| FEMA | N/A |
| CAS | 156-54-7 |
| EINECS | 205-857-6 |
| JECFA Food Flavoring | N/A |
| CoE Number | N/A |
| Organoleptic Notes |
|
| Odor | N/A |
| Flavor | N/A |
| Material Notes | a four carbon acid, ch3ch2ch2cooh, with an unpleasant odor that occurs in butter and animal fat as the glycerol ester. |