| FEMA | N/A |
| CAS | 77-09-8 |
| EINECS | 201-004-7 |
| JECFA Food Flavoring | N/A |
| CoE Number | N/A |
| Organoleptic Notes |
|
| Odor | N/A |
| Flavor | N/A |
| Material Notes | an acid-base indicator which is colorless in acid solution, but turns pink to red as the solution becomes alkaline. it is used medicinally as a cathartic. |