| VINYL SULPHONE ESTER (ORTHO-ANISIDINE) | OAVS | 10079-20-6 /26672-22-0 | 311 |
| 4-AMINOAZOBENZENE-4'-SULFONIC ACID | PAABSA | 104-23-4 | 277 |
| 2-NAPHTHYLAMINE-6-SULFONAMIDE | BRONNER'S ACID METHYL SULFONAMIDE | 104259-55-8 | 236.29 |
| PARA CHLORO ANILINE | PCA | 106-47-8 | 127.57 |
| 4,4-DIAMINO DIPHENYL-2,2-DISULFONIC ACID BENZIDINE / BENZIDINE DI-SULFONIC ACID | BDSA | 117-61-3 | 344 |
| 2-NAPHTHYLAMINE-1,5-DISULFONIC ACID | SULFOTOBIAS ACID | 117-62-4 | 303.3 |
| 1-(4-SULPHOPHENYL)-3-METHYL-5-PYRAZOLONE | 1:4 SPMP | 119-17-5 / 87-36-1 | 254 |
| 4,4-DIAMINO DIPHENYLAMINE-2-SULFONIC ACID" | FC ACID | 119-70-0 | 279 |
| P-NITRO TOLUENE-O-SULFONIC ACID | PNTOSA | 121-03-9 | ?253.23 |
| 1-AMINO BENZENE-3-SULFONIC ACID | METANILIC ACID | 121-47-1 | 173 |
| ORTHO CHLORO PARA NITRO ANILINE (2-CHLORO-4-NITROANILINE) | OC4NA | 121-87-9 | 172.57 |
| 2-CARBETHOXY-AMINO-5-NAPHTHOL-7-SULFONIC ACID | CARBETHOXY J ACID | 124605-84-1 | 504.5 |
| META NITROBENZENE SULPHONIC ACID | RESIST SALT | 127-68-4 | 225 |
| 5-CHLORO-8-HYDROXY QUINOLINE | CHQ | 130-16-5 | 178 |
| PARA ANISIDINE-3-SULPHONIC ACID | PASA | 13244-33-2 | 203.21 |
| 2-NAPHTHOL-3,6-DISULFONIC ACID | R SALT | 135-51-3 | 304.3 |
| N-(4-CARBOXY PHENYL) GAMMA ACID | P-CARBOXY PHENYL GAMMA ACID | 137052-39-2 | |
| 2(3-AMINO PHENYL SULFONAMIDE)-NAPHTHELENE-6,8-DISULFONIC ACID | APS ACID | 143683-20-9 | 458.49 |
| 4,4-DIAMINO SULFANILIDE /4,4-DIAMINOBENZENE SULPHANILIDE | DASA | 16803-97-7 | 263 |
| VINYL SULPHONE ESTER (PARA CRESIDINE) | PCVS | 21635-69-8 | 325 |
| VINYL SULPHONE (ACETANILIDE BASE) | PARA BASE ESTER | 2494-89-5 | 281 |
| PARA AMINO BENZAMIDE | PABA | 2835-68-9 | 136 |
| 2,3-DICHLORO NITROBENZENE" | "2,3-DCNB" | 3209-22-1 | 192 |
| SULPHO PARA VINYL SULPHONE | SULPHO VS | 42986-22-1 | 361 |
| 3-AMINO-N-METHYL BENZENE SULFONAMIDE | M-AMINO BENZENE SULFONAMIDE N-METHYL | 459434-40-3 | 186.23 |
| 1-(PHENYL-2,5-DISULFONIC ACID),3-METHYL,5-PYRAZOLONE" | 2:5 DSPMP | 54817-63-9 | |
| 2,4-DICHLORO ANILINE | 2,4-DCA | 554-00-7 | 162.02 |
| META AMINO PHENOL | MAP | 591-27-5 | 109 |
| 3,3-DICHLOROBENZIDINE DIHYDROCHLORIDE | 3,3-DCBH | 612-83-9 | 326.05 |
| ORTHO NITRO ANILINE-P-SULFONIC ACID | ONAPSA | 616-84-2 | ?218.19 |
| 4-CHLORO-2,5-DIMETHOXY ANILINE | 4-C-2,5-DMA | 6358-64-1 | 187.62 |
| 2,4,5-TRICHLOROANILINE | 2,4,5-TCA | 636-30-6 | 217.6 |
| 4-CHLORO-2,5-DIMETHOXY NITRO BENZENE | 4-C-2,5-DNB | 6940-53-0 | 217.61 |
| 1-(2:5-DICHLORO-4-SULPHOPHENYL)-3-METHYL-5-PYRAZOLONE | 2:5 DCSPCP | 7253-04-5 / 108469-42-7 | 323.15252 |
| 4,4-DICHLORO DIPHENYL SULPHONE" | DCDPS | 80-07-9 | 287.16 |
| 4,4-DIAMINO DIPHENYL SULPHONE" | DAPSONE | 80-08-0 | 248.3 |
| 4,4-DIAMINO STILBENE-2-2-DISULPHONIC ACID | DASDA | 81-11-18 | 370 |
| 2-NAPHTHOL-6,8-DISULFONIC ACID" | G SALT | 842-18-2 | 304.3 |
| 1-(4-TOLYLPHENYL),3-METHYL,5-PYRAZOLONE | PTPMP | 86-92-0 | 188.23 |
| META PEHNYLENE DIAMINE-4-SULFONIC ACID | MPDSA | 88-63-1 | 188 |
| 4-METHYL-2-NITROANILINE | FAST RED GL BASE | 89-62-3 | 152.15 |
| 4-CHLORO-2-NITRO ANILINE (PARA CHLORO ORTHO NITRO ANILINE) | PCONA | 89-63-4 | 172.57 |
| PARA CHLORO ORTHO NITRO ANILINE | PCONA | 89-63-4 | 172.57 |
| 1-AMINO-8-NAPHTHOL-3,6-DISULFONIC ACID | H-ACID | 90-20-0 | 319 |
| 7-AMINO-1-NAPHTHOL-3,6-DISULPHONIC ACID | SULFO GAMMA ACID | 90-404 | 319.31 |
| 2-AMINO-8-NAPTHOL-6-SULPHONIC ACID | GAMMA ACID | 90-51-7 | 239 |
| 2-NAPHTHYLAMINE-6-SULFONIC ACID | BRONNER'S ACID | 93-00-5 | 223.25 |
| 2-NAPHTHOL-6-SULFONIC ACID (SODIUM / POTASSIUM SALT) | SCHAEFFER'S ACID | 93-01-6 | 224.23 |
| ORTHO DICHLORO BENZENE | ODCB | 95-50-1 | 147 |
| 3,4-DICHLORO ANILINE" | 3,4-DCA | 95-76-1 | 162.02 |
| 2,5-DICHLORO ANILINE" | 2,5-DCA | 95-82-9 | 162.02 |
| 4-CHLORO-2-AMINO PHENOL | 4-CAP | 95-85-2 | 143 |
| 2,4-DINITROANILINE" | 2,4-DNA | 97-02-9 | 183.12 |
| 5-CHLORO-2,4-DIMETHOXY ANILINE | 5-C-2,4-DMA | 97-50-7 | 187.62 |
| 2-AMINO-5-NITRO ANISOLE / 2-METHOXY-4-NITRO ANILINE | FAST RED B BASE | 97-52-9 | 168.15 |
| ANILINE-2,5-DISULFONIC ACID" | | 98-44-2 | 253 |
