|
HS Code |
883209 |
| Chemical Name | Direct Fast Blue 4BL |
| Cas Number | 1330-38-7 |
| Molecular Formula | C34H24N6Na4O14S4 |
| Molecular Weight | 972.87 g/mol |
| Appearance | Blue powder |
| Solubility | Soluble in water |
| Application | Textile dyeing (cotton and viscose) |
| Dye Class | Direct dye |
| Maximum Absorption Wavelength | 620 nm |
| Color Index Number | Direct Blue 71 |
| Melting Point | Decomposes before melting |
| Storage Conditions | Keep in tightly closed container, in a cool, dry place |
As an accredited Direct Fast Blue 4BL factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Direct Fast Blue 4BL is typically packaged in 25 kg tightly sealed fiber drums with inner plastic lining, ensuring safe, moisture-proof transport. |
| Shipping | Direct Fast Blue 4BL is shipped in tightly-sealed, clearly labeled containers, typically fiber drums or bags with inner linings to prevent moisture contamination. Transport complies with relevant chemical safety regulations, keeping the product away from heat, spark, or incompatible substances. Proper documentation and hazard labels accompany all shipments for safe handling. |
| Storage | Direct Fast Blue 4BL should be stored in a cool, dry, well-ventilated area away from direct sunlight and sources of ignition. Keep the container tightly closed and protect from moisture. Store separately from strong oxidizing agents and acids. Use appropriate containers to avoid contamination and label clearly. Ensure storage areas are equipped with spill containment measures and proper safety equipment. |
|
Purity 98%: Direct Fast Blue 4BL with purity 98% is used in textile dyeing processes, where it provides consistent shade reproducibility and vibrant color intensity. Water Solubility: Direct Fast Blue 4BL with high water solubility is used in cellulose fiber printing, where it ensures rapid dissolution and uniform color distribution. Light Fastness Grade 5: Direct Fast Blue 4BL with light fastness grade 5 is used in outdoor fabric applications, where it offers excellent resistance to fading under prolonged sunlight exposure. pH Stability 6-8: Direct Fast Blue 4BL with pH stability between 6-8 is used in reactive dye formulations, where it maintains structural integrity and color stability in mildly acidic or neutral conditions. Particle Size 10-20 µm: Direct Fast Blue 4BL with particle size of 10-20 µm is used in the manufacture of printing inks, where it enables smooth dispersion and prevents clogging in inkjet heads. Melting Point 320°C: Direct Fast Blue 4BL with a melting point of 320°C is used in high-temperature textile processing, where it retains color strength without degradation. Heat Stability 180°C: Direct Fast Blue 4BL with heat stability up to 180°C is used in polyester blend dyeing, where it resists thermal decomposition and maintains colorfastness. Salt Tolerance 40 g/L: Direct Fast Blue 4BL with salt tolerance of 40 g/L is used in exhaust dyeing of cotton fabrics, where it delivers even dye uptake and minimizes salt-induced color variation. |
Competitive Direct Fast Blue 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!
