Chromium(3+) Sodium 7-Nitro-3-Oxido-4-[(2-Oxidonaphthalen-1-Yl)Diazenyl]Naphthalene-1-Sulfonate (1:3:2)
|
HS Code |
518352 |
| Chemical Name | Chromium(3+) Sodium 7-Nitro-3-Oxido-4-[(2-Oxidonaphthalen-1-Yl)Diazenyl]Naphthalene-1-Sulfonate (1:3:2) |
| Formula | C20H10CrN5Na3O8S2 |
| Molecular Weight | 645.48 g/mol |
| Appearance | solid (typically powder or crystalline) |
| Color | commonly red-violet or deep red |
| Solubility | soluble in water |
| Charge | Neutral compound, composed of Cr3+, Na+ (3), and organic sulfonate anion (2) |
| Component Ratio | 1:3:2 (Cr3+ : Na+ : organic ligand) |
| Usage | mainly as a complexometric indicator |
| Cas Number | 58173-90-7 |
| Ph Range For Use | approximately 6 - 11 |
| Storage Conditions | store at room temperature, away from light |
| Stability | stable under recommended storage conditions |
| Synonym | Eriochrome Black T Chromium(III) Complex |
As an accredited Chromium(3+) Sodium 7-Nitro-3-Oxido-4-[(2-Oxidonaphthalen-1-Yl)Diazenyl]Naphthalene-1-Sulfonate (1:3:2) factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The chemical is supplied in a 100-gram amber glass bottle with a tamper-evident cap, labeled with full compound details. |
| Storage | Chromium(3+) Sodium 7-Nitro-3-Oxido-4-[(2-Oxidonaphthalen-1-Yl)Diazenyl]Naphthalene-1-Sulfonate (1:3:2) should be stored in a tightly sealed container, protected from light and moisture, in a cool, dry, and well-ventilated area. Keep away from incompatible substances such as strong oxidizers and acids. Ensure proper chemical labeling and access limited to trained personnel. |
| Shipping | Shipping of Chromium(3+) Sodium 7-Nitro-3-oxido-4-[(2-oxidonaphthalen-1-yl)diazenyl]naphthalene-1-sulfonate (1:3:2) must comply with relevant chemical regulations. Package securely in airtight, compatible containers. Clearly label with hazard information. Use secondary containment to prevent leaks. Transport via certified carriers and observe temperature, segregation, and documentation requirements as per local and international guidelines. |
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