| CAS No. | : | 632-99-5 |
| Synonym | : | Basic fuchsin |
| Appearance | : | Dark green crystalline powder |
| Absorption maxima in 50% ethanol | : | 545 – 555 nm |
| Specific absorptivity 1%/1cm (λmax; 0.003g/L; ethanol 50%) | : | 2290 – 2710 |
| Loss on drying (at 135oC) | : | Max. 15.0% |
| Dye content | : | Min. 88.0% |
