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HS Code |
271407 |
| Productname | Direct Brown RN |
| Chemicalclass | Azo dye |
| C I Number | Direct Brown 1 |
| Casnumber | 6528-34-3 |
| Molecularformula | C17H13N5Na2O7S2 |
| Appearance | Brown powder or granule |
| Solubility | Soluble in water |
| Application | Textile dyeing (cotton, viscose, silk, paper) |
| Shade | Brown |
| Phof1percentsolution | 6-8 |
| Lightfastness | Moderate |
| Ionicnature | Anionic |
| Mainusagemethod | Exhaust and padding processes |
| Packaging | Usually 25 kg bags |
As an accredited Direct Brown RN factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The packaging for Direct Brown RN contains 25kg net, sealed in double-layered polyethylene bags within a sturdy, labeled fiber drum. |
| Shipping | Direct Brown RN is shipped in tightly sealed, moisture-proof bags or drums to prevent contamination and degradation. Standard packaging includes 25 kg fiber drums or woven bags with inner polyethylene lining. The chemical should be stored and transported in a cool, dry place, protected from direct sunlight and incompatible substances. |
| Storage | Direct Brown RN should be stored in a cool, dry, well-ventilated area, away from direct sunlight, heat sources, and incompatible substances such as strong oxidizers. Keep the chemical in tightly closed, properly labeled containers to prevent moisture absorption and contamination. Use suitable shelving and secondary containment to minimize the risk of spills. Follow all relevant safety and regulatory guidelines for chemical storage. |
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Purity 98%: Direct Brown RN with 98% purity is used in textile dyeing processes, where it ensures uniform coloration and high shade consistency. Light Fastness Grade 4: Direct Brown RN of light fastness grade 4 is used in manufacturing cotton fabrics, where it provides resistance to fading under sunlight exposure. Molecular Weight 650 g/mol: Direct Brown RN with molecular weight 650 g/mol is applied in paper staining applications, where it achieves rapid penetration and vivid brown shades. Water Solubility 95 g/L: Direct Brown RN possessing water solubility of 95 g/L is used in leather coloration, where it guarantees homogeneous dye uptake and smooth surface appearance. pH Stability 6-9: Direct Brown RN stable in pH 6-9 is utilized in silk dyeing baths, where it maintains color clarity and prevents dye degradation under variable pH conditions. Stability Temperature 120°C: Direct Brown RN with stability up to 120°C is used in high-temperature dyeing of viscose fibers, where it retains color intensity and prevents decomposition. Particle Size 15 microns: Direct Brown RN featuring 15 micron particle size is used in ink formulations, where it delivers even dispersion and optimal print quality. Moisture Content ≤3%: Direct Brown RN with moisture content less than or equal to 3% is used in dry dye powder blending, where it improves storage stability and consistency in mixtures. Salt Content ≤1%: Direct Brown RN with salt content not exceeding 1% is used in dying formulation for cellulosic fibers, where it minimizes process contamination and reduces wash-off requirements. Viscosity Grade 45 cps: Direct Brown RN at 45 cps viscosity grade is applied in aqueous printing pastes, where it allows controlled flow properties and precise pattern definition. |
Competitive Direct Brown RN 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!
