Name:C.I.Solvent Green 1,C.I.42000:1 C.I.Solvent Green 1,C.I.42000:1,CAS 41272-40-6,346.47,C23H26N2O,Malachite Green Base,Green 24617,Green FW,Green A Molecular Formula:C23H26N2O Molecular Weight: 346.47 CAS Registry Number:41272-40-6 Properties and Applications:brilliant blue light green. Soluble in water for cyan, soluble in ethanol are blue-green. In concentrated sulfuric acid to yellow, dilution after dark orange. Dye aqueous solution with sodium hydroxide have Copenhagen green precipitation.StandardLight FastnessHeat-resistant(℃)waterSodium Carbonate(5%)Hydrochloric acid(5%)Melting pointStableISOPoor60Fade