Quinaidine Red Indicator 95% Dye Content
2-(4-Dimethylaminostyryl)-1-ethylquinolinium iodide
Product Code. |
02240 |
Grade |
|
Purity |
CAS No. |
117-92-0 | |
Molecular Formula |
C21H23IN2 |
Molecular Weight |
430.32 |
H.S.Code |
2933.39900 |
Shelf Life |
60 Months |
Physical Properties
| Physical state at 20 °C |
Solid |
Colour |
Green powder |
Flash point [°C] |
93.3°C |
Packaging
Specification
| Appearance | Green coloured powder |
| Transition range (pH 1.4 - 3.2) | Colorless to red |
| Absorption maxima | 528 - 533 nm |
| Absorptivity (A 1%/1cm; at lmax; in glacial acetic acid; on dried substances) | 1150 - 1250 |
| Water (H2O) | Max 5% |
| Suitability (as indicator) | Passes test |
Safety Information and Hazard Symbols