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| | 2-Aminophenol-4-sulfonic acid Basic information |
| | 2-Aminophenol-4-sulfonic acid Chemical Properties |
| Melting point | ≥300 °C(lit.) | | Boiling point | 398.09℃[at 101 325 Pa] | | density | 1.5149 (rough estimate) | | vapor pressure | 0Pa at 25℃ | | refractive index | 1.5500 (estimate) | | storage temp. | Keep in dark place,Sealed in dry,Room Temperature | | pka | -0.81±0.50(Predicted) | | form | powder to crystal | | color | Orange to Amber to Dark red | | Water Solubility | <0.1 g/100 mL at 21.5 ºC | | BRN | 514765 | | Stability: | Stable. Incompatible with strong oxidizing agents, strong acids and strong bases. | | InChI | 1S/C6H7NO4S/c7-5-3-4(12(9,10)11)1-2-6(5)8/h1-3,8H,7H2,(H,9,10,11) | | InChIKey | ULUIMLJNTCECJU-UHFFFAOYSA-N | | SMILES | Nc1cc(ccc1O)S(O)(=O)=O | | LogP | -2.56 at 25℃ | | CAS DataBase Reference | 98-37-3(CAS DataBase Reference) | | EPA Substance Registry System | 4-Hydroxymetanilic acid (98-37-3) |
| Hazard Codes | C | | Risk Statements | 34 | | Safety Statements | 26-36/37/39-45 | | RIDADR | UN 2585 8/PG 3 | | WGK Germany | 1 | | TSCA | TSCA listed | | HS Code | 2922.49.3700 | | HazardClass | 8 | | PackingGroup | III | | Storage Class | 8A - Combustible corrosive hazardous materials | | Hazard Classifications | Eye Irrit. 2
Skin Irrit. 2 |
| | 2-Aminophenol-4-sulfonic acid Usage And Synthesis |
| Chemical Properties | brown crystals | | Uses | 3-Amino-4-hydroxybenzenesulfonic acid can be used to synthesize various heterocyclic Schiff bases for imaging applications. 3-Amino-4-hydroxybenzenesulfonic acid can also be used for comparative assessment in the Tetrahymena pyriformis growth inhibition assay. | | Production Methods | 2-Aminophenol-4-sulfonic acid is obtained by boiling 4-chloro-3- nitrobenzenesulfonic acid with sodium hydroxide solution, followed by Béchamp reduction.
| | General Description | Rhombic brown crystals. | | Air & Water Reactions | 2-Aminophenol-4-sulfonic acid may be sensitive to prolonged exposure to air. Insoluble in water. | | Reactivity Profile | 2-Aminophenol-4-sulfonic acid may react with strong oxidizers and mineral acids or bases. | | Fire Hazard | Flash point data for 2-Aminophenol-4-sulfonic acid is not available, however 2-Aminophenol-4-sulfonic acid is probably combustible. |
| | 2-Aminophenol-4-sulfonic acid Preparation Products And Raw materials |
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