Dye Structure
Properties
- Chemical Formula: C57H56ClN5Na2O11S3
 - Molecular Weight: 1164.71 g/mol
 - Exact Mass: 1163.26
 - Correction Factor at 260 – 280 nm: 4%
 
Absorption and Emission Spectra
| Solvent | Absorption Maxima | Emission Maxima | 
|---|---|---|
| Methanol | 680 nm | 694 nm | 
| 1X PBS | 672 nm | 694 nm | 
Absorbance and Emission Spectra in 1X PBS

Molar Absorptivity
| Solvent | Molar Absorptivity (L mol-1 cm-1) | 
|---|---|
| Methanol | 170,000 | 
| 1X PBS | 165,000 | 
| 1:1 Methanol to 1X PBS | 165,000 | 




