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HS Code |
580781 |
| Chemical Name | Direct Brown 75 |
| Synonyms | C.I. Direct Brown 75 |
| Cas Number | 16071-86-6 |
| Molecular Formula | C31H21N5Na2O8S2 |
| Molecular Weight | 717.65 g/mol |
| Appearance | Brown powder |
| Type | Azo dye |
| Solubility In Water | Soluble |
| Application | Textile dyeing |
| Color Index Number | C.I. 40020 |
| Ec Number | 240-369-9 |
| Maximum Absorption Wavelength | 505 nm |
As an accredited Direct Brown 75 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Direct Brown 75 is packaged in a 25 kg woven plastic bag with inner polyethylene lining for moisture protection and secure transport. |
| Shipping | Direct Brown 75 is typically shipped in tightly sealed, clearly labeled fiber drums or bags, lined with inner plastic bags to prevent moisture contamination. Packages are secured to avoid spillage or damage during transit, in compliance with relevant safety and international transport regulations for chemicals. Store in a cool, dry place. |
| Storage | Direct Brown 75 should be stored in a tightly sealed container, away from moisture, direct sunlight, and incompatible substances. Store in a cool, dry, and well-ventilated area. Avoid sources of ignition and strong oxidizing agents. Properly label the container and ensure access is restricted to trained personnel. Follow all relevant safety guidelines and regulations when handling or storing this chemical. |
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Purity 95%: Direct Brown 75 with 95% purity is used in cotton fabric dyeing, where high color yield and uniform shade are achieved. Molecular Weight 700 g/mol: Direct Brown 75 of 700 g/mol is used in paper tinting applications, where consistent penetration and fastness are observed. Light Fastness Grade 4: Direct Brown 75 with light fastness grade 4 is used in viscose rayon processing, where improved resistance to fading under sunlight is obtained. Particle Size 10 µm: Direct Brown 75 with a particle size of 10 µm is used in textile printing, where sharp pattern definition and minimal bleeding result. Stability Temperature 120°C: Direct Brown 75 stable up to 120°C is used in hot dye bath operations, where reliable dye dispersion and shade reproducibility are maintained. Water Solubility 90 g/L: Direct Brown 75 with a water solubility of 90 g/L is used in leather dyeing, where rapid dissolution and efficient uptake ensure deep penetration. pH Tolerance 4-9: Direct Brown 75 with pH tolerance 4-9 is used in multi-fiber dyeing, where process flexibility and color stability are improved. Sodium Salt Content 8%: Direct Brown 75 with sodium salt content of 8% is used in ink manufacturing, where enhanced solubility and ink homogeneity are achieved. |
Competitive Direct Brown 75 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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