|
HS Code |
530966 |
| Chemical Name | 4-Hydroxy-2,7-Naphthalenedisulfonic Acid |
| Molecular Formula | C10H8O7S2 |
| Molar Mass | 320.29 g/mol |
| Cas Number | 2266-97-7 |
| Appearance | Yellow to brown crystalline powder |
| Melting Point | Decomposes above 300°C |
| Solubility In Water | Soluble |
| Pka | 0.8, 2.0, 9.2 (approximate values for sulfonic and hydroxyl groups) |
| Synonyms | Schaeffer’s acid, Acid Yellow 1 |
| Structure | Naphthalene ring with sulfonic acids at positions 2 and 7 and a hydroxyl group at position 4 |
As an accredited 4-Hydroxy-2,7-Naphthalenedisulfonic Acid factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The chemical 4-Hydroxy-2,7-Naphthalenedisulfonic Acid is supplied in a 100g amber glass bottle with a tamper-evident screw cap. |
| Storage | Store **4-Hydroxy-2,7-Naphthalenedisulfonic Acid** in a cool, dry, well-ventilated area, away from incompatible substances like strong oxidizing agents. Keep the container tightly closed and protected from moisture and direct sunlight. Use appropriate corrosion-resistant containers. Ensure proper labeling and restrict access to trained personnel. Follow all relevant safety protocols and consult the safety data sheet (SDS) for detailed storage instructions. |
| Shipping | 4-Hydroxy-2,7-Naphthalenedisulfonic Acid should be shipped in tightly sealed containers, protected from moisture and incompatible substances. Transport under ambient temperature, ensuring containers are clearly labeled and compliant with local, national, and international chemical shipping regulations. Handle with care, using suitable personal protective equipment to prevent accidental exposure during transit. |
Competitive 4-Hydroxy-2,7-Naphthalenedisulfonic 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