NIGROSIN WS (BLACK)

Nigrosin WS (Black) is a water-soluble black dye extensively used in industries requiring deep, uniform black coloration. Its solubility in water and compatibility with various substrates make it ideal for applications in textiles, printing inks, coatings, and biological staining. Nigrosin WS offers excellent dispersion, high color strength, and lightfastness, ensuring its effectiveness across diverse industrial applications.

Applications

1. Textile Industry

Nigrosin WS is widely used for dyeing fabrics, providing a deep, even black color with excellent wash and lightfastness. It is particularly effective for water-based textile applications.

2. Ink Manufacturing

This dye is a key ingredient in water-based inks, offering consistent black pigmentation for printing on paper, cardboard, and other substrates.

3. Coatings and Paints

Nigrosin WS is incorporated into water-based coatings and paints, providing a rich black hue with high dispersion and stability.

4. Paper Dyeing

Used in the paper industry for coloring and tinting applications, Nigrosin WS imparts a uniform black tone to paper products.

5. Biological Staining

Nigrosin WS is employed in laboratories for biological staining and microscopy, enhancing contrast in cell and tissue samples.

6. Wood Staining

The dye is suitable for water-based wood stains, creating deep black finishes while highlighting wood grain details.

Safety and Handling

Precautions

• Protective Equipment:
  • Wear gloves, safety goggles, and a dust mask to avoid contact with the dye.
  • Use protective clothing to prevent skin staining.
• Workplace Safety: Ensure adequate ventilation or work under a fume hood to minimize inhalation risks.
• Storage: Store in a cool, dry place in sealed containers. Protect from moisture and direct sunlight.

First Aid Measures

• Inhalation: Move the person to fresh air. Seek medical attention if breathing difficulties occur.
• Skin Contact: Wash affected areas thoroughly with soap and water. Remove and clean contaminated clothing.
• Eye Contact: Rinse eyes with plenty of water for at least 15 minutes. Consult a healthcare professional if irritation persists.
• Ingestion: Rinse the mouth with water and seek immediate medical attention. Avoid inducing vomiting unless directed by medical personnel.

Environmental Precautions

Avoid discharging Nigrosin WS into water systems or soil. Its residues can affect aquatic life.

Disposal

Dispose of waste in compliance with local regulations for hazardous materials. Utilize licensed waste management facilities.