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HS Code |
339349 |
| Product Name | Direct Red 4BL |
| Cas Number | 632-51-9 |
| Chemical Class | Azo dye |
| Appearance | Red powder or granules |
| Solubility | Soluble in water |
| Molecular Formula | C32H22N6Na2O8S2 |
| Molecular Weight | 728.67 g/mol |
| Color Index Number | C.I. 223 |
| Light Fastness | Moderate |
| Application | Textile dyeing (especially cotton) |
| Ph Stability | Stable in neutral and slightly alkaline solutions |
| Melting Point | Decomposes before melting |
| Odor | Odorless |
| Storage Conditions | Keep in a cool, dry, and well-ventilated place |
As an accredited Direct Red 4BL factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Direct Red 4BL is packed in a sturdy 25 kg fiber drum with an inner plastic lining, labeled for industrial chemical use. |
| Shipping | Direct Red 4BL should be shipped in tightly sealed, properly labeled containers to prevent leaks or contamination. It must be kept dry and protected from direct sunlight and extreme temperatures. During transit, ensure compliance with local regulations regarding transport of dyes and chemicals, using suitable packaging and handling protocols to ensure safety. |
| Storage | Direct Red 4BL should be stored in a tightly closed container, kept in a cool, dry, and well-ventilated area. Protect it from moisture, direct sunlight, and incompatible substances such as strong oxidizers. Label storage areas clearly and ensure easy access to safety data sheets. Keep away from food, drink, and animal feed to prevent contamination. |
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Purity 98%: Direct Red 4BL with 98% purity is used in textile dyeing processes, where it delivers consistent and vibrant coloration on cotton fabrics. Molecular Weight 820 g/mol: Direct Red 4BL with molecular weight 820 g/mol is used in cellulosic fiber dyeing, where it ensures uniform penetration and colorfastness. Water Solubility 60 g/L: Direct Red 4BL with water solubility of 60 g/L is used in aqueous dye baths, where it enables smooth dissolution and even dye distribution. pH Stability 4-8: Direct Red 4BL with pH stability range of 4-8 is used in blended fabric coloring, where it maintains shade integrity across variable processing conditions. Light Fastness Grade 4: Direct Red 4BL with light fastness grade 4 is used in curtain and upholstery manufacturing, where it enhances resistance to fading under sunlight. Melting Point 270°C: Direct Red 4BL with a melting point of 270°C is used in high-temperature dyeing of viscose fibers, where it prevents sublimation and maintains product integrity. Particle Size <50 μm: Direct Red 4BL with particle size less than 50 μm is used in ink formulation, where it produces smooth dispersions and sharp print quality. Stability Temperature 120°C: Direct Red 4BL with stability temperature up to 120°C is used in continuous dyeing operations, where it ensures durability and consistent performance during thermal treatment. Salt Compatibility 30 g/L NaCl: Direct Red 4BL compatible with 30 g/L NaCl is used in reactive dyeing systems, where it facilitates efficient dye uptake and enhances wash fastness. Viscosity Grade Low: Direct Red 4BL with a low viscosity grade is used in liquid dye preparations, where it improves processability and ease of application. |
Competitive Direct Red 4BL 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
Flexible payment, competitive price, premium service - Inquire now!
