Brilliant Blue R
Brilliant Blue R (CAS 6104-59-2, C45H44N3NaO7S2) is a high-quality laboratory reagent with a molecular weight of 825.97. This vibrant stain is primarily recognised for its utility in biological and histological applications. It is particularly effective for the sensitive detection and visualisation of protein bands following electrophoresis, making it an essential tool in molecular biology research and diagnostics.
- IUPAC
- Acid Blue 83,Brilliant indocyanin 6B,Coomassie Brilliant Blue R
- Synonyms
- Acid Blue 83Brilliant indocyanine 6BCoomassie Brilliant Blue R

Protein Detection in Electrophoresis
Brilliant Blue R is specifically employed for the detection of protein bands separated by gel electrophoresis, such as SDS-PAGE. Its intense colour allows for clear visualisation of protein migration patterns.
Histology and Hematology
As a stain, Brilliant Blue R finds application in histological and hematological preparations. It aids in differentiating cellular structures and components for microscopic examination.
Cell Biology Research
This dye serves as a valuable reagent in cell biology studies, contributing to the visualisation and analysis of cellular components and processes.
| Molecular weight | 825.97 |
|---|---|
| Empirical formula | C45H44N3NaO7S2 |
| Solubility | H2O: soluble1 mg/mL |
| Application | For detection of protein bands following electrophoresis. |
| Suitability | suitable for SDS-PAGE |
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
- P260Do not breathe dust, fume, gas, mist, vapours or spray
- P280Wear protective gloves, clothing and eye/face protection
- P301IF SWALLOWED
- P305IF IN EYES
- P311Call a POISON CENTER or doctor
| 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 | 42660 |
|---|---|
| Absorption | λmax 586-592 nm in ethanol |
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 Brilliant Blue R used for?
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Brilliant Blue R is used for the detection of protein bands following electrophoresis, and in hematology and histology as a stain.
What is the CAS number and molecular formula for Brilliant Blue R?
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The CAS number for Brilliant Blue R is 6104-59-2, and its molecular formula is C45H44N3NaO7S2.
What grade and purity does Tech Serve Solutions supply for Brilliant Blue R?
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Tech Serve Solutions supplies Brilliant Blue R primarily for research and laboratory applications. The specific grade and purity are indicated on the product's Certificate of Analysis. TSS does not represent this product as USP, BP, EP, or any other pharmacopoeia grade unless explicitly stated.
What are the safety and handling precautions for Brilliant Blue R?
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Handle Brilliant Blue R with appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter may be necessary. Ensure adequate ventilation and avoid dust formation. Refer to the Safety Data Sheet (SDS) for comprehensive handling information and emergency procedures, noting the WGK 3 classification.
How is Brilliant Blue R packaged and shipped?
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Brilliant Blue R is carefully packaged to maintain its integrity during transit. Tech Serve Solutions exports fine chemicals globally, adhering to international shipping regulations.
How can I request a sample or quote for Brilliant Blue R?
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To request a sample or a quotation for Brilliant Blue R, please contact our sales department through the website or by phone, providing your specific requirements.
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