What is it? Bismark Brown is a diazo dye.

How can I avoid it? You should avoid contact with this substance. Avoidance require reading labels, package inserts, Material safety Data Sheets (MSDS), and on occasion, direct communication with the manufacturer.

Uses:
  • Dyes used in: 
    • Leathers
    • Silks
    • Wool
  • Biologic stains
Other names for Bismark Brown:
  • Basic brown 4
  • Bismark brown R
Potential cross-reacting/co-reacting substances:
  • Para-amino compounds, including PPD

How safe is it?

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