Product Description
CAS 121-57-3 99% purity Sulfanilic acid for making azo dyes
| Sulfanilic acid Basic information | |
| Product Name: | Sulfanilic acid |
| CAS: | 121-57-3 |
| MF: | C6H7NO3S |
| MW: | 173.19 |
| EINECS: | 204-482-5 |
| Mol File: | 121-57-3.mol |
| Sulfanilic acid Chemical Properties | |
| Melting point | >300 °C(lit.) |
| density | 1.485 |
| refractive index | 1.5500 (estimate) |
| storage temp. | Store below +30°C. |
| solubility | 10g/l |
| pka | 3.24(at 25ºC) |
| form | solid |
| PH | 2.5 (10g/l, H2O, 20ºC) |
| Water Solubility | 0.1 g/100 mL (20 ºC) |
| Merck | 148,926 |
| BRN | 908765 |
| Stability: | Stable. Incompatible with strong oxidizing agents. |
| InChIKey | HVBSAKJJOYLTQU-UHFFFAOYSA-N |
| CAS DataBase Reference | 121-57-3(CAS DataBase Reference) |
| NIST Chemistry Reference | Benzenesulfonic acid, 4-amino-(121-57-3) |
| EPA Substance Registry System | Sulfanilic acid (121-57-3) |
| Product name | Sulfanilic Acid | Test date |
| Appearance | white crystal powder | white crystal powder |
| Purity | 99% min | 99.02% |
| Free aniline | 0.01% max | 0.01% |
| Water insoluble matter | 0.1% max | 0.01% |
| Moisture | 0.5% max | 0.28% |
