Sanodal® Gold 4N

Aluminum dye

Sanodal® Gold 4N Powder is not a true organic dye but an iron compound that forms a colored complex with the aluminum oxide coating. It produces an attractive brassy-gold color that has exceptional permanence and has been used for architectual applications throughout the world.

Sanodal® Gold 4N

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  • Excellent light- and weather fastness properties
  • Suitable for outdoor and indoor applications
  • Overdyeing by a subsequent electrolytic dyeing process possible
  • Designed for many architectural needs

Technical data

Product Data

Delivery Form Powder
Solubility in water (20°C/69°F) >300 g/l
Recommended dye bath pH 4.5
Recommended dye bath buffer no buffer
Light fastness >9*
Single dye
Dye blend

*A »First Break« phenomena for ferri oxalate containing dyes is well known and documented in literature: Those kind of compounds show a fading after a short
radiation time which then does not further degrade.


  • Outdoor
  • Indoor
  • Architecture