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HS Code |
835585 |
| Product Name | Direct Blue 2B |
| Chemical Class | Azo dye |
| Cas Number | 2429-74-5 |
| Molecular Formula | C32H20N6Na4O14S4 |
| Molecular Weight | 960.8 g/mol |
| Appearance | Dark blue powder |
| Solubility | Soluble in water |
| Color Index Number | C.I. 23850 |
| Ph Value | 7-9 (1% aqueous solution) |
| Application | Textile dyeing, paper, leather, and other cellulose fibers |
| Light Fastness | Moderate to good |
| Melting Point | Decomposes before melting |
| Stability | Stable under normal conditions |
| Storage Conditions | Store in a cool, dry, well-ventilated area |
As an accredited Direct Blue 2B factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The packaging for Direct Blue 2B typically features a 25 kg blue fiber drum with secure lining, tightly sealed for safe transport. |
| Shipping | Direct Blue 2B should be shipped in tightly sealed containers, protected from moisture and direct sunlight. Handle with care to avoid spillage and exposure. Transport according to local, national, and international regulations for hazardous chemicals. Ensure labeling clearly indicates the substance and relevant hazard warnings. Store away from incompatible materials. |
| Storage | Direct Blue 2B should be stored in a cool, dry, and well-ventilated area away from direct sunlight, heat sources, and incompatible materials such as strong acids and oxidizers. Keep the container tightly closed and properly labeled. Avoid moisture to prevent clumping and potential degradation. Use dedicated storage areas to prevent contamination and ensure safety. |
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Purity 98%: Direct Blue 2B with purity 98% is used in textile dyeing, where it ensures vibrant and uniform coloration of cotton fibers. Particle Size 200 mesh: Direct Blue 2B with particle size 200 mesh is used in paper manufacturing, where it provides excellent dispersion and even shade distribution. Water Solubility 50 g/L: Direct Blue 2B with water solubility 50 g/L is used in ink formulation, where it enables high concentration solutions for deep print intensity. Light Fastness Grade 4: Direct Blue 2B with light fastness grade 4 is used in apparel dyeing, where it offers improved resistance to color fading from sunlight exposure. pH Stability 5-9: Direct Blue 2B with pH stability 5-9 is used in cellulosic fiber applications, where it maintains consistent dye performance across variable processing conditions. Moisture Content ≤1%: Direct Blue 2B with moisture content ≤1% is used in dye powder blending, where it prevents caking and enhances shelf life of the final product. Thermal Stability up to 120°C: Direct Blue 2B with thermal stability up to 120°C is used in hot dyeing processes, where it ensures dye integrity and maintains color yield. Salt Content ≤3%: Direct Blue 2B with salt content ≤3% is used in bulk textile processing, where it minimizes unwanted ionic interference and promotes optimum dye uptake. Dispersibility High: Direct Blue 2B with high dispersibility is used in automated dye baths, where it promotes rapid and homogeneous mixing for reproducible dyeing results. |
Competitive Direct Blue 2B 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!
