| Test ltem | Specification |
| Appearance | Colorless clear liquid |
| Odor | Has a strong buttery aroma with a rancid smell |
| Purity | ≥99% |
| Relative indensity | 0.952-0.960 |
| Refractive index | 1.397-1.399 |
| Heavy mental (by Pb, mg/kg) | ≤0.001% |
Application
It can be used for the preparation of various esters, such as ethyl butyrate, which has pleasant aromas or tastes and thus can be used as food and perfume additives.
