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HS Code |
663840 |
| Product Name | Direct Brown 3G |
| Cas Number | 6428-31-5 |
| Ec Number | 229-207-2 |
| Molecular Formula | C19H15N5Na2O7S2 |
| Molecular Weight | 567.46 g/mol |
| Color Index Number | 30145 |
| Physical Appearance | Brown powder |
| Solubility In Water | Soluble |
| Application | Textile dyeing |
| Melting Point | Decomposes |
| Synonyms | Direct Brown 31, Brown 3G |
| Class | Azo dye |
As an accredited Direct Brown 3G factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The packaging for Direct Brown 3G features a sturdy 25 kg fiber drum, clearly labeled with product name, batch number, and safety instructions. |
| Shipping | Direct Brown 3G is shipped in tightly sealed, clearly labeled containers, typically fiber drums or bags with inner linings, to prevent moisture absorption and contamination. Packaging ensures safety during transport and handling. All shipping complies with regulations regarding hazardous chemicals, including proper documentation and safety data sheets for safe tracking and delivery. |
| Storage | Direct Brown 3G should be stored in a tightly sealed container, protected from moisture, heat, and direct sunlight. Store it in a cool, dry, and well-ventilated area away from incompatible substances such as strong oxidizers. Ensure the storage area is clearly labeled and equipped to manage spills. Use appropriate personal protective equipment (PPE) when handling the chemical. |
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Purity 97%: Direct Brown 3G with purity 97% is used in cotton fabric dyeing, where it delivers enhanced color vibrancy and consistency. Molecular Weight 600 g/mol: Direct Brown 3G with molecular weight 600 g/mol is used in paper staining, where it provides uniform shade distribution and strong binding. pH Stability 4-7: Direct Brown 3G with pH stability of 4-7 is used in silk dyeing, where it maintains dye integrity and resists color fading under variable processing conditions. Solubility 50 g/L at 25°C: Direct Brown 3G with solubility of 50 g/L at 25°C is used in textile printing, where it ensures rapid dissolution and homogenous color application. Light Fastness Grade 4: Direct Brown 3G with light fastness grade 4 is used in garment coloration, where it enhances resistance to fading on exposure to sunlight. Heat Stability up to 120°C: Direct Brown 3G with heat stability up to 120°C is used in viscose fiber dyeing, where it prevents discoloration during high-temperature processing. Particle Size D(50) 10 µm: Direct Brown 3G with particle size D(50) of 10 µm is used in leather finishing, where it promotes smooth surface coverage and even tone development. Moisture Content ≤5%: Direct Brown 3G with moisture content ≤5% is used in synthetic yarn dyeing, where it reduces clumping and enhances dispersion in dye baths. Dispersibility 98%: Direct Brown 3G with dispersibility of 98% is used in paper pulp coloring, where it achieves rapid and complete color penetration. Melting Point 220°C: Direct Brown 3G with a melting point of 220°C is used in nonwoven fabric dyeing, where it sustains dye quality during thermal treatments. |
Competitive Direct Brown 3G 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!
