Nigrosine Stain 10% w/v

  • CAS :
    2229872
  • REF :
    25900
QUANTITY PRICE ENQUIRY
100 ml Rs 80.00

Product Information

  • 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

Chemicals Properties

  • 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 Information

  • 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.