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HS Code |
560216 |
| Product Name | Direct Fast Red 4B |
| Synonyms | Direct Red 23 |
| Cas Number | 3441-14-3 |
| Chemical Formula | C35H25N7Na2O10S2 |
| Molar Mass | 809.73 g/mol |
| Appearance | Red powder or granules |
| Solubility In Water | Soluble |
| Melting Point | Decomposes |
| Dye Class | Azo dye |
| Light Fastness | Moderate |
| Applications | Textile dyeing, paper coloring |
| Maximum Absorption Wavelength | 497 nm |
| Ph Range For Application | 5-7 |
| Storage Conditions | Store in cool, dry place |
| Stability | Stable under recommended storage conditions |
As an accredited Direct Fast Red 4B factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The packaging for Direct Fast Red 4B contains 25 kg of bright red dye powder, sealed in a sturdy, labeled fiber drum. |
| Shipping | Direct Fast Red 4B should be shipped in sealed, correctly labeled containers, protected from moisture and direct sunlight. Handle with care to avoid spillage. Ensure compliance with local regulations for hazardous materials transport. Store separately from incompatible substances and ensure appropriate documentation accompanies the shipment for safety and regulatory purposes. |
| Storage | Direct Fast Red 4B should be stored in a cool, dry, and well-ventilated area, away from sources of ignition and incompatible substances such as strong oxidizers. Keep the container tightly closed and protected from moisture. Avoid exposure to direct sunlight. Use appropriate personal protective equipment when handling, and ensure proper labeling and secure storage to prevent accidental mixing or spills. |
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Purity 98%: Direct Fast Red 4B with purity 98% is used in textile dyeing processes, where it provides vibrant and uniform red shade on cotton fabrics. Lightfastness Grade 6: Direct Fast Red 4B with lightfastness grade 6 is used in apparel manufacturing, where it ensures long-lasting color stability under sunlight exposure. Particle Size ≤10 μm: Direct Fast Red 4B with particle size ≤10 μm is used in ink formulation, where it achieves smooth dispersion and consistent print quality. Moisture Content ≤3%: Direct Fast Red 4B with moisture content ≤3% is used in paper dyeing, where it prevents clumping and improves dye uptake efficiency. Stability Temperature 120°C: Direct Fast Red 4B with stability temperature 120°C is used in high-temperature printing applications, where it resists thermal degradation and maintains color integrity. Solubility 50 g/L at 60°C: Direct Fast Red 4B with solubility 50 g/L at 60°C is used in liquid dye baths, where it enables rapid and complete dissolution for efficient processing. Melting Point 320°C: Direct Fast Red 4B with melting point 320°C is used in plastic coloration, where it avoids migration and ensures color permanence in molded products. |
Competitive Direct Fast Red 4B prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please contact us at +8615651039172 or mail to sales9@bouling-chem.com.
We will respond to you as soon as possible.
Tel: +8615651039172
Email: sales9@bouling-chem.com
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