Safranin is also termed as SAFRANIN -O. Another name for it is BASIC RED 2. Safranin is a biological stain which is used in histology. It is also useful in cytology. Safranin is used as a counter stain in some staining protocols.Safranins are obtained by the joint oxidation of one molecule of a para -diamine with two molecules of a primary amine.
| Chemical Name | 3,7-diamino-2,8-dimethyl-5-phenyl-phenazinium chloride |
| C.I.No. | 50240 |
| C.I.Genetic Name | Basic Red 2 |
| C.A.S. NO | 477-73-6 |
| Chemical Formula | BC20H19ClN4 |
| Molecular Weight | 350.85 gm/mole |
| Dye Content (Spectrophotometry) | =>98% |
| Absorption Max (50% Ethanol) | = 530 - 534 nm |
| Absorptivity (A1%/1cm., in 50% Ethanol) | =>1450 |
| Loss On Drying (110° C) | = < 5 % |
