[1,1'-Biphenyl]-2,2'-Disulfonicacid, 4,4'-Bis[(2-Hydroxy-6-Sulfo-1-Naphthalenyl)Azo]-, Tetrasodium Salt (9Ci)
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HS Code |
298974 |
| Chemical Name | [1,1'-Biphenyl]-2,2'-Disulfonic acid, 4,4'-Bis[(2-Hydroxy-6-Sulfo-1-Naphthalenyl)Azo]-, Tetrasodium Salt |
| Common Name | Congo Red |
| Molecular Formula | C32H22N6Na4O14S4 |
| Molecular Weight | 696.68 g/mol |
| Cas Number | 573-58-0 |
| Appearance | Reddish-brown powder |
| Solubility | Soluble in water |
| Melting Point | Decomposes |
| Usage | Biological stain, pH indicator, dyeing textiles |
| Synonyms | C.I. 22120, Direct Red 28 |
| Pubchem Cid | 11313 |
| Inchi Key | XSAMNGPHMQFMRQ-IBGZPJMESA-L |
| Ec Number | 209-358-4 |
| Odor | Odorless |
| Storage Conditions | Keep container tightly closed in a dry and well-ventilated place |
As an accredited [1,1'-Biphenyl]-2,2'-Disulfonicacid, 4,4'-Bis[(2-Hydroxy-6-Sulfo-1-Naphthalenyl)Azo]-, Tetrasodium Salt (9Ci) factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The 100g quantity of [1,1'-Biphenyl]-2,2'-Disulfonic acid tetrasodium salt is packaged in a sealed, amber glass bottle. |
| Storage | Store [1,1'-Biphenyl]-2,2'-Disulfonic acid, 4,4'-Bis[(2-Hydroxy-6-Sulfo-1-Naphthalenyl)Azo]-, Tetrasodium Salt (9Ci) in a tightly sealed container, in a cool, dry, and well-ventilated area away from incompatible substances such as strong acids or oxidizers. Avoid exposure to moisture and direct sunlight. Practice standard laboratory chemical safety and ensure appropriate labeling and containment to prevent contamination or accidental release. |
| Shipping | The chemical **[1,1'-Biphenyl]-2,2'-Disulfonic acid, 4,4'-Bis[(2-Hydroxy-6-Sulfo-1-Naphthalenyl)Azo]-, Tetrasodium Salt (9Ci)** should be shipped in tightly sealed containers, protected from moisture and light. Packaging must comply with relevant chemical transport regulations, including appropriate labeling and documentation for safe handling and transport. Temperature control may be required depending on stability data. |
Competitive [1,1'-Biphenyl]-2,2'-Disulfonicacid, 4,4'-Bis[(2-Hydroxy-6-Sulfo-1-Naphthalenyl)Azo]-, Tetrasodium Salt (9Ci) prices that fit your budget—flexible terms and customized quotes for every order.
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