© 2026 Sinochem Nanjing Corporation,
All Right Reserved
|
HS Code |
369780 |
| Name | Direct Red 23 |
| Other Names | Congo Red |
| Chemical Formula | C32H22N6Na2O6S2 |
| Molar Mass | 696.66 g/mol |
| Cas Number | 4390-16-9 |
| Appearance | Red to dark brown powder |
| Solubility In Water | Soluble |
| Maximum Absorption Wavelength | 497 nm |
| Melting Point | Decomposes |
| Ec Number | 224-029-1 |
| Application | Textile dye |
| Hazard Statements | May cause cancer |
| Ph Range | 6.5 – 7.5 (aqueous solution) |
As an accredited Direct Red 23 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The packaging for Direct Red 23 contains 500g of dark reddish powder, sealed in a labeled, tamper-evident, high-density polyethylene bottle. |
| Storage | Direct Red 23 should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area away from incompatible substances such as strong oxidizing agents. Protect it from moisture and direct sunlight. Ensure the storage area is equipped with appropriate containment to prevent environmental contamination and label containers clearly. Follow all relevant safety guidelines and regulations. |
| Shipping | Direct Red 23 should be shipped in tightly sealed containers, clearly labeled, and protected from moisture and direct sunlight. Transport in compliance with local, national, and international regulations for hazardous chemicals. Use suitable packaging to prevent leaks and spills, and ensure the shipping documentation lists all safety and handling information. |
Competitive Direct Red 23 prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please call us at +8615371019725 or mail to sales7@sinochem-nanjing.com.
We will respond to you as soon as possible.
Tel: +8615371019725
Email: sales7@sinochem-nanjing.com
