| H-Acid |
| Chemical Name :: 8Amino-1-Naphthol 6,3disulphonic Acid |
Structure

|
| Cas No. :: 5460-09-3 |
| Mol Wt. :: 319 |
| Mol. Formula :: C10H9NO7S2 |
| Phenyl J Acid |
| Chemical Name :: Phenyl J Acid |
Structure

|
| Cas No. :: 119-40-4 |
| Mol Wt. :: 315.3 |
| Mol. Formula :: C16H13NO4S |
| PANA |
| Chemical Name :: Phenyl Alphanaphthylamine |
Structure

|
| Cas No. :: 90-30-2 |
| Mol Wt. :: 219.281 |
| Mol. Formula :: C16H13N |
| PAAB |
| Chemical Name :: Para Amino Azo Benzene |
Structure

|
| Cas No. :: 60-09-3 |
| Mol Wt. :: 197 |
| Mol. Formula :: C12H11N3 |
| PAAB4SA |
| Chemical Name :: Para Amino Azo Benzene 4 Sulphonic Acid |
Structure

|
| Cas No. :: 104-23-4 |
| Mol Wt. :: 277 |
| Mol. Formula :: C12H11N3O3S |
| PAAB3,4 Di S.A. |
| Chemical Name :: Para Amino Azo Benzene 3,4 Di Sulphonic Acid |
Structure

|
| Cas No. :: 101-50-8 |
| Mol Wt. :: 357 |
| Mol. Formula :: C12H11N3O6S2 |