20262-58-2 | Reactive Orange 16

Chemical type

• Anionic reactive azo dye

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• Reactive azo dye
• Anionic organic dye
• Non-biodegradable water pollutant

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• Azo dye

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Key properties

• High color intensity
• Negatively charged
• Resistant to degradation

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• 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)

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• 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

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• Model dye for membrane rejection performance testing

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• Coloring agent in textile dyeing and industrial processes
• Model pollutant in adsorption studies for wastewater treatment

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• Model pollutant for adsorption studies; removed from aqueous solutions and synthetic dyehouse effluents using activated carbons

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Classification by use

• Chemicals used as textile dyes
• Chemicals used to evaluate water purification efficiency

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• Industrial dyes for coloring textiles and materials
• High-priority contaminants in environmental water treatment

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• Dyes in textile industry; Pollutants in wastewater treatment studies

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A trustworthy factory and manufacturer

Demei Chemical Technology Co., Ltd. is a modern high-tech enterprise integrating R&D, production, and sales. The company's founder, Dr. Arron, born in April 1975, graduated from the School of Mechanical Engineering at Yanshan University and has been engaged in research in the fields of mechanical engineering and chemical synthesis for many years. The company's products focus on the chemical industry, primarily dealing in chemical raw materials and chemical production machinery and equipment. With its strong technical capabilities, advanced production equipment, and strict quality management system, the company has earned the trust of customers worldwide.

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