| M | 116.16 |
|---|---|
| D | 0.88 |
| b.p | 127 °C |
| m.p | -77.9 °C |


| Clear colorless liquid | Complying |
| Acidity (as Acetic acid) | max. 0.01% |
| Color (APHA Pt-Co) | max. 10 |
| Subs. darkened by Sulfuric Acid | Complying |
| Assay (GC on anhydrous basis) | min. 99.5% |
| 1-Butanol | max. 0.2% |
| Residue after evaporation | max. 0.001%w/w |
| Water (KF) | max. 0.1%w/w |