Fast Dark Blue R Salt
Fast Dark Blue R Salt (CAS 6709-58-6) is an organic compound with the chemical formula C14H10Cl2N5O4 · 0.5Cl4Zn and a molecular weight of 486.77 g/mol. Also identified by Colour Index number 37195, this substance is recognised as Azoic Diazo Component 51. It is primarily utilised as a dyestuff intermediate and in histological staining applications within biological research and diagnostics.
- IUPAC
- Azoic Diazo Component 51,Azoic Diazo No. 51

Azoic Diazo Component
Fast Dark Blue R Salt serves as Azoic Diazo Component 51. It is employed in the synthesis of azo dyes, contributing specific colouristic properties to the final products.
Histological Staining
This compound is recognised for its application in hematology and histology. It functions as a stain, aiding in the visualisation of cellular structures in microscopic examinations.
Cell Biology Research
In cell biology, Fast Dark Blue R Salt is used as a staining agent. Its properties allow for the differentiation and identification of specific cellular components during research.
| Molecular weight | 486.77 |
|---|---|
| Empirical formula | C14H10Cl2N5O4 · 0.5Cl4Zn |
| Storage temperature | −20°C |
| Colour Index Number | 37195 |
|---|
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 Fast Dark Blue R Salt used for?
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Fast Dark Blue R Salt (CAS 6709-58-6) is primarily used as an Azoic Diazo Component 51 in dye synthesis and as a stain in hematology and histology for biological research and diagnostics.
What is the CAS number and chemical formula for Fast Dark Blue R Salt?
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The CAS number for Fast Dark Blue R Salt is 6709-58-6, and its chemical formula is C14H10Cl2N5O4 · 0.5Cl4Zn.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Fast Dark Blue R Salt in a technical/research grade. We do not represent this product as USP, BP, EP, or other pharmacopoeia grades unless explicitly stated.
How should Fast Dark Blue R Salt be handled and stored?
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Based on its hazard classification (WGK Germany 3), Fast Dark Blue R Salt requires careful handling. It should be stored at -20°C and appropriate personal protective equipment should be used to avoid contact and inhalation.
How is Fast Dark Blue R Salt packed, shipped, and exported?
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Fast Dark Blue R Salt is carefully packed to ensure stability during transit. Tech Serve Solutions is experienced in exporting fine chemicals globally, adhering to all relevant shipping regulations.
How can I request a quote or sample of Fast Dark Blue R Salt?
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To request a quote or a sample of Fast Dark Blue R Salt, please contact our sales team through the website or by phone, providing your specific requirements and shipping details.
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