2-Anisidine-4-sulfonic acid
Synonym(s):4-Methoxymetanilic acid
- CAS NO.:98-42-0
- Empirical Formula: C7H9NO4S
- Molecular Weight: 203.22
- MDL number: MFCD00035759
- EINECS: 202-667-5
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:19:46
What is 2-Anisidine-4-sulfonic acid?
Chemical properties
off-white crystalline powder
The Uses of 2-Anisidine-4-sulfonic acid
3-Amino-4-methoxybenzenesulfonic Acid is used in the synthesis of novel influenza virus inhibitors. Also used in the preparation of P2 receptor antagonists, affecting the release of ATP.
General Description
3-Amino-4-methoxybenzenesulfonic acid in solid state exists in the zwitterionic form, 3-ammonio-4-methoxybenzenesulfonate. 3-Amino-4-methoxybenzenesulfonic acid was incorporated via direct coprecipitation between the sheets of a layered double hydroxide (LDH) of intralamellar composition Cu2Cr(OH)6.
Properties of 2-Anisidine-4-sulfonic acid
| Melting point: | 305 °C (dec.)(lit.) |
| Boiling point: | 386.91℃ |
| Density | 1.4540 (rough estimate) |
| vapor pressure | 0Pa at 25℃ |
| refractive index | 1.6370 (estimate) |
| storage temp. | 2-8°C |
| form | Crystalline Powder |
| pka | -0.91±0.50(Predicted) |
| color | Off-white |
| CAS DataBase Reference | 98-42-0(CAS DataBase Reference) |
| EPA Substance Registry System | Benzenesulfonic acid, 3-amino-4-methoxy- (98-42-0) |
Safety information for 2-Anisidine-4-sulfonic acid
| Signal word | Danger |
| Pictogram(s) |
![]() Corrosion Corrosives GHS05 ![]() Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H314:Skin corrosion/irritation H317:Sensitisation, Skin |
| Precautionary Statement Codes |
P260:Do not breathe dust/fume/gas/mist/vapours/spray. P272:Contaminated work clothing should not be allowed out of the workplace. P280:Wear protective gloves/protective clothing/eye protection/face protection. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 2-Anisidine-4-sulfonic acid
| InChIKey | FLIOATBXVNLPLK-UHFFFAOYSA-N |
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