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HS Code |
382109 |
| Product Name | Reactive Blue 221 |
| Cas Number | 100316-11-0 |
| Ec Number | 600-079-8 |
| Appearance | Blue powder or granules |
| Molecular Formula | C29H15Cl3N9Na3O11S3 |
| Molecular Weight | 968.0 g/mol |
| Dye Class | Reactive dye |
| Solubility | Soluble in water |
| Application | Textile dyeing (mainly cotton) |
| Color Index Number | Reactive Blue 221 |
| Light Fastness | Good |
| Ph Value | 6-8 (1% solution) |
| Storage Conditions | Keep in a cool, dry place |
| Maximum Absorption Wavelength | Around 610 nm |
| Compatibility | Compatible with cellulosic fibers |
As an accredited Reactive Blue 221 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Reactive Blue 221 is packaged in 25 kg fiber drums, lined with plastic bags for moisture protection, clearly labeled with product details. |
| Shipping | Reactive Blue 221 should be shipped in tightly sealed, labeled containers, protected from moisture and direct sunlight. Store and transport in a cool, dry, and well-ventilated area. Handle with care to avoid spills, and comply with applicable chemical transport regulations to ensure safety during transit. Use appropriate personal protective equipment. |
| Storage | Reactive Blue 221 should be stored in a tightly sealed container, away from moisture, heat, and direct sunlight. Keep it in a cool, dry, well-ventilated area, separate from incompatible substances such as strong oxidizers and reducing agents. Ensure proper labeling and avoid contact with skin or eyes. Follow local regulations for safe chemical storage and disposal. |
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Purity 98%: Reactive Blue 221 with 98% purity is used in cellulose fiber dyeing, where it enables high color yield and reproducibility. Molecular weight 909.7 g/mol: Reactive Blue 221 with a molecular weight of 909.7 g/mol is used in continuous dyeing processes, where it ensures consistent dye penetration and shade uniformity. Stability temperature 60°C: Reactive Blue 221 with a stability temperature of 60°C is used in exhaust dyeing of cotton, where it provides excellent dye fixation and wash fastness. Solubility 80 g/L at 20°C: Reactive Blue 221 with solubility of 80 g/L at 20°C is used in textile printing, where it allows for easy preparation of concentrated print pastes and sharp design definition. Particle size <10 microns: Reactive Blue 221 with particle size less than 10 microns is used in reactive inkjet inks, where it delivers smooth ink flow and prevents nozzle clogging. pH stability 4-10: Reactive Blue 221 with pH stability from 4 to 10 is used in wet-on-wet dyeing applications, where it maintains consistent shade and minimizes hydrolysis. Moisture content <1%: Reactive Blue 221 with moisture content less than 1% is used in powder dye formulations, where it improves storage stability and prevents caking. Light fastness grade 5: Reactive Blue 221 with light fastness grade 5 is used in high-visibility workwear dyeing, where it offers durable color retention under UV exposure. Reactive group vinyl sulfone: Reactive Blue 221 with a vinyl sulfone reactive group is used in eco-friendly dyeing systems, where it ensures efficient dye-fiber bonding and reduced effluent load. Absorption peak 605 nm: Reactive Blue 221 with an absorption peak at 605 nm is used in spectrophotometric textile analysis, where it supports precise color matching and quality control. |
Competitive Reactive Blue 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
Flexible payment, competitive price, premium service - Inquire now!
