Rhodamine is a generic term for a wide variety of cationic dyes whose fluorescence emission can range from green, orange to red. The table below lists the excitation and emission maxima (nm), as well as molar extinction coefficients (EC; cm-1 M-1), for various rhodamine dyes (data derived with dye dissolved in methanol).
| Dye |
Excitation |
Emission |
EC |
| Rhodamine B |
568 |
583 |
88,000 |
| Rhodamine 123 |
507 |
529 |
101,000 |
| Rhodamine 110 |
499 |
521 |
92,000 |
| Rhodamine 6G |
528 |
551 |
105,000 |
| XRITC |
572 |
596 |
92,000 |
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