4-Ethylbenzenesulfonic acid
- CAS NO.：98-69-1
- Empirical Formula: C8H10O3S
- Molecular Weight: 186.23
- MDL number: MFCD00009800
- EINECS: 202-693-7
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-04-24 14:59:19
What is 4-Ethylbenzenesulfonic acid?
Chemical properties
Solid.
The Uses of 4-Ethylbenzenesulfonic acid
4-Ethylbenzenesulfonic acid was used to dope high conducting polypyrrole thin films.
Definition
ChEBI: 4-ethylphenylsulfonic acid is a sulfonic acid derivative.
Production Methods
4-Ethylbenzenesulfonic acid is produced by sulfonating ethylbenzene with sulfuric acid. It is separated from the isomers via the aniline salt.
Hazard
Corrosive.
Properties of 4-Ethylbenzenesulfonic acid
| Density | 1.229 g/mL at 25 °C (lit.) |
| refractive index | n |
| Flash point: | >230 °F |
| pka | -0.45±0.50(Predicted) |
| Stability: | Combustible. Incompatible with strong oxidizing agents, strong bases. |
| CAS DataBase Reference | 98-69-1(CAS DataBase Reference) |
| EPA Substance Registry System | Benzenesulfonic acid, 4-ethyl- (98-69-1) |
Safety information for 4-Ethylbenzenesulfonic acid
| Signal word | Danger |
| Pictogram(s) |
 Corrosion Corrosives GHS05 |
| GHS Hazard Statements |
H314:Skin corrosion/irritation |
| Precautionary Statement Codes |
P280:Wear protective gloves/protective clothing/eye protection/face protection. P363:Wash contaminated clothing before reuse. 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. P405:Store locked up. |
Computed Descriptors for 4-Ethylbenzenesulfonic acid
| InChIKey | BRIXOPDYGQCZFO-UHFFFAOYSA-N |
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