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Safranine O
Safranine o or basic red 2 is used as a counter stain in some
staining protocols, coloring all cell nuclei red. This is the classic
counter stain in a Gram stain. It can also be used for the detection of
cartilage, mucin and mast cell granules.
Features:
| CAS No. | 477-73-6 | | C.I.No. | 50240 | | Chemical Formula | C20H19ClN4 | | Molecular Weight | 350.85 | | Dye Content | ~95% | | Absorption Max (EtOH 50%) | 530 - 534 nm | | Absorptivity (1%,1cm) | > 1350 (on dry basis) | | Loss On Drying (110° c) | 8% max |
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