| FEMA | N/A |
| CAS | 500-64-1 |
| EINECS | 207-907-2 |
| JECFA Food Flavoring | N/A |
| CoE Number | N/A |
| Organoleptic Notes |
|
| Odor | N/A |
| Flavor | N/A |
| Material Notes | Found in the roots of kava (Piper methysticum). FDA advises against use of kava in food due to potential risk of severe liver damage (2002) |