Orcein Powder 5g

OR0020-5g

Also known as Natural Red 28

Specification
.Abs 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)
.Lod (@110 deg C): <2.0%
Suppliers certificate accepted

CAS #  1400-62-0; 28H24N2O7;M wt 500.51 g/mol