Rhodamine 6G

• CAT Number: R025495
• CAS Number: 989-38-8
• Molecular Formula: C₂₈H₃₁ClN₂O₃
• Molecular Weight: 479.01
• Purity: ≥95%
• Synonyms: 6-Carboxyrhodamine; Aizen Rhodamine 6GCP; Basic Red 1; Basonyl Red 482; Basonyl Red 483; C.I. 45160; C.I. Basic Red 1; Calcozine Red 6G; Calcozine Rhodamine 6GX; Eljon Pink Toner; Exciton 590; Fanal Pink B; Fanal Pink GFK; Fanal Red 25532; Flexo Red
• Storage: Store at -20°C
• IUPAC Name: [9-(2-ethoxycarbonylphenyl)-6-(ethylamino)-2,7-dimethylxanthen-3-ylidene]-ethylazanium;chloride
• InChI: InChI=1S/C28H30N2O3.ClH/c1-6-29-23-15-25-21(13-17(23)4)27(19-11-9-10-12-20(19)28(31)32-8-3)22-14-18(5)24(30-7-2)16-26(22)33-25;/h9-16,29H,6-8H2,1-5H3;1H
• InChIKey: VYXSBFYARXAAKO-UHFFFAOYSA-N
• SMILES: CCNC1=CC2=C(C=C1C)C(=C3C=C(C(=[NH+]CC)C=C3O2)C)C4=CC=CC=C4C(=O)OCC.[Cl-]

Rhodamine 6G(CAT: R025495) is a xanthene-based fluorescent dye renowned for its high quantum yield, exceptional photostability, and strong absorption/emission in the visible spectrum (excitation ~530 nm, emission ~550–570 nm). It is widely used in fluorescence microscopy, laser dye systems, flow cytometry, and spectroscopic studies. Rhodamine 6G exhibits excellent solubility in water and organic solvents, making it versatile for biological labeling, tracer studies, and laser gain media in dye lasers. Its intense fluorescence and low detection limits support sensitive analytical applications, including DNA/protein detection and fluorescence-based assays in cell biology, environmental monitoring, and chemical sensing.