Direct Red Brown
Direct Red Brown is a premium dye known for its vibrant color and superior quality. This product is widely used in textile, leather, and paper industries due to its excellent fastness properties and ease of application. Below, we provide detailed information about Direct Red Brown, including its specifications, applications, and answers to frequently asked questions.
Product Specifications
Below are the key parameters of Direct Red Brown:
- Color Index: Direct Brown 2
- CAS Number: 2429-74-5
- Molecular Formula: C34H24N6O8S2Na2
- Appearance: Brown powder
- Solubility: Soluble in water
- Light Fastness: 4-5 (on a scale of 1-8)
- Wash Fastness: 3-4 (on a scale of 1-5)
Physical and Chemical Properties
| Property | Value |
|---|---|
| Melting Point | 300°C (decomposes) |
| pH (1% Solution) | 6.5 - 7.5 |
| Moisture Content | ≤ 5% |
| Ash Content | ≤ 1% |
Applications of Direct Red Brown
Direct Red Brown is extensively used in various industries:
- Textile Industry: For dyeing cotton, silk, and rayon fabrics.
- Leather Industry: Provides uniform and long-lasting color to leather products.
- Paper Industry: Used for coloring paper and cardboard.
- Ink Production: Acts as a colorant in printing inks.
FAQ about Direct Red Brown
Below are some frequently asked questions about Direct Red Brown:
What is the shelf life of Direct Red Brown?
Direct Red Brown has a shelf life of up to 24 months when stored in a cool, dry place away from direct sunlight. Ensure the container is tightly sealed to prevent moisture absorption and contamination.
Is Direct Red Brown safe for use in textiles?
Yes, Direct Red Brown is safe for textile applications when used as directed. It complies with international safety standards for dyes and does not contain harmful substances. However, appropriate protective measures should be taken during handling to avoid inhalation or skin contact.
Can Direct Red Brown be mixed with other dyes?
Direct Red Brown can be mixed with other direct dyes to achieve custom shades. However, compatibility should be tested in small batches before large-scale application to ensure the desired color and fastness properties are achieved.
Storage and Handling
Proper storage and handling of Direct Red Brown are essential to maintain its quality:
- Store in a well-ventilated area at room temperature.
- Keep away from strong oxidizing agents and acids.
- Use personal protective equipment (PPE) such as gloves and masks when handling the powder.
Conclusion
Direct Red Brown is a versatile and reliable dye that offers excellent color fastness and ease of use across multiple industries. Whether for textiles, leather, or paper, it provides consistent and vibrant results. For further inquiries or custom requirements, feel free to contact our team.