|
HS Code |
657203 |
| Cas Number | 6358-69-6 |
| Molecular Formula | C10H8O4S |
| Molecular Weight | 224.23 g/mol |
| Synonyms | Naville Winther's Acid, NW Acid, 1-Hydroxynaphthalene-4-sulfonic acid, Naville and Winther's Acid, alpha-Naphtholsulfonic Acid |
| Appearance | White to pale beige powder |
| Melting Point | Over 300°C (decomposes) |
| Solubility In Water | Soluble |
| Ph 1 Solution | Approximately 3-4 |
| Purity | Typically ≥ 98% |
| Chemical Structure | 1-naphthol with a sulfonic acid group at position 4 |
| Ec Number | 228-799-3 |
As an accredited 1-Naphthol-4-Sulfonic Acid/Naville Winther's Acid/NW Acid/1-Hydroxynaphtalen-4-Sulfonic Acid/Naville and Winther's Acid/alpha Naphtholsulfonic Acid factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | 1-Naphthol-4-Sulfonic Acid is packaged in a sealed 25 kg fiber drum with inner polyethylene lining for moisture protection. |
| Container Loading (20′ FCL) | Container Loading (20′ FCL): 12 metric tons packed in 480 polypropylene bags, 25 kg net each, on pallets, with plastic lining. |
| Shipping | **Shipping Description:** 1-Naphthol-4-Sulfonic Acid (Naville Winther’s Acid) ships as a solid, typically packed in fiber drums, HDPE drums, or bags with inner liners. Store and transport in cool, dry, well-ventilated conditions, away from oxidizers. Handle as a non-combustible, irritant chemical under UN/IMDG regulations, with safety labeling and documentation. |
| Storage | 1-Naphthol-4-sulfonic acid (Naville Winther's Acid) should be stored in a tightly closed container, in a cool, dry, well-ventilated area, away from direct sunlight and incompatible substances such as strong oxidizers. Protect from moisture. Ensure proper labeling and avoid any sources of ignition. Use secondary containment to prevent spills and comply with all relevant chemical storage regulations. |
| Shelf Life | Shelf life of 1-Naphthol-4-Sulfonic Acid is typically 2-3 years if stored in a cool, dry, tightly sealed container. |
Competitive 1-Naphthol-4-Sulfonic Acid/Naville Winther's Acid/NW Acid/1-Hydroxynaphtalen-4-Sulfonic Acid/Naville and Winther's Acid/alpha Naphtholsulfonic Acid prices that fit your budget—flexible terms and customized quotes for every order.
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Tel: +8615371019725
Email: sales7@boxa-chem.com
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