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HS Code |
572931 |
| Chemical Name | Disperse Blue 257 |
| Cas Number | 85782-61-4 |
| Molecular Formula | C17H15N5O3 |
| Molecular Weight | 337.33 g/mol |
| Appearance | Blue powder |
| Solubility | Slightly soluble in water |
| Melting Point | Decomposes before melting |
| Application | Textile dye for polyester fibers |
| Color Index Number | Disperse Blue 257 |
| Structure Type | Anthraquinone derivative |
| Ph Stability | Stable in acidic to neutral pH |
| Light Fastness | Good |
As an accredited Disperse Blue 257 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Disperse Blue 257 is packaged in 25 kg fiber drums with inner polyethylene liner, labeled for safe handling and identification. |
| Shipping | Disperse Blue 257 should be shipped in tightly sealed, correctly labeled containers, protected from moisture and direct sunlight. Transport must comply with local regulations for handling dyes and chemicals, ensuring the product is secure and upright to prevent leaks. Temperature should be controlled, and safety data sheets must accompany all shipments. |
| Storage | **Disperse Blue 257** should be stored in a tightly sealed container in a cool, dry, and well-ventilated area, away from direct sunlight, heat, and incompatible substances such as strong oxidizers. Keep the storage area free from sources of ignition and avoid moisture exposure. Ensure proper labeling and restrict access to trained personnel to maintain safety and chemical integrity. |
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Purity 98%: Disperse Blue 257 with 98% purity is used in high-speed polyester fabric dyeing, where it ensures excellent color uniformity and minimal residue formation. High stability temperature: Disperse Blue 257 with high stability temperature is used in automotive textile dyeing, where it provides superior shade retention under heat exposure. Particle size 0.5 μm: Disperse Blue 257 with a particle size of 0.5 μm is used in microfibre textile printing, where it achieves deep penetration and enhanced color brilliance. Melting point 250°C: Disperse Blue 257 with a melting point of 250°C is used in dye-sublimation printing, where it offers optimal sublimation efficiency and fast fixation rates. Low water solubility: Disperse Blue 257 with low water solubility is used in polyester yarn coloration, where it reduces dye wash-off and improves overall dye fastness. Viscosity grade 600 cps: Disperse Blue 257 with a viscosity grade of 600 cps is used in disperse dye jet dyeing processes, where it promotes stable dispersion and prevents agglomeration. pH stability range 4–7: Disperse Blue 257 with pH stability range 4–7 is used in package dyeing of polyester, where it maintains consistent color strength throughout different dye bath conditions. |
Competitive Disperse Blue 257 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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