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HS Code |
393210 |
| Cas Number | 4150-22-3 |
| Ec Number | 223-950-4 |
| Molecular Formula | C44H32N12Na4O12S4 |
| Molecular Weight | 1086.07 |
| Appearance | Black powder |
| Solubility In Water | Soluble |
| Color Index Number | Direct Black 173 |
| Dye Class | Azo dye |
| Ph Value 1gl Aqueous | 6-8 |
| Usage | Textile dyeing |
| Maximum Absorption Wavelength Nm | 600-605 |
| Synonyms | C.I. 22890, Congo Corbeau 2B |
As an accredited Direct Black 173 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Direct Black 173 is packaged in a 25 kg net weight fiber drum with an inner plastic lining, securely sealed and labeled. |
| Shipping | Direct Black 173 is typically shipped in tightly sealed, high-density polyethylene (HDPE) bags or fiber drums with inner plastic lining to prevent moisture absorption and contamination. Containers are clearly labeled and handled as non-hazardous under normal transport regulations. Store and transport in a cool, dry, and well-ventilated location. |
| Storage | Direct Black 173 should be stored in a tightly sealed container, kept in a cool, dry, and well-ventilated area away from direct sunlight, moisture, and incompatible substances such as strong oxidizers. Ensure good ventilation, avoid dust generation, and label containers clearly. Handle with proper protective equipment to prevent skin and eye contact. Store away from food and beverages. |
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Purity 98%: Direct Black 173 with purity 98% is used in cotton fabric dyeing, where it ensures deep and uniform coloration. Solubility in water: Direct Black 173 with high solubility in water is used in textile printing, where it enables fast dye bath preparation and rapid absorption. Average particle size 2 μm: Direct Black 173 with average particle size 2 μm is used in ink formulation, where it improves dispersion and print clarity. Moisture content <1%: Direct Black 173 with moisture content below 1% is used in powder dye blending, where it enhances shelf life and batch consistency. Light fastness grade 4: Direct Black 173 with light fastness grade 4 is used in paper coloring, where it provides moderate resistance to fading under sunlight. Stability temperature 80°C: Direct Black 173 with stability up to 80°C is used in high-temperature dyeing processes, where it maintains dye performance and color integrity. pH stability 6-8: Direct Black 173 with pH stability between 6 and 8 is used in industrial dye baths, where it ensures color reproducibility across different fabric types. Melting point 260°C: Direct Black 173 with a melting point of 260°C is used in thermal processing of fiber, where it resists degradation during heat treatment. Viscosity grade low: Direct Black 173 with low viscosity grade is used in liquid dye applications, where it facilitates even flow and application efficiency. Chromatic strength 120%: Direct Black 173 with chromatic strength 120% is used in black ink manufacturing, where it delivers intense black coloration and superior coverage. |
Competitive Direct Black 173 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!
