Basic Blue 3
Basic Blue 3 (CAS: 33203-82-6), with the molecular formula C20H26ClN3O and a molecular weight of 359.89 g/mol, is a synthetic organic dye. It is known for its characteristic absorption at λmax 654 nm. This compound finds application in various staining procedures within biological and histological contexts, aiding in the visualisation of cellular structures. It is supplied by Tech Serve Solutions for research and laboratory use.

Cell Biology Staining
Basic Blue 3 is utilised as a stain in cell biology for differential staining of cellular components. Its specific affinity allows for the visualisation of cellular structures under microscopy.
Histological Dye
In histology, this dye serves as a critical reagent for staining tissue sections. It aids in the differentiation of tissues and the identification of cellular morphology, crucial for diagnostic purposes.
Hematology Applications
The compound can be employed in hematological studies for staining blood cells. This assists in the identification and classification of various blood cell types.
| Molecular weight | 359.89 |
|---|---|
| Empirical formula | C20H26ClN3O |
| Melting point | 205 °C (dec.)(lit.) |
| 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 | 51004 |
|---|---|
| Absorption | λmax 654 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 Basic Blue 3 used for?
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Basic Blue 3 is used as a stain in cell biology, histology, and hematology for visualising cellular and tissue structures.
What is the CAS number and formula for Basic Blue 3?
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The CAS number for Basic Blue 3 is 33203-82-6 and its molecular formula is C20H26ClN3O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Basic Blue 3 as a research-grade chemical. The specific purity assay is not detailed in the provided data, and TSS does not represent this product as USP, BP, EP, or pharmacopoeia grade.
How should Basic Blue 3 be handled safely?
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Handling Basic Blue 3 requires appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended. It is classified with WGK Germany 3, indicating a high hazard to water.
Is Basic Blue 3 a controlled substance?
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The provided data does not indicate that Basic Blue 3 is a controlled substance.
How is Basic Blue 3 shipped and exported?
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Basic Blue 3 is available for global export from Tech Serve Solutions, adhering to all necessary shipping regulations for chemical compounds.
How can I request a sample or quote for Basic Blue 3?
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To request a sample or quote for Basic Blue 3, please contact the Tech Serve Solutions sales team through our official channels.
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