3-Methylsulfolane
- CAS NO.：872-93-5
- Empirical Formula: C5H10O2S
- Molecular Weight: 134.2
- MDL number: MFCD00005487
- EINECS: 212-833-9
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-09-12 18:52:01
What is 3-Methylsulfolane?
Flammability and Explosibility
Not classified
Purification Methods
Distil the sulfolane under vacuum and recrystallise it from Et2O at -60o to -70o. An IR film has strong bands at 570 and 500 cm -1. [Eigenberger J Prakt Chem [2] 131 289 1931, Freaheller & Katon Spectrochim Acta 20 1099 1964, Whitehead et al. J Am Chem Soc 73 3632 1951, Beilstein 17 III/IV 64..]
Properties of 3-Methylsulfolane
| Melting point: | 0.5°C |
| Boiling point: | 104 °C / 3mmHg |
| Density | 1.20 |
| vapor pressure | 0.885Pa at 25℃ |
| refractive index | 1.4750 to 1.4790 |
| form | liquid |
| color | Colorless to Light yellow |
| Water Solubility | 1000g/L at 20℃ |
| Dielectric constant | 29.399999999999999 |
| EPA Substance Registry System | Thiophene, tetrahydro-3-methyl-, 1,1-dioxide (872-93-5) |
Safety information for 3-Methylsulfolane
Computed Descriptors for 3-Methylsulfolane
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