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HS Code |
326522 |
| Productname | Disperse Red 221 |
| C I Number | C.I. 60756 |
| Chemicalclass | Azo |
| Molecularformula | C20H17N5O4 |
| Molecularweight | 391.38 g/mol |
| Appearance | Red powder |
| Solubility | Insoluble in water, soluble in organic solvents |
| Meltingpoint | About 150°C |
| Application | Dyeing polyester and acetate fibers |
| Casnumber | 50293-92-8 |
| Lightfastness | Good (typically 5-6 on wool scale) |
| Shade | Bright red |
| Phstability | Stable in neutral and slightly acidic conditions |
| Thermalstability | Good |
| Commercialform | Powder or granules |
As an accredited Disperse Red 221 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Disperse Red 221 is packaged in a sealed 25 kg fiber drum with inner polyethylene lining, labeled with product details and safety warnings. |
| Shipping | Disperse Red 221 should be shipped in tightly sealed containers, protected from moisture and direct sunlight. It is typically transported as a non-hazardous dye, but should be handled according to standard chemical safety regulations. Packaging must prevent leakage or spillage, and labeling must comply with local and international transport requirements. |
| Storage | Disperse Red 221 should be stored in a tightly sealed container in a cool, dry, and well-ventilated area, away from sources of ignition, heat, and direct sunlight. It should be kept away from incompatible substances such as strong oxidizers. Appropriate labeling and secondary containment are recommended to prevent spills, contamination, and accidental exposure. Handle using suitable protective equipment. |
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Purity 98%: Disperse Red 221 with 98% purity is used in polyester fiber dyeing, where it ensures high color yield and shade consistency. Melting point 220°C: Disperse Red 221 with a melting point of 220°C is used in hot melt transfer printing, where it delivers excellent thermal stability and crisp image transfer. Particle size D50 2 μm: Disperse Red 221 with a particle size D50 of 2 μm is used in high-speed jet dyeing, where it achieves rapid, uniform fiber penetration and consistent coloration. Lightfastness Grade 5: Disperse Red 221 with lightfastness grade 5 is used in outdoor textile applications, where it provides superior resistance to color fading under sunlight. Stability temperature 160°C: Disperse Red 221 with a stability temperature of 160°C is used in synthetic fabric printing, where it maintains chromatic integrity under prolonged thermal exposure. Dispersion stability 24 hours: Disperse Red 221 with dispersion stability of 24 hours is used in aqueous dye formulations, where it prevents sedimentation and improves processing efficiency. Molecular weight 400 g/mol: Disperse Red 221 with a molecular weight of 400 g/mol is used in microfiber dyeing, where it promotes deep fiber penetration and washfastness. Oil content ≤0.5%: Disperse Red 221 with oil content ≤0.5% is used in automotive textile production, where it minimizes surface migration and ensures stain resistance. |
Competitive Disperse Red 221 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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