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HS Code |
716655 |
| Name | Direct Blue 70 |
| Cas Number | 12222-11-2 |
| Molecular Formula | C34H26N6Na4O16S4 |
| Molecular Weight | 1029.87 g/mol |
| Appearance | Dark blue powder |
| Water Solubility | Soluble |
| Dye Type | Direct dye |
| Color Index Number | CI 29250 |
| Applications | Textile dyeing, paper, leather |
| Ec Number | 235-460-2 |
| Ph Value | 6-8 (1% solution) |
| Light Fastness | Moderate |
| Synonyms | Benzo pure blue 4B, Direct Blue 71 |
| Odor | Odorless |
As an accredited Direct Blue 70 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Direct Blue 70 is typically packaged in 25 kg net weight, blue-labeled fiber drums with inner plastic liners for moisture protection. |
| Shipping | Direct Blue 70 is shipped as a chemical dye, typically packed in tightly sealed drums or bags to prevent contamination and moisture exposure. Proper labeling, including hazard information, is essential. It should be transported following local regulations for dyes, with handling precautions to avoid dust inhalation and environmental release. |
| Storage | Direct Blue 70 should be stored in a cool, dry, and well-ventilated area, away from direct sunlight and sources of ignition. The chemical must be kept in tightly sealed containers, clearly labeled, and protected from moisture and incompatible substances, such as strong oxidizers. Ensure storage areas are equipped with appropriate spill containment and that personnel have access to safety equipment. |
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Purity 98%: Direct Blue 70 with purity 98% is used in cotton textile dyeing, where it ensures uniform color penetration and consistent shade reproducibility. Water solubility: Direct Blue 70 with high water solubility is used in paper manufacturing, where it provides rapid dissolution and vivid blue coloration. Light fastness: Direct Blue 70 with high light fastness is used in viscose fiber dyeing, where it offers long-term color retention under UV exposure. Stability temperature 80°C: Direct Blue 70 with stability up to 80°C is used in high-temperature printing baths, where it maintains color strength and resists thermal degradation. pH stability range 6-9: Direct Blue 70 with a pH stability range of 6-9 is used in continuous dyeing processes, where it preserves chromatic properties across varying processing conditions. Molecular weight 900 g/mol: Direct Blue 70 with a molecular weight of 900 g/mol is used in ink formulation, where it achieves optimal flow behavior and dispersion quality. Particle size <5 microns: Direct Blue 70 with particle size below 5 microns is used in paint applications, where it enhances color uniformity and surface coverage. Sodium salt form: Direct Blue 70 in sodium salt form is used in aqueous dye solutions, where it facilitates high solubility and efficient application performance. Electrolyte resistance: Direct Blue 70 with high electrolyte resistance is used in reactive dye blending, where it prevents color migration and precipitation. Low viscosity grade: Direct Blue 70 with low viscosity grade is used in textile screen printing, where it permits smooth application and fine pattern definition. |
Competitive Direct Blue 70 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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