4-Methylsulphonylbenzoic acid
- CAS NO.：4052-30-6
- Empirical Formula: C8H8O4S
- Molecular Weight: 200.21
- MDL number: MFCD00007564
- EINECS: 223-756-5
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 05:31:27
What is 4-Methylsulphonylbenzoic acid?
Chemical properties
white powder
General Description
4-(Methylsulfonyl)benzoic acid has pKa value of 3.48 and 8.36 in water and methanol at 25°C.
Properties of 4-Methylsulphonylbenzoic acid
| Melting point: | 268-271 °C(lit.) |
| Boiling point: | 307.93°C (rough estimate) |
| Density | 1.4787 (rough estimate) |
| refractive index | 1.5500 (estimate) |
| storage temp. | Sealed in dry,Room Temperature |
| solubility | slight |
| pka | pK1:3.64 (25°C) |
| form | powder to crystal |
| color | White to Almost white |
| Water Solubility | slight |
| CAS DataBase Reference | 4052-30-6(CAS DataBase Reference) |
Safety information for 4-Methylsulphonylbenzoic acid
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. 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-Methylsulphonylbenzoic acid
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