| Name | CAS No. | Details |
| Rhodanine | 141-84-4 | Details |
| Sudan I | 842-07-9 | Details |
| Sudan II | 3118-97-6 | Details |
| Sudan III | 85-86-9 | Details |
| Sudan IV | 85-83-6 | Details |
| Methylamine hydrochloride | 593-51-1 | Details |
| Dimethylamine hydrochloride | 506-59-2 | Details |
| Trimethylamine hydrochloride | 593-81-7 | Details |
| Chlorophosphonazo Ⅰ | 85561-96-2 | Details |
| Chlorophosphonazo III | 1914-99-4 | Details |
| Cupferron | 135-20-6 | Details |
| Ammonium phosphotung | 12704-02-8 | Details |
| Sodium phosphotungstate octadecahydrate | 51312-42-6 | Details |
| DL-Mandelic acid | 90-64-2 | Details |
| Potassium hydrogen phthalate | 877-24-7 | Details |
| 2,4-Dinitrophenylhydrazine | 119-26-6 | Details |
| o-Tolidine dihydrochloride | 612-82-8 | Details |
| 1H-Benzotriazole | 95-14-7 | Details |
| Ammonium pyrrolidinedithiocarbamate | 5108-96-3 | Details |
| Barbituric acid | 67-52-7 | Details |