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HS Code |
429087 |
| Cas Number | 70210-20-7 |
| Chemical Name | Reactive Red 221 |
| Molecular Formula | C32H20ClN7Na4O19S6 |
| Molecular Weight | 1153.36 g/mol |
| Appearance | Red powder |
| Solubility In Water | Very soluble |
| Dye Class | Reactive dye |
| Color Index Number | C.I. 18221 |
| Lightfastness | Good |
| Application | Textile dyeing (mainly cotton) |
| Type Of Reactive Group | Triazine based |
| Maximum Absorption Wavelength | 539 nm |
| Ph Stability | Stable in neutral to alkaline solutions |
As an accredited Reactive Red 221 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Reactive Red 221 is packaged in a sealed 500g white plastic drum with safety labeling, hazard symbols, batch number, and manufacturer's details. |
| Shipping | **Shipping Description for Reactive Red 221:** Reactive Red 221 should be shipped in tightly sealed containers, protected from moisture and direct sunlight. Store in a cool, dry, and well-ventilated area. Handle according to applicable chemical safety regulations and transport with appropriate labeling. Not classified as a hazardous material under standard shipping regulations. |
| Storage | Reactive Red 221 should be stored in a tightly sealed container in a cool, dry, and well-ventilated area, away from direct sunlight and incompatible substances such as strong oxidizing agents. Avoid exposure to moisture to prevent degradation. Clearly label the storage container and keep away from sources of ignition. Always follow local safety and regulatory guidelines for chemical storage. |
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Purity 98%: Reactive Red 221 with 98% purity is used in cotton fabric dyeing, where it ensures high color yield and uniform penetration. Molecular Weight 984 g/mol: Reactive Red 221 of 984 g/mol molecular weight is applied in silk yarn coloration, where it provides excellent wash fastness and vibrant shades. Stability Temperature 120°C: Reactive Red 221 with stability up to 120°C is utilized in high-temperature dyeing processes, where it maintains chromatic stability and minimizes degradation. Solubility 45 g/L: Reactive Red 221 possessing 45 g/L solubility is implemented in continuous dyeing lines, where it enables rapid dissolution and consistent dye baths. Particle Size D90 35 µm: Reactive Red 221 with D90 particle size of 35 µm is used in inkjet textile printing, where it offers optimal dispersion and print definition. Viscosity 12 mPa·s: Reactive Red 221 at viscosity of 12 mPa·s is employed in pad-dye applications, where it promotes even coating and controlled absorption. Melting Point 192°C: Reactive Red 221 with a melting point of 192°C is selected for thermally cured printing pastes, where it assures thermal integrity and precise color development. |
Competitive Reactive 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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