Victoria Blue R
Victoria Blue R (CAS: 2185-86-6; Formula: C29H32ClN3; MW: 458.04) is a vibrant cationic dye known for its intense blue colouration. It finds primary application as a histological and cytological stain, enabling visualisation of cellular structures and tissues. Its robust staining properties make it a valuable reagent in biological research and diagnostic laboratories. Victoria Blue R is supplied by TSS for research and laboratory use.
- IUPAC
- Basic Blue 11

Histology and Cytology Staining
Victoria Blue R is a well-established stain used in histology and cytology for the differential staining of various cellular components and tissue structures. It provides clear blue visualisation, aiding in microscopic examination.
Biological Research Reagent
As a reliable laboratory reagent, Victoria Blue R is employed in diverse biological research applications requiring specific blue colouration. Its consistent performance supports reproducible experimental outcomes.
Cell Biology Applications
In cell biology, Victoria Blue R can be utilised to stain cells and observe morphological details. It is a useful tool for researchers investigating cellular structures and processes.
| Molecular weight | 458.04 |
|---|---|
| Empirical formula | C29H32ClN3 |

Hazard statements
- H302Harmful if swallowed
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Colour Index Number | 44040 |
|---|---|
| Absorption | λmax 615 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 Victoria Blue R used for?
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Victoria Blue R is primarily used as a histological and cytological stain for visualising cellular structures and tissues in biological research and diagnostics. It is also applied in cell biology for staining cells.
What are the CAS number and formula for Victoria Blue R?
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The CAS number for Victoria Blue R is 2185-86-6, and its molecular formula is C29H32ClN3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Victoria Blue R typically as a laboratory or research grade chemical. The specific assay or purity will be detailed on the Certificate of Analysis provided with your order. TSS does not represent this product as USP, BP, EP, or any other pharmacopoeial grade unless explicitly stated.
What are the safety and handling precautions for Victoria Blue R?
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Victoria Blue R is classified with a GHS07 symbol and carries a 'Warning' signal word, with hazard statement H302 indicating it is harmful if swallowed. Appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, and gloves, should be worn. Handle in a well-ventilated area and avoid ingestion.
How is Victoria Blue R packed, shipped, and exported?
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Victoria Blue R is carefully packed according to international shipping regulations for chemical substances. As a global supplier, TSS has extensive experience in exporting chemicals worldwide, ensuring compliance with all necessary documentation and transport requirements.
How can I request a sample or quote for Victoria Blue R?
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To request a sample or a quotation for Victoria Blue R, please contact the Tech Serve Solutions sales team via our website or by phone. Please specify the quantity required and your delivery destination.
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