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HS Code |
550735 |
| Chemical Name | Congo Red |
| Chemical Formula | C32H22N6Na2O6S2 |
| Molar Mass | 696.66 g/mol |
| Appearance | Red-brown powder |
| Solubility In Water | Soluble |
| Melting Point | 360°C (dec.) |
| Color Index Number | 22120 |
| Ph Range As Indicator | 3.0 (blue) to 5.0 (red) |
| Cas Number | 573-58-0 |
| Synonyms | Direct Red 28 |
As an accredited Congo Red factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Congo Red is packaged in a sealed, labeled amber glass bottle containing 100 grams, with hazard symbols and handling instructions clearly displayed. |
| Shipping | Congo Red should be shipped in tightly sealed containers protected from light, moisture, and physical damage. It must be labeled according to regulatory requirements, including hazard identification. Transportation should follow local and international regulations for chemicals, ensuring appropriate documentation and handling to prevent spills or exposure during transit. |
| Storage | Congo Red should be stored in a tightly closed container in a cool, dry, well-ventilated area, away from incompatible substances such as strong oxidizers. Protect it from moisture, light, and direct sunlight. It is advisable to keep the chemical in a dedicated chemical storage cabinet, clearly labeled, and inaccessible to unauthorized personnel. Always follow local regulations and safety guidelines for chemical storage. |
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Purity 98%: Congo Red with 98% purity is used in histological staining of biological tissues, where enhanced staining contrast enables precise cellular differentiation. Molecular Weight 696.66 g/mol: Congo Red with molecular weight 696.66 g/mol is used in protein aggregation assays, where reliable molecular interaction measurements improve amyloid detection sensitivity. Melting Point 360°C: Congo Red with a melting point of 360°C is used in industrial high-temperature dyeing processes, where thermal stability ensures consistent coloration without decomposition. Solubility in Water 36 g/L: Congo Red with water solubility of 36 g/L is used in textile dyeing applications, where high solubility allows uniform dye uptake in fabric processing. Particle Size <10 microns: Congo Red with particle size below 10 microns is used in ink manufacturing, where fine dispersion quality results in smooth print resolution and minimized clogging. Stability pH Range 4-10: Congo Red stable in the pH range of 4-10 is used in acid-base titrations, where stability allows accurate endpoint detection across diverse chemical environments. Absorption Maximum 497 nm: Congo Red with absorption maximum at 497 nm is used in spectrophotometric analyses, where defined absorbance permits precise quantitative measurements of analytes. |
Competitive Congo Red 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
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