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HS Code |
387279 |
| Name | Tobias Acid |
| Iupac Name | 2-Amino-1-naphthalenesulfonic acid |
| Chemical Formula | C10H9NO3S |
| Molar Mass | 223.25 g/mol |
| Appearance | White to off-white crystalline powder |
| Melting Point | 315 °C (decomposes) |
| Solubility In Water | Slightly soluble |
| Cas Number | 81-16-3 |
| Density | 1.5 g/cm³ (approximate) |
| Use | Intermediate in dye manufacture |
| Pka | 1.7 (sulfonic acid group) |
| Synonyms | 2-Aminonaphthalene-1-sulfonic acid |
As an accredited Tobias Acid factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The 500g Tobias Acid comes in a sealed, amber glass bottle with a secure screw cap, featuring hazard and handling labels. |
| Shipping | Tobias Acid should be shipped in tightly sealed, properly labeled containers, protected from moisture and incompatible substances. It must comply with relevant hazardous material regulations, including packaging, marking, and documentation. Ensure transport in well-ventilated vehicles and avoid exposure to extreme temperatures. Handle with appropriate safety precautions to prevent spillage or contamination. |
| Storage | Tobias Acid should be stored in a cool, dry, well-ventilated area away from sources of ignition and incompatible substances such as strong oxidizers. Keep the container tightly closed and protected from physical damage and moisture. Store at room temperature, away from direct sunlight. Ensure proper labeling and access only to trained personnel. Avoid contact with skin, eyes, and clothing. |
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Purity 99%: Tobias Acid with 99% purity is used in azo dye synthesis, where it ensures high color yield and consistent shade reproducibility. Melting Point 144°C: Tobias Acid with a melting point of 144°C is used in textile pigment manufacturing, where it allows stable processing under high-temperature conditions. Particle Size D90 < 10 µm: Tobias Acid of D90 < 10 µm particle size is used in ink formulation, where it promotes uniform dispersion and smooth print quality. Moisture Content < 0.5%: Tobias Acid with moisture content below 0.5% is used in pharmaceuticals, where it minimizes hydrolytic degradation and enhances shelf life. Sulfonation Degree 98%: Tobias Acid with 98% sulfonation degree is used in specialty dye intermediates, where it provides high reactivity and improved dye bath exhaustion. Bulk Density 0.65 g/cm³: Tobias Acid with a bulk density of 0.65 g/cm³ is used in chemical compounding, where it enables precise weight-based dosing in automated systems. Stability Temperature up to 120°C: Tobias Acid stable up to 120°C is used in resin production, where it avoids decomposition and preserves polymer performance. Iron Content < 20 ppm: Tobias Acid with iron content below 20 ppm is used in high-performance pigments, where it prevents unwanted discoloration and improves product purity. |
Competitive Tobias Acid prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please contact us at +8615651039172 or mail to sales9@bouling-chem.com.
We will respond to you as soon as possible.
Tel: +8615651039172
Email: sales9@bouling-chem.com
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