NIGROSINE
Product information
CAS No.
8005-03-6
EC No.
309-930-4
Summary formula
C₂₂H₁₄N₆Na₂O₉S₂.
ADR
NO
Physical form
A black, odorless powder.
Application
- Microbiology: Used as a negative dye in staining techniques, allowing observation of the shape and size of cells of bacteria and fungi such as Cryptococcus neoformans.
- Woodworking industry: Used as a water-based stain for staining wood and in water-thinnable primers.
- Textile industry: Used to dye fabrics, giving them a deep black color.