| Article No | B-01543 | ||
| CAS No | 4196-99-0 | ||
| HSN Code | 32049000 | ||
| Purity | 70% Dye Content | ||
| Grade | For Microscopy | ||
| Molecular Formula | C22H14N4Na2O7S2 | ||
| Molecular Weight | 556.49 | ||
| Shelf Life | 5 years | ||
25 gm

100 gm
| Description | Dark brown powder | ||
| Dye content | Min. 70% | ||
| Absorption maxima (in water) | 506 – 510 nm | ||
| Specific Absorptivity A1%/1cm ( λmax 0.001g/l; water, on dried subs.) | 530 - 740 | ||