Rhodamine pH-Probe 585-7.0

Basic Information

structure
Rhodamine pH-Probe 585-7.0
N,N’-di(3-azapentane-1,5-diyl)-4’-(2-carboxyethylmercapto)-2’,3’,5’,6’-tetrafluo...
C30H29F4N4O3S
601.60g / Mol
Xanthen
Can be grafted to amino groups via DCC/NHS; pH Indicator - complete fluorescence quenching at basic pH, pKa 6.9, absorption is red-shifted by 20nm. Apparent pKa in pH sensors: 6.1 on poly(hydroxyethylmethacrylate) particles, 5.4 on silica gel particles

References

1
D.Aigner et al., Talanta (2012), 99, 194-201., DOI: 10.1016/j.talanta.2012.05.039

Overview

560 nm
589 nm
Water PH 5.00
102000 M-1cm-1

Absorption

560 nm
102000 M-1cm-1
Varian Cary 50 UV-VIS

Emission

589 nm
yes
-
Hitachi F7000

More parameters

Water PH 5.00
-

References

1
D.Aigner et al., Talanta (2012), 99, 194-201., DOI: 10.1016/j.talanta.2012.05.039
spectra uploaded by Daniel Aigner

Provide more Spectra

Quantum Yields

67%
Reference Standard
Rhodamine 101
Hitachi F-7000
Water
5.00

Lifetimes


Availabilities

Academic sharing
Sergey M Borisov
sergey.borisov@tugraz.at

Applications

pH-Indicator
fluorescent labeling