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HS Code |
566477 |
| Chemical Name | Sodium 2-Diazo-1-Naphthol-4-Sulfonate |
| Molecular Formula | C10H6N2NaO4S |
| Molecular Weight | 276.22 g/mol |
| Appearance | Yellow to orange powder |
| Solubility In Water | Soluble |
| Melting Point | Decomposes before melting |
| Cas Number | 6358-81-6 |
| Ec Number | 228-789-5 |
| Storage Conditions | Store in a cool, dry place, away from light |
| Main Use | Photoresist in photolithography processes |
| Synonyms | Diazonaphthoquinone sulfonic acid sodium salt |
| Stability | Sensitive to light and heat |
| Hazard Class | Irritant |
| Purity | Typically ≥98% (varies by supplier) |
As an accredited Sodium 2-Diazo-1-Naphthol-4-Sulfonate factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The packaging is a sealed amber glass bottle containing 100 grams of Sodium 2-Diazo-1-Naphthol-4-Sulfonate, labeled with safety instructions. |
| Shipping | Sodium 2-Diazo-1-Naphthol-4-Sulfonate should be shipped in tightly sealed containers, protected from light, heat, and moisture. It is classified as a hazardous chemical and must be handled according to relevant regulations. Ensure appropriate labeling and documentation, and transport using a reputable chemical courier experienced in handling hazardous materials. |
| Storage | Sodium 2-Diazo-1-Naphthol-4-Sulfonate should be stored in a tightly closed container, away from light, heat, and sources of ignition, in a cool, dry, well-ventilated area. Protect from moisture and incompatible substances such as strong acids and reducing agents. Label the container clearly, and ensure secondary containment to prevent environmental contamination in case of a spill. |
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Purity 98%: Sodium 2-Diazo-1-Naphthol-4-Sulfonate with 98% purity is used in photoresist formulations for semiconductor manufacturing, where it ensures precise pattern definition. Melting Point 260°C: Sodium 2-Diazo-1-Naphthol-4-Sulfonate with a melting point of 260°C is used in high-temperature lithographic processes, where it provides enhanced thermal stability during imaging. Molecular Weight 347.29 g/mol: Sodium 2-Diazo-1-Naphthol-4-Sulfonate with a molecular weight of 347.29 g/mol is utilized in UV-curable coatings, where consistent molecular size facilitates uniform film formation. Decomposition Temperature 180°C: Sodium 2-Diazo-1-Naphthol-4-Sulfonate with a decomposition temperature of 180°C is employed in printed circuit board fabrication, where it prevents premature photolysis during processing. Particle Size <10 µm: Sodium 2-Diazo-1-Naphthol-4-Sulfonate with particle size below 10 µm is used in dispersion paints, where fine particle distribution improves coating uniformity. Light Sensitivity 400 nm: Sodium 2-Diazo-1-Naphthol-4-Sulfonate with light sensitivity at 400 nm is applied in UV photoengraving, where it enables sharp image resolution under specific wavelengths. Solubility in Water >99%: Sodium 2-Diazo-1-Naphthol-4-Sulfonate with water solubility greater than 99% is used in aqueous developer systems, where rapid and complete dissolution increases processing efficiency. Stability pH Range 3–7: Sodium 2-Diazo-1-Naphthol-4-Sulfonate with stability within pH range 3–7 is utilized in resin synthesis, where it maintains reactivity under variable acidic or neutral conditions. |
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