QUINALDINE RED INDICATOR
QUINALDINE RED INDICATOR
Short Name: QUINALDINE RED INDICATOR
Synonym: 2-(4-Dimethylaminostyryl)-1-ethylquinolinium iodide
Basic Details
Article No.
LG3888
Grade
Purity
95% Dye content
CAS No.
117-92-0
HS Code
2933.3990
Shelf Life
60 Months
Packings Avialable
Physical Properties
Physical state at 20 °C
Solid
Colour
Green powder
Flash point [°C]
93.3°C
Chemical 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 & Hazard Symbols