| M | 74.12 |
|---|---|
| D | 0.803 |
| b.p | 108 °C |
| m.p | -108 °C |



| Clear colorless liquid | Complying |
| Color (APHA Pt-Co) | max. 10 |
| Assay (GC on anhydrous basis) | min. 99.0% |
| Acidity (as Acetic acid) | max. 0.003% |
| Residue after evaporation | max. 0.001%w/w |
| Water (KF) | max. 0.05%w/w |
| Solubility Passes ACS test | Complying |
| 1-Butanol | max. 0.1% |
| 2-Butanol | max. 0.02% |
| Isobutyraldehyde | max. 0.05% |
| Butyraldehyde | max. 0.01% |
| Methyl ethyl ketone | max. 0.02% |