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HS Code |
535804 |
| Chemical Name | P-Aminobenzenesulfonic Acid |
| Synonyms | Sulfanilic Acid |
| Molecular Formula | C6H7NO3S |
| Molecular Weight | 173.19 g/mol |
| Cas Number | 121-57-3 |
| Appearance | White to off-white crystalline powder |
| Melting Point | 288 °C (decomposes) |
| Solubility In Water | Slightly soluble |
| Ph | Approximately 3.5 (1% solution) |
| Boiling Point | Decomposes before boiling |
| Density | 1.485 g/cm³ |
| Storage Temperature | Room temperature |
| Main Use | Dye and pharmaceutical intermediate |
As an accredited P-Aminobenzenesulfonic Acid factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The packaging is a 500g white plastic bottle, labeled "P-Aminobenzenesulfonic Acid," featuring safety symbols, lot number, and storage instructions. |
| Shipping | P-Aminobenzenesulfonic Acid should be shipped in tightly sealed containers, protected from moisture and incompatible materials. It must comply with local, national, and international regulations for chemical transport. Proper labeling, hazard identification, and documentation are essential. Handle with care, use suitable protective packaging, and avoid exposure to extreme temperatures during shipping. |
| Storage | P-Aminobenzenesulfonic acid should be stored in a cool, dry, well-ventilated area, away from incompatible substances like strong oxidizers and bases. Keep the container tightly closed and protected from moisture and direct sunlight. Store in a clearly labeled, corrosion-resistant container. Practice good housekeeping to avoid dust accumulation, and ensure access to safety showers and eyewash stations in the storage area. |
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Purity 99%: P-Aminobenzenesulfonic Acid with purity 99% is used in azo dye synthesis, where it ensures high color yield and purity of final dye products. Molecular Weight 173.19 g/mol: P-Aminobenzenesulfonic Acid with molecular weight 173.19 g/mol is used in pharmaceutical intermediates, where precise molecular composition guarantees consistent batch quality. Melting Point 288°C: P-Aminobenzenesulfonic Acid with melting point 288°C is used in heat-resistant pigment formulations, where thermal stability prevents decomposition during processing. Particle Size ≤ 10 µm: P-Aminobenzenesulfonic Acid with particle size ≤ 10 µm is used in high-surface-area catalysts, where increased surface area enhances catalytic efficiency. Stability Temperature up to 200°C: P-Aminobenzenesulfonic Acid stable up to 200°C is used in polymer modification, where reliable performance is maintained under elevated processing temperatures. Water Solubility 15 g/L: P-Aminobenzenesulfonic Acid with water solubility 15 g/L is used in electroplating baths, where rapid dissolution improves electrolyte homogeneity. Assay ≥ 98%: P-Aminobenzenesulfonic Acid with assay ≥ 98% is used in analytical reagent manufacturing, where high assay guarantees accuracy in chemical analysis. Low Chloride Content < 0.05%: P-Aminobenzenesulfonic Acid with low chloride content < 0.05% is used in fine chemical synthesis, where minimized impurities reduce risk of side reactions. Bulk Density 0.65 g/cm³: P-Aminobenzenesulfonic Acid with bulk density 0.65 g/cm³ is used in solid detergent blends, where consistent density enables uniform mixing and dosing. Residual Moisture ≤ 0.5%: P-Aminobenzenesulfonic Acid with residual moisture ≤ 0.5% is used in dry powder formulations, where low moisture prevents caking and prolongs shelf life. |
Competitive P-Aminobenzenesulfonic Acid prices that fit your budget—flexible terms and customized quotes for every order.
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