2,5-Dimethylbenzenesulfonic acid dihydrate
- CAS NO.：609-54-1
- Empirical Formula: C8H10O3S
- Molecular Weight: 186.23
- MDL number: MFCD00064858
- EINECS: 210-193-5
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-27 17:40:58
What is 2,5-Dimethylbenzenesulfonic acid dihydrate?
The Uses of 2,5-Dimethylbenzenesulfonic acid dihydrate
Reagent for serum cholesterol determination.
Production Methods
2,5-Dimethylbenzenesulfonic acid dihydrate is obtained by sulfonating p-xylene with 93% sulfuric acid and removing the water by distillation.
Properties of 2,5-Dimethylbenzenesulfonic acid dihydrate
| Melting point: | 86°C |
| Boiling point: | 290.72°C (rough estimate) |
| Density | 1.3286 (rough estimate) |
| refractive index | 1.5081 (estimate) |
| storage temp. | 2-8°C |
| Water Solubility | Soluble in water |
| form | powder to crystal |
| pka | -0.47±0.30(Predicted) |
| color | White to Light yellow to Light red |
| Sensitive | Hygroscopic |
| CAS DataBase Reference | 609-54-1(CAS DataBase Reference) |
| EPA Substance Registry System | Benzenesulfonic acid, 2,5-dimethyl- (609-54-1) |
Safety information for 2,5-Dimethylbenzenesulfonic acid dihydrate
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P332+P313:IF SKIN irritation occurs: Get medical advice/attention. P337+P313:IF eye irritation persists: Get medical advice/attention. |
Computed Descriptors for 2,5-Dimethylbenzenesulfonic acid dihydrate
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