Orcein Synthetic

Molecular Formula C28H24N2O7
Molecular Weight 500.51 g/mol
Absorption Ratio: 1.02 (0.98-1.15)
Wavelength of Max Absorption (NaOH 0.01mol/L): 579hm (575-580nm)
Absorptivity 1%1cm @ lambda max: 331 (270-330)
Loss on Drying (@110 deg C): <2.0%

Cas Number: 1400-62-0

Einecs Number: 215-750-6

HS Code / Commodity Code: 3822900000

Hazard Phrases: H302

Prec Phrases: P264,P270,P301+P312,P330,P501