| CAS Number | 121-57-3 |
| Catalog Description | Sulfanilic acid, 98% |
| Synonym | 4-Aminobenzenesulfonic acid |
| Synonym | Aniline-4-sulfonic acid |
| MDL Number | MFCD00007886 |
| Linear formula | H2NC6H4SO3H |
| Master Molecular formula | C6H7NO3S |
| Melting point in C | 365° |
| Density | 1.485 |
| Merck Number | 14,8926 |
| Beilstein | 908765 |
| EC Number | 204-482-5 |
| Shipping | Non-hazardous for shipping |
| CAS Number | 121-57-3 |
| Signal Word | Warning |
| Pictogram code 1 |
|
| H Phrases | H315-H319-H317 |
| P Phrases | P261-P280-P305+P351+P338-P321-P333+P313-P501A |
| TSCA | Yes |
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