4-(Trifluoromethyl)benzene-1-sulfonyl chloride
- CAS NO.：2991-42-6
- Empirical Formula: C7H4ClF3O2S
- Molecular Weight: 244.62
- MDL number: MFCD00042422
- EINECS: 628-503-6
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-06-04 16:00:12
What is 4-(Trifluoromethyl)benzene-1-sulfonyl chloride?
Chemical properties
White ro pale yellow low melting solid
The Uses of 4-(Trifluoromethyl)benzene-1-sulfonyl chloride
4-(Trifluoromethyl)benzenesulfonyl chloride may be used to synthesize β-arylated thiophenes and 2,5-diarylated pyrrolevia palladium catalyzed desulfitative arylation of thiophenes and pyrroles, respectively.
4-(Trifluoromethyl)benzenesulfonyl chloride and N-vinylpyrrolidinone in acetonitrile can undergo photo-irradiation with visible light in the presence of Ir(ppy)2(dtbbpy)PF6 ([4,4′-bis(1,1-dimethylethyl)-2,2′-bipyridine-N1,N1′]bis[2-(2-pyridinyl-N)phenyl-C]iridium(III)hexafluorophosphate) and disodium phosphate to give the corresponding E-vinyl sulfone.
Properties of 4-(Trifluoromethyl)benzene-1-sulfonyl chloride
| Melting point: | 30-34 °C(lit.) |
| Boiling point: | 76 °C |
| Density | 1.532±0.06 g/cm3(Predicted) |
| Flash point: | 220 °F |
| storage temp. | under inert gas (nitrogen or Argon) at 2-8°C |
| solubility | Chloroform (Slightly), Methanol (Slightly) |
| form | Low Melting Solid |
| color | White to pale yellow |
| Sensitive | Moisture Sensitive |
| BRN | 2113604 |
| CAS DataBase Reference | 2991-42-6(CAS DataBase Reference) |
Safety information for 4-(Trifluoromethyl)benzene-1-sulfonyl chloride
| 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-(Trifluoromethyl)benzene-1-sulfonyl chloride
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