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HS Code |
383835 |
| Cas Number | 2429-82-5 |
| Molecular Formula | C34H24N6Na4O16S4 |
| Molecular Weight | 992.89 g/mol |
| Appearance | Black powder or granules |
| Solubility In Water | Soluble |
| Melting Point | Decomposes |
| Iupac Name | Tetrasodium 6-amino-4-hydroxy-3-((4-nitrophenyl)azo)-2-naphthalenesulfonate |
| Application | Textile dye |
| Synonyms | Naphthol Black, Black Direct 155 |
| Color Index Number | DB9, C.I. 30235 |
As an accredited Direct Black 9 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Direct Black 9 is typically packaged in a 25 kg woven plastic bag with inner polyethylene lining, clearly labeled with product details. |
| Shipping | Direct Black 9 is shipped as a solid dye, typically packed in sealed, labeled drums or bags to prevent moisture exposure and contamination. Packages must comply with international regulations, including labeling for safe handling and transport. Store and ship in a cool, dry place away from incompatible materials, ensuring secure containment to avoid spillage. |
| Storage | Direct Black 9 should be stored in a tightly closed container in a cool, dry, and well-ventilated area, away from direct sunlight and incompatible substances such as strong oxidizers. Avoid contact with moisture to prevent clumping and degradation. Ensure that storage areas are equipped with proper spill containment measures and clearly labeled to avoid accidental exposure or misuse. |
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Purity 98%: Direct Black 9 with purity 98% is used in textile dyeing, where high chromatic strength ensures uniform fabric coloration. Molecular weight 616 g/mol: Direct Black 9 with molecular weight 616 g/mol is utilized in paper printing, where consistent molecular distribution provides sharp image transfer. Solubility in water 40 g/L: Direct Black 9 with water solubility of 40 g/L is applied in ink formulations, where high solubility enables rapid ink dispersion. Stability temperature 120°C: Direct Black 9 with stability temperature 120°C is used in high-temperature dye baths, where thermal resistance prevents color fading. Particle size 5 microns: Direct Black 9 with particle size 5 microns is employed in leather staining, where fine dispersibility results in smooth and even coloration. pH stability range 4-9: Direct Black 9 with pH stability range 4-9 is used in aqueous dye solutions, where reliable color performance is maintained across variable pH conditions. Light fastness grade 5: Direct Black 9 with light fastness grade 5 is applied in outdoor fabric dyeing, where enhanced light resistance provides long-term color retention. Ash content ≤ 1%: Direct Black 9 with ash content ≤ 1% is used in cosmetic formulations, where low residue levels prevent product contamination. Melting point 350°C: Direct Black 9 with melting point 350°C is utilized in heat-set printing processes, where high thermal stability prevents dye decomposition. Bulk density 0.6 g/cm³: Direct Black 9 with bulk density 0.6 g/cm³ is used in powdered dye mixers, where optimal density allows homogeneous blending. |
Competitive Direct Black 9 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!
