| Molecular Formula | C12H11NO3S |
| Molar Mass | 249.29 |
| Density | 1.3164 (rough estimate) |
| Melting Point | 206°C |
| pKa | -1.33±0.50(Predicted) |
| Refractive Index | 1.6000 (estimate) |
| Downstream Products | Benzenesulfonic acid, 4-[[4-[(4-hydroxyphenyl)amino]phenyl]amino]-, reaction products with sodium sulfide (Na2(Sx)), leuco derivs. Acid Blue 93 Sulphur Blue 10 |
| EPA chemical information | Benzenesulfonic acid, 4-(phenylamino)- (101-57-5) |