Acid Black 194 Liquid

Description

Acid Black 194 Liquid is a water-soluble, anionic dye primarily used in textile, ink industries, and detergents Here’s a detailed overview:

 Chemical Profile

• Chemical Name: C.I. Acid Black 194
• CAS Number: 57693-14-8 (liquid form)
• Molecular Formula: C₂₀H₁₂N₃NaO₇S
• Molecular Weight: 461.38 g/mol
• Structure: Single azo, calcium or chromium complex

 Physical & Application Properties

• Appearance: black liquid (liquid form)
• Solubility: Highly soluble in water and alcohol
• pH (liquid form): ~5.5 ± 1.5
• Uses:
  • Dyeing and printing of wool, nylon, silk, and their blends
  • Leather dyeing
  • Marker inks, felt-tip pens, and water-based coatings

⚠️ Safety & Handling

• Hazards (GHS Classification):
  • May cause mild skin and eye irritation
  • May be harmful if swallowed or inhaled
• Precautions:
  • Use protective gloves and goggles
  • Ensure proper ventilation during handling
• Environmental Note: Contains trivalent chromium complex (Cr(III)), which is listed under SARA Section 313 in the U.S.

 Manufacturing & Suppliers

• Manufacturing Method: Diazotization of 4-amino-3-hydroxy-7-nitronaphthalene-1-sulfonic acid, followed by coupling with naphthol and complexation with chromium
• Common Trade Names:
  • Acid Black M-SRL
  • Dorasyn Black D2R Liq.
  • Ricoamide Black MSRL Liq.
  • Spectra Black M-SRL Liquid