Alizarin Yellow R Sodium Salt, 95+% (UV-Vis, Dye Content), Indicator, 100g

Alizarin Yellow R Sodium Salt,
95+% (UV-Vis, Dye Content), Indicator, 100g
For Research & Development
Not for drug, human, animal, or food use

Certificate of Analysis:
Appearance (Color) Orange to brown
Appearance (Form) Powder
Infrared Spectroscopy Conforms to structure
Visual Transition Interval from pH 10.2 (yellow) to pH 12.0 (red)
Extinction Coefficient min. 13600
Wavelength of max. Absorbance 370-380nm
Maximum Impurities: Loss on Drying (105 C, vacuum) 5%

CAS: 1718-34-9

FORMULA: C₁₃H₈N₃NaO₅