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HS Code |
430350 |
| Product Name | Direct Brown M |
| Chemical Class | Azo dye |
| Appearance | Brown powder |
| Solubility | Soluble in water |
| Molecular Formula | C19H17N5Na2O7S2 |
| Molecular Weight | 553.48 g/mol |
| Color Index | Direct Brown 2 |
| Application | Textile dyeing |
| Light Fastness | Moderate |
| Ph Range | 5-7 |
| Cas Number | 2429-82-5 |
| Stability | Stable under normal conditions |
| Ionic Nature | Anionic |
As an accredited Direct Brown M factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Direct Brown M is typically packaged in 25 kg net weight fiber drums, lined with polyethylene bags, and clearly labeled for identification. |
| Shipping | Direct Brown M should be shipped in tightly sealed containers, protected from moisture and sunlight. Store in a cool, dry, well-ventilated area, away from incompatible substances. Handle with appropriate protective equipment. The product must be properly labeled and comply with relevant transport regulations for chemicals, including UN number and hazard classifications if applicable. |
| Storage | Direct Brown M should be stored in a cool, dry, and well-ventilated area, away from direct sunlight, heat sources, and incompatible substances such as strong oxidizers. Keep the container tightly closed and clearly labeled. Prevent moisture ingress and protect from physical damage. Ensure storage facilities are equipped with suitable containment to avoid environmental contamination in case of spills or leaks. |
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Purity 96%: Direct Brown M with a purity of 96% is used in cotton fabric dyeing, where consistent color intensity and uniform shade reproducibility are ensured. Molecular weight 630 g/mol: Direct Brown M with a molecular weight of 630 g/mol is used in viscose rayon processing, where efficient fiber penetration and strong bonding are achieved. pH stability 5-9: Direct Brown M featuring pH stability in the range of 5-9 is applied in paper coloration, where color integrity is maintained across varying slurry conditions. Light fastness grade 4: Direct Brown M with a light fastness grade of 4 is used in jute bag production, where the dyed material exhibits resistance to fading under sunlight exposure. Solubility 50 g/L at 25°C: Direct Brown M exhibiting solubility of 50 g/L at 25°C is employed in leather tanning, where rapid dye uptake and homogenous hue are obtained. Particle size <40 μm: Direct Brown M with particle size below 40 μm is incorporated in wool dyeing, where smooth dispersion and minimal sedimentation are facilitated. Stability temperature up to 60°C: Direct Brown M stable up to 60°C is used in continuous dyeing processes, where dye performance is preserved under elevated operational temperatures. Melting point 180°C: Direct Brown M with a melting point of 180°C is utilized in ink formulation, where thermal stability and color retention are guaranteed during print drying. Sulfonic group content 18%: Direct Brown M with 18% sulfonic group content is adopted in nylon dyeing, where strong anionic interaction improves dye affinity and wash fastness. Viscosity 1.2 cP at 20°C: Direct Brown M with a viscosity of 1.2 cP at 20°C is used in textile printing pastes, where smooth flow and sharp pattern definition are realized. |
Competitive Direct Brown M 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!
