Nigrosin 5%-500ml
Nigrosin 5% is an aqueous solution of nigrosin, a black synthetic dye used primarily in microbiology and histology as a negative stain. It stains the background but not the cells, allowing clear visualization of cell morphology, capsules, and other structures under the microscope.
Chemical Name:
Nigrosin (synthetic black dye), aqueous solution
Synonyms:
Acid Black 2, Nigrosin Stain, Nigrosin Solution 5%
CAS Number:
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Nigrosin: 8005-03-6
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Water: 7732-18-5
Appearance:
Dark brown to black solution
Key Properties
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Concentration: 5% w/v
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Water-soluble
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Non-specific negative staining
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Stable under normal laboratory storage conditions
Applications
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Negative staining of bacteria and fungi
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Visualization of capsules and cell morphology
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Microbiology and cytology laboratory staining
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Educational and research microscopy studies
Storage Conditions
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Store tightly closed in a cool, dark place
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Protect from contamination
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Room temperature storage recommended
Safety & Handling (General SDS Summary)
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May cause skin and eye irritation
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Avoid ingestion and inhalation
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Use gloves, lab coat, and eye protection
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Handle in a well-ventilated area
| Weight | 1 kg |
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