What is it?
Basic Red 46 is a dark red powder dye of the azo group used in wool, silk, acrylic and polyester textile printing (sweaters, shirts, socks, etc).

How can I avoid it? 
Avoidance requires reading the product labels, package inserts, Material Safety Data Sheets (MSDS), and on occasion, direct communication with the manufacturer.

Strict avoidance of offending dye sources (avoidance of specific color often is not helpful).
  • Wear loose-fitting clothes if possible and avoid nylon stockings especially dark colors
  • Wash new clothing and bed linens three times before use 
  • Try to wear natural-based fabrics, silk, cotton and wool
  • Long-sleeve white silk underwear can be worn if certain outer wear fabrics cannot be avoided
Uses: 
  • Monoazo dye used for: 
    • Wool 
    • Silk 
    • Acrylic/cellulose (cotton or linen) fiber
    • Polyester
    • Acrylic textile printing (sweaters, shirts, socks)
  • Hair colorant
Other names for Acid Red 359:
  • 3(or 5)-(4-(Benzylmethylamino)
  • Phenyl)Azo)1,2 
  • 1,4- Dimethyl-1,2,4-Triazolium Bromide
  • Cationic red X-GRL
Potential cross-reacting/co-reacting substances: 
  • Other basic dyes

How safe is it?

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