Meldola’s blue
Meldola's blue (CAS 7057-57-0), chemically C18H15ClN2O · 0.5Cl2Zn, is a cationic dye with a molecular weight of 378.93 g/mol. Also known as Basic Blue 6, this compound serves as a vital stain in biological and histological applications. Its ability to selectively colour cellular components makes it an indispensable tool for microscopic examination and research in various life science fields, contributing to accurate visualisation and analysis.
- IUPAC
- 8-Dimethylamino-2,3-benzophenoxazine hemi(zinc chloride) salt,Basic Blue 6,Fast blue 3R,Naphthol blue R
- Synonyms
- 8-Dimethylamino-2,3-benzophenoxazine hemi(zinc chloride) saltBasic Blue 6Fast blue 3RNaphthol blue R
Histological Staining
Meldola's blue is extensively used in histology for differential staining of tissues. It selectively stains nucleic acids, particularly DNA, allowing for clear visualisation of cell nuclei under microscopic examination.
Cell Biology Research
In cell biology, this dye aids in the study of cellular structures and processes. It can be employed to identify and localise specific cellular components, contributing to a deeper understanding of cell function and morphology.
Dyeing Applications
As a benzophenoxazine dye, Meldola's blue can be used for dyeing various materials. Its characteristic blue colour and staining properties make it suitable for specific industrial and laboratory dyeing purposes.
| Molecular weight | 378.93 |
|---|---|
| Empirical formula | C18H15ClN2O · 0.5Cl2Zn |
| Colour Index Number | 51175 |
|---|
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 Meldola's blue used for?
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Meldola's blue is primarily used as a stain in histology and cell biology for visualising cellular structures, particularly nucleic acids like DNA. It also finds application in dyeing.
What is the CAS number and chemical formula for Meldola's blue?
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The CAS number for Meldola's blue is 7057-57-0, and its chemical formula is C18H15ClN2O · 0.5Cl2Zn.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Meldola's blue. The specific grade and purity (assay) are detailed in the product specifications above. We do not represent this product as USP, BP, or EP grade unless explicitly stated in the specifications.
What are the safety and handling precautions for Meldola's blue?
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Meldola's blue has a WGK Germany rating of 3, indicating it is hazardous to water. Handle with appropriate personal protective equipment, avoid release into the environment, and consult the Safety Data Sheet (SDS) for comprehensive guidance.
How is Meldola's blue packed and shipped?
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Meldola's blue is carefully packed to ensure stability during transit and is exported globally by Tech Serve Solutions in compliance with international shipping regulations for chemical substances.
How can I request a sample or quote for Meldola's blue?
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To request a sample or a quote for Meldola's blue, please contact our sales team through the website or by providing your details via the product enquiry form.
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