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EOSIN BLUE For Microscopy C.I.No.45400 It is used for plasma staining, vital staining & staining Negri bodies in nerve tissue preparation. 4′,5′-Dibromo-2′,7′-dinitrofluorescein disodium salt, Acid Red 91, Eosin Scarlet, Eosin bluish, Saffrosine
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Specification
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General
Description
| Article No. | 03640 | Grade | For Microscopy |
| Purity | 85% dye content | CAS No. | 548-24-3 |
| Molecular Formula | C20H6Br2N2Na2O9 | Molecular Weight | 624.09 |
| H.S. Code | 3204.9000 | Shelf Life | 60 Months |
Physical Properties
| Physical state at 20 °C | Solid | Colour | Black powder | ||||
Specifications
| Appearance | Brown to dark green powder | Dye content (by spectrophotometry) | Min 85% |
| Absorptivity (A 1%/1cm; at λmax; in water) | Min 800 | Solubility (0.1% in water) | Clear solution |
| Absorption maxima in water | 517 – 520 nm | Loss on drying (at 110°C) | Max 8% |
| Suitability (for microscopy) | Passes test |
Safety Information and Hazard Symbols
Safety Statement: 22-24/25
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