| Physical State | Clear liquid |
| Color | Yellow |
| Odor | Pungent |
| Boiling Point | Not Available |
| Melting Point | Not Available |
| Density | 1 - 1.3 g/cm3 [25˚C (77˚F)] |
| Flash Point | Closed cup: 30˚C - 33˚C (86 - 91.4˚F) [Setaflash.] |
| Vapor Density | 3.6 [Air = 1] |
| Evaporation Rate | >1 (Butyl Acetate. = 1) |
| Explosion Limits | Greatest known range: lower: 1.1% ,upper: 8% (Styrene) |
| Vapor Pressure | 0.6 Kpa (4.5 mm Hg) |
| Solubility | Insoluble in the following materials: cold water |
| Viscosity | Dynamic: 400 - 600 Mpa∙S (400 - 600 Cp) |
| Kinematic: 3.75 - 5.75 cm2/S (375 - 575 Cst) |