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HS Code |
924926 |
| Product Name | Direct Brown 79 |
| Cas Number | 12217-49-3 |
| Chemical Formula | C40H26N10Na4O16S4 |
| Molecular Weight | 1139.02 g/mol |
| Appearance | Brown powder |
| Solubility | Soluble in water |
| C I Number | 35125 |
| Dye Class | Azo dye, Direct dye |
| Application | Textile dyeing (cotton, paper, leather) |
| Maximum Absorption Wavelength | 570-610 nm |
| Ph Stability Range | 5-8 |
| Iupac Name | Tetrasodium 6,6'-{4,4'-bis[(4-aminophenyl)diazenyl][1,1'-biphenyl]-2,2'-disulfonate} |
As an accredited Direct Brown 79 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The packaging for Direct Brown 79 typically consists of a 25 kg net weight fiber drum with a sealed inner polythene liner. |
| Shipping | Direct Brown 79 is typically shipped in tightly sealed, high-density polyethylene (HDPE) drums or bags to prevent moisture absorption and contamination. Packages are clearly labeled and transported in accordance with local and international chemical safety regulations, ensuring the chemical remains stable, dry, and intact during transit. |
| Storage | Direct Brown 79 should be stored in a cool, dry, and well-ventilated area, away from direct sunlight and sources of heat or ignition. Keep the container tightly closed and properly labeled. Avoid contact with oxidizing agents and moisture. Store in a chemical-resistant, compatible container, and ensure proper containment to prevent spillage or contamination of the environment. |
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Purity 98%: Direct Brown 79 with 98% purity is used in textile dyeing processes, where it provides consistent shade reproducibility across multiple fabric batches. Molecular Weight 700 g/mol: Direct Brown 79 with a molecular weight of 700 g/mol is used in cotton fabric printing, where it delivers high color yield and excellent penetration. Aqueous Solubility 80 g/L: Direct Brown 79 with aqueous solubility of 80 g/L is used in continuous dyeing machines, where it ensures rapid dye dissolution and uniform fabric absorption. Light Fastness Grade 4: Direct Brown 79 with light fastness grade 4 is used in garment manufacturing, where it achieves improved color retention under prolonged exposure to sunlight. Stability Temperature 120°C: Direct Brown 79 with stability temperature of 120°C is used in high-temperature dyeing applications, where it maintains chromatic integrity without thermal degradation. Particle Size <10 µm: Direct Brown 79 with particle size less than 10 microns is used in ink formulation, where it produces smooth dispersion and minimizes clogging in printing heads. Melting Point 250°C: Direct Brown 79 with a melting point of 250°C is used in pigment compounding, where it enables thermal processing without risk of decomposition. pH Stability Range 5-8: Direct Brown 79 with pH stability range of 5 to 8 is used in paper dyeing, where it offers reliable performance under variable acidic and neutral conditions. Salt Tolerance 60 g/L: Direct Brown 79 with salt tolerance up to 60 g/L is used in salt-rich dye baths, where it maintains color intensity and even application. Dispersibility Index 95%: Direct Brown 79 with dispersibility index of 95% is used in aqueous coating formulations, where it achieves homogeneous color distribution and prevents pigment settling. |
Competitive Direct Brown 79 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!
