| Molecular Formula | C3H6OS |
| Molar Mass | 90.14 |
| Density | 1.0591 g/cm3 |
| Boling Point | 125-138 °C |
| Flash Point | 30.5°C |
| JECFA Number | 465 |
| Vapor Presure | 14.9mmHg at 25°C |
| Refractive Index | 1.452 |
| FEMA | 3206 | 2-METHYLTHIOACETALDEHYDE |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| toxicity | GRAS(FEMA). |
| usage limit | FEMA(mg/kg): beverages, cold drinks, candies, baked products, gelatin, pudding, gum sugar, cereals, condiments, meat and broth, milk and dairy products, all 0.5. |