Basic Brown 4 (Bismarck Brown R)

Product Details

• C.I. Number: 21010
• Trade Name: Bismarck Brown R
• HSN Code: 32041392
• Chemical Class: Azo Dye
• Appearance: Reddish-brown powder
• Solubility: Soluble in water and ethanol
• pH Range: Neutral solutions preferred

Applications

• Dyeing silk, wool, and leather
• Paper dyeing
• Nylon dyeing
• Acrylic
• Dry colours

Fastness Properties

• Light Fastness: Moderate (3-4 on a scale of 1-8)
• Wash Fastness: Moderate (2-3 on a scale of 1-5)
• Acid Resistance: Good
• Alkali Resistance: Moderate

Key Features

• Reddish-brown hues
• Excellent solubility and consistency