Weak Acid Brilliant Green
Weak Acid Brilliant Green: The Ultimate Dye Solution for Industrial Applications
Weak Acid Brilliant Green is a high-performance acid dye widely used in textile, leather, and paper industries. With its exceptional color vibrancy and chemical stability, this dye has become a preferred choice for manufacturers worldwide.
Product Specifications
- Chemical Name: Weak Acid Brilliant Green
- CAS Number: 4680-78-8
- Molecular Formula: C27H25N2NaO6S2
- Appearance: Dark green powder
- Solubility: Soluble in water
- pH Range: 4.0-6.0
- Light Fastness: 4-5 (ISO 105-B02)
- Wash Fastness: 4 (ISO 105-C06)
Technical Parameters
| Parameter | Value | Test Method |
|---|---|---|
| Color Strength | 100% ± 3% | Spectrophotometric |
| Moisture Content | ≤ 5% | Karl Fischer |
| Water Insoluble Matter | ≤ 0.5% | Filtration Method |
| Heavy Metal Content | ≤ 50 ppm | ICP-MS |
| Storage Stability | 24 months | Accelerated aging |
Application Guidelines
Weak Acid Brilliant Green is particularly effective for dyeing protein fibers such as wool, silk, and nylon. The typical dyeing process involves:
- Prepare dye bath with 1-3% owf (on weight of fiber) dye
- Maintain temperature at 80-95°C
- Use acetic acid to adjust pH to 4-6
- Process for 30-60 minutes
- Rinse thoroughly after dyeing
FAQ Section
What is the shelf life of Weak Acid Brilliant Green?
Weak Acid Brilliant Green has a shelf life of 24 months when stored properly in its original packaging, in a cool, dry place away from direct sunlight. The product should be kept at temperatures between 5°C and 30°C with relative humidity below 70%.
How does Weak Acid Brilliant Green compare to other green dyes?
Weak Acid Brilliant Green offers superior brightness and colorfastness compared to many alternatives. Its molecular structure provides excellent light fastness (4-5 on the ISO scale) and good wash fastness (4 on the ISO scale). The dye maintains its vibrant hue even after repeated washing and exposure to sunlight.
Can Weak Acid Brilliant Green be used for food-grade applications?
No, Weak Acid Brilliant Green is not approved for food contact or cosmetic applications. It is designed specifically for industrial use in textiles, leather, and paper products. For food-grade coloring, please consult appropriate regulatory guidelines and certified food dyes.
Safety Information
When handling Weak Acid Brilliant Green, always wear appropriate personal protective equipment including gloves and safety glasses. Avoid inhalation of dust and contact with skin or eyes. In case of accidental exposure, rinse immediately with plenty of water and seek medical advice if irritation persists.
Packaging Options
- 25 kg fiber drums
- 500 kg bulk containers
- 1 kg sample packs (available for first-time customers)
Weak Acid Brilliant Green represents the pinnacle of acid dye technology, combining vibrant coloration with excellent fastness properties. Its versatility across multiple substrates makes it an invaluable tool for color professionals in various industries.