ORANGE II

Orange II, also known as Acid Orange 7, is a synthetic azo dye widely used across multiple industries. It has a brilliant orange hue and is primarily employed in the textile and biological sectors, as well as in laboratory research. Its solubility in water and acidic conditions makes it a versatile and effective dye for various applications.

Applications

1. Textile Industry

Orange II is extensively used in the dyeing and printing of natural and synthetic fibers.

Uses:

• Dyeing cotton, wool, silk, and nylon
• Textile printing for creating bright and vibrant patterns

Benefits:

• Excellent dye uptake and uniform coloration
• High colorfastness to light and washing

2. Biological Staining

Orange II is commonly used in laboratory settings for staining biological specimens.

Uses:

• As a cytoplasmic stain in histological and cytological studies
• Component in various complex biological staining protocols

Benefits:

• Produces sharp, clear staining of cellular structures
• Compatible with other dyes for multi-stain techniques

3. Laboratory Research

Orange II serves as a pH indicator and tracer in chemical analysis and environmental studies.

Uses:

• pH indicator in titrations and analytical processes
• Tracer dye in hydrology and flow studies

Benefits:

• High solubility for easy preparation and application
• Stable in acidic environments

4. Industrial Applications

Orange II is utilized in industrial processes such as paper coloring and as a component in specialty inks and coatings.

Uses:

• Dyeing paper for decorative and commercial use
• Ingredient in industrial paints and inks

Benefits:

• Consistent and durable coloration
• Versatility across various substrates

Safety and Handling

Precautions:

• Inhalation: Avoid inhaling dust. Work in a well-ventilated area or wear a protective mask.
• Skin Contact: Use gloves to prevent staining and potential irritation.
• Eye Contact: Protect eyes with safety goggles.
• Ingestion: Not intended for ingestion. Handle with care to avoid accidental exposure.

First Aid Measures:

• Skin Contact: Wash with soap and water. Seek medical advice if irritation occurs.
• Eye Contact: Flush with water for at least 15 minutes. Seek medical attention if irritation persists.
• Inhalation: Move to fresh air. If symptoms develop, consult a physician.
• Ingestion: Rinse mouth thoroughly and drink water. Seek immediate medical attention.

Storage:

• Store in a cool, dry place, away from direct sunlight and moisture.
• Keep containers sealed to prevent contamination.

Disposal:

• Dispose of unused or waste material in accordance with local, state, and federal regulations. Avoid releasing large quantities into waterways.