| CAS Number | 81-16-3 |
| Catalog Description | 2-Aminonaphthalene-1-sulfonic acid, 98% |
| Synonym | 2-Naphthylamine-1-sulfonic acid |
| Synonym | Tobias acid |
| MDL Number | MFCD00003988 |
| Master Molecular formula | C10H9NO3S |
| Molecular formula | C10H9NO3S |
| Merck Number | 14,6406 |
| EC Number | 201-331-5 |
| Shipping | Non-hazardous for shipping |
| CAS Number | 81-16-3 |
| Signal Word | Warning |
| Pictogram code 1 |
|
| H Phrases | H319 |
| P Phrases | P280-P264-P305+P351+P338-P337+P313 |
| TSCA | Yes |
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