| Molecular Formula | C4H6OS |
| Molar Mass | 102.15 |
| Density | 1.18g/mLat 25°C(lit.) |
| Melting Point | 138 °C(Solv: ethyl acetate (141-78-6)) |
| Boling Point | 39-40°C1mm Hg(lit.) |
| Flash Point | 186°F |
| JECFA Number | 1923 |
| Solubility | THF: soluble |
| Vapor Presure | 0.38mmHg at 25°C |
| Refractive Index | n20/D 1.523(lit.) |
| Hazard Symbols | Xn - Harmful![]() |
| Risk Codes | 22 - Harmful if swallowed |
| Safety Description | 36 - Wear suitable protective clothing. |
| UN IDs | UN 3334 |
| WGK Germany | 3 |
| RTECS | XN1930000 |
| FEMA | 4570 | 2-OXOTHIOLANE |
| EPA chemical substance information | information is provided by: ofmpeb.epa.gov (external link) |