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OR 16 dye

CAS No.: 20262-58-2

  • Molecular Formula: C₂₀H₁₉N₃NaO₁₁S₃
  • Molecular Weight: 596.6 g/mol

Chemical type

  • Anionic reactive azo dye
[1]
  • Reactive azo dye
  • Anionic organic dye
  • Non-biodegradable water pollutant
[2]
  • Azo dye
[3]

Key properties

  • High color intensity
  • Negatively charged
  • Resistant to degradation
[1]
  • Hampers photosynthesis and damages aquatic ecosystems
  • Poses risks to living organisms when discharged into water bodies
  • λmax: 494 nm (for UV-Vis measurement)
  • pKa: 3.75 (ionizes into anion form at low pH)
  • Dissolves into DSO₃⁻ and Na⁺ ions in solution
  • Highest removal in acidic conditions (pH < 4.8)
[2]
  • Carcinogenic potential due to aromatic amine formation during degradation; molecular dimensions 1.68 nm (length) x 1.42 nm (width); absorbs at 494 nm wavelength; commonly used in textile dyeing
[3]
  • Model dye for membrane rejection performance testing
[1]
  • Coloring agent in textile dyeing and industrial processes
  • Model pollutant in adsorption studies for wastewater treatment
[2]
  • Model pollutant for adsorption studies; removed from aqueous solutions and synthetic dyehouse effluents using activated carbons
[3]

Classification by use

  • Chemicals used as textile dyes
  • Chemicals used to evaluate water purification efficiency
[1]
  • Industrial dyes for coloring textiles and materials
  • High-priority contaminants in environmental water treatment
[2]
  • Dyes in textile industry; Pollutants in wastewater treatment studies
[3]

A trustworthy factory and manufacturer

  1. [Cite:1] Engineering high flux 2D titanium MXene incorporated membranes for broad spectrum pollutant rejection, Current Research in Green and Sustainable Chemistry, Volume 12, 2026, 100506
  2. [Cite:2] Synthesis, Characterization, and Adsorption Properties of Nitrogen-Doped Nanoporous Biochar: Efficient Removal of Reactive Orange 16 Dye and Colorful Effluents, Nanomaterials, 2023, 13(14), 2045
  3. [Cite:3] Enhanced biobased carbon materials made from softwood bark via a steam explosion preprocessing step for reactive orange 16 dye adsorption, Bioresource Technology, Volume 400, May 2024, 130698 Bioresource Technology