Appearance:

dark red crystals

Molecular weight:

638.17

Molecular formula:

C₃₀H₃₅N₂NaO₈S₂

Solubility:

very high in water

Quality control:

NMR 1H (95%), 13C, HPLC-MS

Storage conditions:

Storage: 24 months after receival at -20°C in the dark. Transportation: at room temperature for up to 3 weeks. Avoid prolonged exposure to light.

Excitation maximum, nm:

548

Extinction coefficient at excitation maximum, Lmol-1cm-1:

162000

Emission maximum, nm:

563

Fluorescence quantum yield:

0.1

CF260:

0.03

CF280:

0.06