Cationic Yellow
Cationic Yellow: The Premium Dye Solution for Vibrant Color Results
Cationic Yellow is a high-performance cationic dye specifically formulated for producing brilliant yellow shades across various applications. This premium quality dye offers exceptional color fastness, stability, and compatibility with different materials.
Product Specifications
- Chemical Name: Cationic Yellow 28
- CAS Number: 54060-92-3
- Molecular Formula: C22H26Cl2N4O
- Appearance: Bright yellow powder
- Solubility: Excellent in water and organic solvents
- pH Stability: 3-9
- Light Fastness: 7-8 (ISO 105-B02)
- Wash Fastness: 4-5 (ISO 105-C06)
| Property | Value | Test Method |
|---|---|---|
| Color Strength | 100±5% | ISO 105-J03 |
| Moisture Content | ≤5% | GB/T 2386 |
| Water Insoluble Matter | ≤0.5% | GB/T 2381 |
| Temperature Resistance | Up to 200°C | ISO 105-P01 |
| Shelf Life | 24 months | - |
Applications of Cationic Yellow
Cationic Yellow is widely used in multiple industries due to its superior performance characteristics:
- Textile dyeing (acrylic, modified polyesters)
- Paper coloration
- Ink manufacturing
- Plastic coloration
- Leather dyeing
- Biological staining
FAQ About Cationic Yellow
What distinguishes Cationic Yellow from other yellow dyes?
Cationic Yellow offers superior brightness and color purity compared to conventional yellow dyes. Its cationic nature provides excellent affinity to negatively charged substrates, resulting in better dye uptake and reduced wastewater contamination. The dye maintains its vibrancy even after repeated washing and exposure to sunlight.
How should Cationic Yellow be stored for maximum shelf life?
Cationic Yellow should be stored in its original packaging in a cool, dry place away from direct sunlight. The ideal storage temperature is between 5°C and 30°C. Keep containers tightly sealed when not in use to prevent moisture absorption and contamination. Under proper storage conditions, Cationic Yellow maintains its quality for at least 24 months from production date.
What safety precautions are necessary when handling Cationic Yellow?
While Cationic Yellow is classified as non-hazardous under normal conditions, we recommend using standard personal protective equipment including gloves, safety glasses, and dust masks when handling the powder form. Ensure adequate ventilation in working areas. In case of skin contact, wash thoroughly with soap and water. For eye contact, rinse immediately with plenty of water and seek medical attention.
Can Cationic Yellow be mixed with other dyes?
Yes, Cationic Yellow can be mixed with other cationic dyes to create custom shades. However, we recommend conducting small-scale compatibility tests before full production runs. The dye should not be mixed with anionic dyes as this may cause precipitation. For best results, dissolve each dye separately before combining in the dye bath.
What is the recommended dyeing process for Cationic Yellow in textile applications?
For optimal results with Cationic Yellow on acrylic fibers, use the following process: Prepare a dye bath at 40°C with pH adjusted to 4.5-5 using acetic acid. Add the required amount of Cationic Yellow (typically 0.1-3% owf). Circulate the fabric for 10 minutes, then raise temperature to 98-100°C at 1°C per minute. Maintain at boiling for 30-60 minutes depending on depth of shade. Cool slowly to 60°C before rinsing.
Technical Advantages of Cationic Yellow
| Feature | Benefit |
|---|---|
| High Purity | Consistent color results batch-to-batch |
| Excellent Solubility | Easy to prepare dye solutions without residue |
| Superior Light Fastness | Maintains color vibrancy even with UV exposure |
| Good Migration Properties | Even dye distribution throughout material |
| Wide Compatibility | Works well with various substrates and auxiliaries |
Cationic Yellow stands out in the market for its exceptional quality and performance characteristics. Whether you're in textile manufacturing, paper production, or specialty chemical applications, Cationic Yellow delivers reliable, vibrant coloration that meets the most demanding industry standards.
