding capabilities.
| Molecular weight | 626.54 |
|---|---|
| Empirical formula | C22H16N2Na2O11S3 |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 1 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Colour Index Number | 61200 |
|---|
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 Remazol Brilliant Blue R used for?
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Remazol Brilliant Blue R is used for histological and cell biology staining, providing differential visualisation of tissues and cellular components. It is also utilised in general dyeing applications due to its reactive nature.
What is the CAS number and chemical formula for Remazol Brilliant Blue R?
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The CAS number for Remazol Brilliant Blue R is 2580-78-1, and its empirical formula is C22H16N2Na2O11S3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Remazol Brilliant Blue R typically as a technical or research grade. We do not represent this product as meeting USP, BP, or EP pharmacopoeia standards unless explicitly stated in the product's specification sheet. Please refer to the certificate of analysis for specific purity details.
How should Remazol Brilliant Blue R be handled safely?
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Handle Remazol Brilliant Blue R with appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended. Ensure good ventilation and avoid dust formation. Refer to the Safety Data Sheet for comprehensive handling instructions.
Is Remazol Brilliant Blue R a controlled substance?
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Based on the provided data, Remazol Brilliant Blue R is not indicated as a controlled substance. However, users should always comply with local regulations regarding chemical handling and usage.
How is Remazol Brilliant Blue R packed, shipped, and exported?
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Remazol Brilliant Blue R is carefully packed to ensure stability during transit. Tech Serve Solutions has extensive experience in exporting chemicals globally, adhering to all necessary international shipping and customs regulations.
How can I request a sample or a quote for Remazol Brilliant Blue R?
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To request a sample or a quote for Remazol Brilliant Blue R, please contact our sales department through the website or by calling our direct line. Our team will promptly assist you with your inquiry.
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