Brand: Sigma-Aldrich · SKU: D9805 · MPN: D9805 · Category: Components
Fast Blue B Salt is a chemical reagent supplied as a powder with a dye content of approximately 95%. It is used in various diagnostic assays, manufacturing processes, hematology, and histology applications. It is suitable for microbe identification and staining techniques. The chemical is also known as o-Dianisidine bis(diazotized) zinc double salt, Azoic Diazo No. 48, DBB, Diazo Blue B, and Naphthanil Diazo Blue B. It has a linear formula of C14H12N4O2Cl2 · ZnCl2 and a molecular weight of 475.47. It is soluble in water at 1 mg/mL and typically stored at 2-8°C. The product is classified as Technical grade.
| Form | powder |
|---|---|
| Color | yellow to dark brown |
| CAS Number | 14263-94-6 |
| Dye content | ~95% |
| UNSPSC Code | 12171500 |
| Melting Point | >300 °C (lit.) |
| Quality Level | 200 |
| Molecular Weight | 475.47 |
| Colour Index Number | 37235 |
| Storage Temperature | 2-8°C |
| Warranty | N/A |
| Weight | N/A |
| Dimensions | N/A |
Fast Blue B Salt (D9805) is a technical grade chemical reagent supplied as a powder with ~95% dye content, primarily used for staining in diagnostic assays, hematology, and histology. It is known to react with products of enzyme activity like 1-naphthol from acetylcholinesterase conversion.
Yes, this Fast Blue B Salt (D9805) is 100% genuine Sigma-Aldrich hardware. All our products are verified by certified technicians and come with clean serial numbers ready for service contract registration.
This Fast Blue B Salt includes our standard 3-Year Warranty covering all manufacturing defects. We also offer advanced replacement options for minimal downtime.
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Yes, we have a 30-day return policy on all products. Restocking fees may apply for opened items. Please see our return policy for complete details.
Please check the specifications tab for detailed compatibility information. Our technical team is available to assist with compatibility questions for the D9805.