C.I. Direct Black 9Disodium 8-Amino-5-[(E)-{4-[(2Z)-2-{7-[(E)-(2,4-Diaminophenyl)Diazenyl]-1-Oxo-3-Sulfonatonaphthalen-2(1H)-Ylidene}Hydrazinyl]Phenyl}Diazenyl]Naphthalene-2-Sulfonate
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HS Code |
720536 |
| Product Name | C.I. Direct Black 9 |
| Chemical Name | Disodium 8-Amino-5-[(E)-{4-[(2Z)-2-{7-[(E)-(2,4-Diaminophenyl)Diazenyl]-1-Oxo-3-Sulfonatonaphthalen-2(1H)-Ylidene}Hydrazinyl]Phenyl}Diazenyl]Naphthalene-2-Sulfonate |
| Other Names | Direct Black 9, Direct Deep Black EX, Solexine Black B |
| Cas Number | 3626-28-6 |
| Molecular Formula | C34H24N10Na2O8S2 |
| Molecular Weight | 802.73 g/mol |
| Appearance | Dark black powder or crystals |
| Solubility In Water | Soluble |
| Application | Textile dye, paper dye, leather dye |
| Melting Point | Decomposes |
| Ec Number | 222-856-0 |
| Absorption Maximum | 595-600 nm (water solution) |
| Storage Conditions | Keep in tightly closed container, dry, cool, and well-ventilated place |
| Hazard Statements | May cause allergic skin reaction; avoid inhalation and contact with skin |
| Synonyms | Black EX, Benzidine Black |
As an accredited C.I. Direct Black 9Disodium 8-Amino-5-[(E)-{4-[(2Z)-2-{7-[(E)-(2,4-Diaminophenyl)Diazenyl]-1-Oxo-3-Sulfonatonaphthalen-2(1H)-Ylidene}Hydrazinyl]Phenyl}Diazenyl]Naphthalene-2-Sulfonate factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The chemical is packaged in a 25 kg fiber drum lined with polyethene, clearly labeled with product name, formula, and hazard information. |
| Shipping | Shipping for C.I. Direct Black 9 (Disodium 8-Amino-5-[(E)-{4-[(2Z)-2-{7-[(E)-(2,4-Diaminophenyl)diazenyl]-1-oxo-3-sulfonatonaphthalen-2(1H)-ylidene}hydrazinyl]phenyl}diazenyl]naphthalene-2-sulfonate) requires secure, sealed containers, careful labeling, and protection from moisture. Transport as a non-hazardous dye under standard chemical regulations, with documentation and appropriate hazard communication in accordance with local and international shipping laws for industrial chemicals. |
| Storage | C.I. Direct Black 9 (Disodium 8-amino-5-[(E)...naphthalene-2-sulfonate) should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area, away from direct sunlight, moisture, and incompatible substances such as strong oxidizers. Ensure good housekeeping to avoid dust formation. Store away from food and drink items, and keep container clearly labeled. |
Competitive C.I. Direct Black 9Disodium 8-Amino-5-[(E)-{4-[(2Z)-2-{7-[(E)-(2,4-Diaminophenyl)Diazenyl]-1-Oxo-3-Sulfonatonaphthalen-2(1H)-Ylidene}Hydrazinyl]Phenyl}Diazenyl]Naphthalene-2-Sulfonate prices that fit your budget—flexible terms and customized quotes for every order.
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