| Article No | C-03100/50 | ||
| CAS No | 10510-54-0 | ||
| HSN Code | 32049000 | ||
| Purity | - | ||
| Grade | For microbiology | ||
| Molecular Formula | C18H15N3O3 | ||
| Molecular Weight | 321.33 | ||
| Shelf Life | 5 years | ||

1 gm

5 gm
| Description | Blackish powder | ||
| Dye content (Spectrophotometrically) | Min. 70.0% | ||
| Suitability for microscopy | Passes test | ||
| Identity UV/VIS spectrum | Passes test | ||
| Identity UV/VIS spectrum | Min 70% | ||
| Absorption maximum max (ethanol 50%) | 596-599nm | ||
| Specific absorptivity A 1% 1 cm ( max; 0.0005%; ethanol 50%) | 980-1400 | ||
| TLC test | Passes test | ||
| Loss on drying (50°C/<1hPa) | Max 25% | ||
| Suitability for microscopy | Passes test | ||
| Melting point/Freezing point (° C) | 140-143° C | ||