RXMARINE CHEMICAL TAG::
Blue colored powder Identity (UV/VIS Spectrum), Passes test. Absorption maximum in acetic acid, 610-615 nm. Loss on drying at 105°C, Max. 1.0%.
red light blue. Soluble in acetone, ethanol, benzene and soluble fiber element, slightly soluble in carbon tetrachloride. The strong sulfuric acid as dark blue light in purple, dilute dark after precipitation.