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HS Code |
268998 |
| Product Name | Sulfur Blue 7 |
| C I Name | Sulphur Blue 7 |
| C I Number | 53105 |
| Chemical Formula | C24H20N6Na2O8S2 |
| Appearance | Dark blue powder or granules |
| Solubility | Insoluble in water, soluble in sodium sulfide solution |
| Application | Textile dyeing, mainly for cotton |
| Molecular Weight | 626.57 g/mol |
| Hue | Blue |
| Melting Point | Decomposes before melting |
| Cas Number | 12227-67-7 |
| Light Fastness | Good |
| Odor | Slight characteristic odor |
| Stability | Stable under normal conditions |
| Storage Condition | Store in a cool, dry place |
As an accredited Sulfur Blue 7 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Sulfur Blue 7 is packaged in a sealed, blue-labeled 25 kg fiber drum with hazard symbols and clear product identification. |
| Shipping | Sulfur Blue 7 is shipped in tightly sealed, corrosion-resistant containers to prevent moisture and contamination. It should be stored in a cool, dry, well-ventilated area, away from strong oxidizers. Proper labeling and documentation are required, following relevant transport regulations for chemicals to ensure safe handling during transit. |
| Storage | Sulfur Blue 7 should be stored in a cool, dry, and well-ventilated area, away from direct sunlight, heat sources, and incompatible substances such as strong acids and oxidizing agents. The container must be tightly closed and properly labeled to prevent moisture absorption and contamination. Handle with care using appropriate personal protective equipment to avoid dust formation and inhalation. |
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Purity 98%: Sulfur Blue 7 with 98% purity is used in textile dyeing of cotton fabrics, where it delivers deep shade uniformity and enhanced colorfastness. Molecular weight 350 g/mol: Sulfur Blue 7 of 350 g/mol molecular weight is used in continuous dyeing processes, where it provides consistent penetration and dye uptake. Solubility high: Sulfur Blue 7 with high solubility is used in exhaust dyeing of viscose fibers, where it ensures rapid and complete dissolution for level dyeing. Melting point 220°C: Sulfur Blue 7 with a melting point of 220°C is used in high-temperature dye baths, where it maintains dye stability and prevents decomposition. Particle size D50 5 µm: Sulfur Blue 7 with a particle size D50 of 5 µm is used in pigment printing, where it improves dispersion and print definition on cellulose materials. Stability temperature up to 120°C: Sulfur Blue 7 with stability up to 120°C is used in autoclave dyeing, where it resists thermal degradation for reliable results. Viscosity low: Sulfur Blue 7 of low viscosity type is used in pad-dyeing applications, where it allows even fabric impregnation and minimizes streaking issues. Light fastness grade 4: Sulfur Blue 7 with light fastness grade 4 is used in home textile manufacturing, where it provides moderate resistance to fading under sunlight exposure. Wash fastness grade 4: Sulfur Blue 7 with wash fastness grade 4 is used in garment dyeing, where it ensures durable color retention after multiple laundering cycles. Salt tolerance high: Sulfur Blue 7 with high salt tolerance is used in bulk dyeing operations, where it maintains stable performance despite strong electrolyte concentrations. |
Competitive Sulfur Blue 7 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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