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QUINALDINE RED INDICATOR
| Article No. | Grade | Purity | CAS No. | Molecular Formula | Molecular Weight | H.S. Code | Shelf Life |
|---|---|---|---|---|---|---|---|
| SC3670 | 95% Dye content | 117-92-0 | C21H23IN2 | 430.32 | 2933.3990 | 60 Months |
Packings
| 1 g,5 g |
Physical Properties
| Physical state at 20 °C | Solid |
| Colour | Green powder |
| Flash point [°C] | 93.3°C |
Specifications
| Appearance | Green to black powder or crystalline powder |
| Identity (IR) | Passes test |
| Solubility (0.1% in ethanol) | Clear dark red to purple |
| Absorption maxima (λmax1 in ethanol) | 527 - 533 nm |
| Extinction coefficient at λmax1 | Min 58000 |
| Absorption maxima (λmax2 in ethanol) | 325 - 331 nm |
| Extinction coefficient at λmax2 | Min 10000 |
| Absorption maxima (λmax3 in ethanol) | 279 - 285 nm |
| Extinction coefficient at λmax3 | Min 8800 |
| Dye content | Min 95.0% |
Safety Information and Hazard Symbols
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