Name:C.I.Basic Violet 11,C.I.45175 C.I.Basic Violet 11,C.I.45175,CAS 2390-63-8,507.06,C30H35ClN2O3,Rhodamine 3B Molecular Formula:C30H35ClN2O3 Molecular Weight: 507.06 CAS Registry Number:2390-63-8Properties and Applications: red light purple. Soluble in water for a palm red fluorescent light purple solution, soluble in ethanol with scarlet fluorescent red solution. The strong sulfuric acid for green light yellow, diluted in red. The dye solution to join a red hydrochloric acid. Mainly used for paper, manufacture color dye settles organic pigments.Standard( Cotton )Light FastnessPersperation FastnessIroning FastnessSoapingFadingStainFadingStainFadingStainB112-31