Disodium 7-Hydroxy-8-[(E)-{4-[(E)-Phenyldiazenyl]Phenyl}Diazenyl]Naphthalene-1,3-Disulfonate
|
HS Code |
631618 |
| Chemical Name | Disodium 7-Hydroxy-8-[(E)-{4-[(E)-Phenyldiazenyl]Phenyl}Diazenyl]Naphthalene-1,3-Disulfonate |
| Cas Number | 523-44-4 |
| Molecular Formula | C22H14N4Na2O7S2 |
| Molecular Weight | 556.48 g/mol |
| Appearance | Red to reddish-brown powder |
| Solubility In Water | Soluble |
| Melting Point | Decomposes before melting |
| Application | Azo dye, commonly used as a pH indicator (also known as Congo red) |
| Storage Conditions | Store in a tightly closed container, in a cool, dry place |
| Hazard Class | Irritant |
| Synonyms | Congo red, C.I. 22120 |
| Odor | Odorless |
| Ph Indicator Range | 3.0 to 5.0 |
| Stability | Stable under normal temperatures and pressures |
| Ec Number | 208-353-2 |
As an accredited Disodium 7-Hydroxy-8-[(E)-{4-[(E)-Phenyldiazenyl]Phenyl}Diazenyl]Naphthalene-1,3-Disulfonate factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | 500g of Disodium 7-Hydroxy-8-[(E)-{4-[(E)-Phenyldiazenyl]Phenyl}Diazenyl]Naphthalene-1,3-Disulfonate in a sealed amber glass bottle. |
| Storage | Store Disodium 7-Hydroxy-8-[(E)-{4-[(E)-Phenyldiazenyl]Phenyl}Diazenyl]Naphthalene-1,3-Disulfonate in a tightly sealed container, in a cool, dry place, away from incompatible substances such as strong oxidizers and acids. Keep away from direct sunlight and sources of ignition. Ensure good ventilation in the storage area and handle with appropriate personal protective equipment to avoid ingestion, inhalation, or skin and eye contact. |
| Shipping | Disodium 7-Hydroxy-8-[(E)-{4-[(E)-Phenyldiazenyl]Phenyl}Diazenyl]Naphthalene-1,3-Disulfonate is typically shipped in tightly sealed containers, protected from light and moisture. It must be labeled as a chemical substance, with appropriate hazard information, and transported in accordance with local, national, and international chemical shipping regulations. |
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