| M | 74.12 |
|---|---|
| D | 0.810 |
| b.p | 117.6 °C |
| m.p | -89 °C |



| Clear colorless liquid | Complying |
| Acidity (as Acetic acid) | max. 0.002% |
| Color (APHA Pt-Co) | max. 10 |
| Assay (GC on anhydrous basis) | min. 99.5% |
| Residue after evaporation | max. 0.005%w/w |
| Water (KF) | max. 0.1%w/w |
| Dibutyl ether | max. 0.2% |
| Butyraldehyde | max. 0.01% |