Article No. | Grade | Purity | Cas no. | Molecular Formula | Molecular Weight | H.S. Code | Shelf Life |
---|---|---|---|---|---|---|---|
C0079700001 | For Microscopy | 70% dye content | 10510-54-0 | C18H15N3O3 | 321.33 | 3204.9000 |
60 Months |
Physical state at 20 °C
Solid
Colour
Dark green
Odour
Odorless
Melting Point/ Freezing point [°C]
140 - 143 °C
Appearance: |
Dark green powder |
Suitability (for microscopy): |
Passes test |
TLC test: |
Passes test |
Absorption maxima in 50% ethanol: |
596 - 599 nm |
Dye content (by spectrophotometry): |
Min 70.0% |
Identity (UV/VIS spectrum): |
Passes test |
Specific absorptivity A 1%/1cm (lmax;0.0005%;ethanol 50%): |
980 - 1400 |
Loss on drying ( at 50°C; <1hPa): |
Max 25.0% |