| Molecular Formula | C6H12OS |
| Molar Mass | 132.22 |
| Density | 0.961 |
| Boling Point | 174℃ |
| Flash Point | 54 °C |
| JECFA Number | 1293 |
| Water Solubility | Soluble in water. |
| Vapor Presure | 0.843mmHg at 25°C |
| Appearance | clear liquid |
| Color | Colorless to Light yellow |
| pKa | 10.32±0.25(Predicted) |
| Storage Condition | Inert atmosphere,Room Temperature |
| Sensitive | Air Sensitive |
| Refractive Index | 1.4620 |
| Risk Codes | R10 - Flammable R36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | 26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
| TSCA | Yes |
| Hazard Class | 3 |
| FEMA | 3997 | 4-MERCAPTO-4-METHYL-2-PENTANONE |
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information is provided by: ofmpeb.epa.gov (external link) |