| quebracho wood extract | |
| CAS: 1401-55-4 EC: 215-753-2 FEMA: 3042 Use(s): flavoring agents and adjuvants, curing and pickling agents, flavor enhancers | |
| quinolin-1-ium-8-ol;sulfate | |
| CAS: 134-31-6 EC: 205-137-1 Use(s): antimicrobial agents | |
| 2- | quinolin-2-ylindene-1,3-dione |
| CAS: 8003-22-3 EC: 232-318-2 Use(s): coloring agents (for surface only) | |
| 2- | quinolin-2-ylindene-1,3-dione |
| CAS: 83-08-9 EC: 201-453-9 Use(s): coloring agents (for surface only) | |
| 1H- | quinolin-4-one |
| CAS: 611-36-9 EC: 210-268-2 Use(s): information only not used for fragrances or flavors | |
| quinolin-8-ol | |
| CAS: 148-24-3 EC: 205-711-1 Use(s): cosmetic agents | |
| quinolin-8-yl benzoate | |
| CAS: 86-75-9 EC: 201-697-6 Use(s): antimicrobial agents | |
| quinoline | |
| CAS: 91-22-5 EC: 202-051-6 FEMA: 3470 Use(s): information only not used for fragrances or flavors | |
| iso | quinoline |
| CAS: 119-65-3 EC: 204-341-8 FEMA: 2978 JECFA: 1303 FLAVIS: 14.001 Use(s): flavoring agents and adjuvants | |
| quinoxaline | |
| CAS: 91-19-0 EC: 202-047-4 Use(s): flavoring agents |