| English name | 2-Methyl-2-thiazoline |
| CAS No. | 2346-00-1 |
| Structural formula |  |
| Molecular formula | C4H7NS |
| Molecular weight | 101.17 |
| Boiling point | 144.0-145.0 °C(lit.) |
| Melting point | -101.0 °C(lit.) |
| Density | 1.067 g/mL at 25 °C(lit.) |
| Characters | yellow liquid |
| Use | used as dye intermediate and pharmaceutical intermediates |