|
HS Code |
801696 |
| Product Name | Direct Congo Red 4B |
| Cas Number | 573-58-0 |
| Chemical Formula | C32H22N6Na2O6S2 |
| Molar Mass | 696.66 g/mol |
| Appearance | Red to dark brown powder |
| Solubility In Water | Easily soluble |
| Dye Class | Azo dye (Direct dye) |
| Maximum Absorption Wavelength | 498 nm |
| Ph Range For Use | 3.0 - 7.0 |
| Melting Point | Approximately 360°C (decomposes) |
| Synonyms | Congo Red, Direct Red 28 |
| Storage Conditions | Keep in a cool, dry, well-ventilated area |
| Light Fastness | Moderate |
| Toxicity | May cause irritation |
| Usage | Textile dyeing, laboratory staining |
As an accredited Direct Congo Red 4B factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The packaging for Direct Congo Red 4B features a sturdy 25 kg woven bag, labeled with product details, brand, and safety instructions. |
| Shipping | Direct Congo Red 4B is shipped in tightly sealed, chemical-resistant containers to prevent leaks and contamination. Packaging complies with international transport regulations for hazardous substances. Containers are clearly labeled, protected from moisture and direct sunlight, and handled according to safety guidelines to ensure safe, secure delivery during transit. |
| Storage | Direct Congo Red 4B should be stored in a tightly sealed container in a cool, dry, and well-ventilated area, away from direct sunlight and incompatible substances such as strong oxidizers. Ensure proper labeling and keep the container away from sources of ignition. Avoid moisture and store at room temperature to maintain chemical stability and prevent degradation. |
Competitive Direct Congo Red 4B prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please contact us at +8615365186327 or mail to sales3@ascent-chem.com.
We will respond to you as soon as possible.
Tel: +8615365186327
Email: sales3@ascent-chem.com
Flexible payment, competitive price, premium service - Inquire now!
