|
HS Code |
242149 |
| Chemical Name | 4,4'-Dihydroxy-7,7'-Ureylenedi(Naphthalene-2-Sulphonic Acid) |
| Cas Number | 19490-78-9 |
| Molecular Formula | C21H16N2O9S2 |
| Molecular Weight | 520.49 g/mol |
| Appearance | Yellow to brown powder |
| Solubility | Soluble in water |
| Melting Point | Decomposes before melting |
| Purity | Typically >95% |
| Ph Value | approx. 4-6 (1% aqueous solution) |
| Stability | Stable under recommended storage conditions |
| Storage Temperature | Room temperature, keep container tightly closed and dry |
| Synonyms | Diacid Violet 17; Urea azo dye derivative |
| Odor | Odorless |
| Application | Azo dye intermediate, analytical chemistry |
As an accredited 4,4'-Dihydroxy-7,7'-Ureylenedi(Naphthalene-2-Sulphonic Acid) 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 sealed 100g amber glass bottle with a tamper-evident cap and clear hazard labeling for safety. |
| Storage | 4,4'-Dihydroxy-7,7'-ureylenedi(naphthalene-2-sulphonic acid) should be stored in a tightly sealed container, in a cool, dry, and well-ventilated place, away from incompatible substances such as strong oxidizers. Protect it from moisture and direct sunlight. Always label containers clearly and keep them in a designated chemical storage area, with access restricted to trained personnel. |
| Shipping | **Shipping Description:** 4,4'-Dihydroxy-7,7'-Ureylenedi(naphthalene-2-sulphonic acid) should be shipped in tightly sealed containers, protected from moisture, heat, and incompatible materials. Ensure compliance with applicable regulations for chemical transport. The package should be clearly labeled, with required documentation and safety data sheets accompanying the shipment. Handle with care to prevent leaks or spills. |
Competitive 4,4'-Dihydroxy-7,7'-Ureylenedi(Naphthalene-2-Sulphonic Acid) prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please call us at +8615371019725 or mail to sales7@alchemist-chem.com.
We will respond to you as soon as possible.
Tel: +8615371019725
Email: sales7@alchemist-chem.com