2-Aminotoluene-5-sulfonic acid CAS#: 98-33-9; ChemWhat Code: 24886
Names & Identifiers |
| Product Name | 2-Aminotoluene-5-sulfonic acid |
| Synonyms | 2-AMINOTOLUENE-5-SULFONIC ACID;2-TOLUIDINE-5-SULFONIC ACID;4-AMINO-M-TOLUENESULFONIC ACID;4-AMINO-3-METHYLBENZENESULFONIC ACID;6-AMINOTOLUENE-3-SULFONIC ACID;OTS;4-amino-3-methyl-benzenesulfonicaci;o-Toluidine-4-sulfphonicacid |
| CAS Registry Number | 98-33-9 |
| Molecular Formula | C7H9NO3S |
| Molecular Weight | 187.22 |
| EINECS | 202-658-6 |
| Other Registry Numbers | |
| IUPA Names, InChI, InChI Key, Canonical SMILES, etc.: | IUPA Names, InChI, InChI Key, Canonical SMILES, etc. |
![]() |
|
Chemical & Physical Properties |
| Melting point | 290°C |
| More Properties From PubChem | Topological Polar Surface Area, Monoisotopic Mass, etc. |
| EPA Substance Registry System | Benzenesulfonic acid, 4-amino-3-methyl-(98-33-9) |
Safety & Hazards(Codes & Phrases) |
| Hazard Codes | T |
| R Phrase | 45-34 |
| S Phrase | 53-26-36/37/39-45 |
| RIDADR | 2811 |
| TSCA | Yes |
| Storage Class | 8 |
| Packing Group | III |
| More Safety & Hazards From PubChem | Signal, GHS Hazard Statements, Precautionary Statement Codes, etc. |
Literature |
| Literature on PubChem | Synthesis References, Metabolite References, etc. |
Patents |
| Patents on PubChem | Related Patents Of This Product |
Transportation, Storage & Usage |
| Transportation | No Information |
| Storage | No Information |
| Usage | No Information |
Spectral Properties |
| No Information |
Buy Reagent | |
| No reagent supplier? | Send quick inquiry to ChemWhat |
| Want to be listed here as a reagent supplier? (Paid service) | Click here to contact ChemWhat |
Approved Manufacturers | |
| Want to be listed as an approved manufacturer (Requires approvement)? | Please download and fill out this form and send back to approved-manufacturers@chemwhat.com |
Other Suppliers | |
| Watson International Limited | Visit Watson Official Website |
Contact Us for Other Help | |
| Contact us for other information or services | Click here to contact ChemWhat |


