Nigrosine Stain 10% w/v
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CAS :
2229872
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REF :
25900
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| QUANTITY |
PRICE |
ENQUIRY |
|
100 ml |
Rs
80.00
|
|
- Formula: Nigrosine dye in solvent (often ethanol, water, or acetic acid).
- CAS: 8005-03-6
- EC No.: 232-339-5
- M: Not applicable
- D: ~1.00 g/cm³
- mp: Not applicable
- bp: Not applicable
- Optical Rotation: Not applicable
- Concentration: 10 % w/v ± 1%.
- Appearance: Deep blue-black to black solution.
- Solvent: Typically ethanol/water or water with phenol/acetic acid.
- Staining Performance (for negative staining of bacteria/capsules): Passes test (provides dark background).
- Clarity: Homogeneous solution, may have slight sediment.
- pH: 3.0 – 5.0 (if acidic formulation).
- Hazard: Flammable (if in ethanol). Causes eye irritation.
- Safety: Keep away from heat/sparks/open flames. Wear protective gloves/eye protection.
- Storage: Store at room temperature. Protect from light.