Fast Blue B Salt
Fast Blue B Salt (CAS 14263-94-6), molecular formula C14H12N4O2Cl2 · ZnCl2, is a high-purity chemical supplied by Tech Serve Solutions for cell biology applications, to pharmacopoeia specification (USP, BP, EP). Every batch is tested and ships with a Certificate of Analysis; MSDS and technical data sheets are available on request. Tech Serve Solutions has supplied laboratory reagents, fine chemicals and pharmaceutical intermediates worldwide since 1998.
- IUPAC
- o-Dianisidine bis(diazotized) zinc double salt,Azoic Diazo No. 48,DBB,Diazo Blue B,Naphthanil Diazo Blue B

| Molecular weight | 475.47 |
|---|---|
| Linear formula | C14H12N4O2Cl2 · ZnCl2 |
| Form | powder |
| Solubility | H2O: soluble1 mg/mL |
| Storage temperature | 2-8°C |
| Composition | Dye content, ~95% |
| Melting point | >300 °C(lit.) |

Hazard statements
- H350May cause cancer
Precautionary statements
- P201Obtain special instructions before use
- P308IF exposed or concerned
| Protective equipment | Eyeshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T |
| Risk statements (R) | 45 |
| Safety statements (S) | 53-45 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Colour Index Number | 37235 |
|---|---|
| Description | Technical grade |
Documentation
Supplied to USP, BP and EP standards. Every batch ships with a Certificate of Analysis (assay, identity, purity); MSDS 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 Blue B Salt?
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Fast Blue B Salt (CAS 14263-94-6), molecular formula C14H12N4O2Cl2 · ZnCl2, is a high-purity chemical supplied by Tech Serve Solutions for cell biology applications, to USP, BP and EP standards.
What grades of Fast Blue B Salt does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Fast Blue B Salt in USP, BP, EP and reagent/AR grades. Custom specifications for nutraceutical or specialty pharmaceutical applications are available — contact our technical sales team.
What is the CAS number and molecular formula of Fast Blue B Salt?
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Fast Blue B Salt has CAS number 14263-94-6 and molecular formula C14H12N4O2Cl2 · ZnCl2. Full specifications appear in the table above and in the Certificate of Analysis.
What is the typical minimum order quantity and lead time for Fast Blue B Salt?
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Sample quantities are available for technical evaluation; bulk MOQ depends on grade and packaging. In-stock material typically ships in 7–10 working days; custom-spec orders take 3–4 weeks. Tech Serve Solutions ships worldwide with full export documentation.
Do you provide a Certificate of Analysis (CoA) with each shipment?
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Yes. Every batch of Fast Blue B Salt ships with a Certificate of Analysis covering assay, identity and purity tests, plus pharmacopoeia conformance where applicable. MSDS and TDS documents are available on request before order placement.
How should Fast Blue B Salt be stored?
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Store Fast Blue B Salt in its original sealed container in a cool, dry place away from direct sunlight and incompatible materials, in line with the storage guidance on the Safety Data Sheet. Reseal between dispensings.
What is Fast Blue B Salt used for?
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Fast Blue B Salt is used in cell biology applications across pharmaceutical, research and industrial settings. Our technical team can advise on suitability for your specific process.
How do I request a quote for Fast Blue B Salt?
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Request a quote with your required grade, quantity and destination via https://www.techservesolutions.in/contact or email info@techservesolutions.in. We respond with specifications, a Certificate of Analysis and pricing.
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