Rhodamine B
CAS: 81-88-9
Molecular Formula: C28H31ClN2O3
Molecular Weight: 479.01
Product description:Green crystal or red purple powder, soluble in water, ethanol, slightly soluble in acetone, chloroform, hydrochloric acid and sodium hydroxide solution; Dilute aqueous solution as the blue and red, strong fluorescence, its aqueous sodium hydroxide involvement is rose red, floc after heating. In concentrated sulfuric acid is yellow brown, with a strong green fluorescence, diluted in scarlet, later became blue light red to orange.In the cosmetics industry, can be used in the bath, shampoo, cold water products such as coloring, but shall not be used for cosmetics in the eye, mouth and lips.
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