2',7'-Difluorofluorescein

Chemical Properties

Boiling point	591.7±50.0 °C(Predicted)
Density	1.70±0.1 g/cm3(Predicted)
solubility	Insoluble in water; soluble in N,Ndimethylformamide
form	A solid
pka	4.8, (at 22℃);4.7, (at 22℃)
color	Orange powder
Appearance	Solid Powder
ex/em	λex 498, 332 nm; λem 526 nm; pH 8
λmax	490 nm (Buffer pH 9.0)
Major Application	As geothermal tracers;TiO2 nanoparticles for light energy conversion
Biological Applications	Detecting atherosclerosis;detecting/monitoring amyloid Aβ production/accumulation/aggregation/disaggregation; diagnosing Alzheimer’s disease;estimating/measuring concentration of cortisol, melatonin, secretory IgA in body fluids;11 evaluating cetuximab-based imaging probe to target epidermal growth factor receptor (EGFR);examining biodistribution of proteins;investigating/measuring protein-protein and protein-nucleic acid interactions;measuring pH of apoplast at the root surface;visualizing hair follicles;as a substrate for measuring β-lactamase activity,phosphatases activity
InChI	InChI=1S/C20H10F2O5/c21-13-5-11-17(7-15(13)23)26-18-8-16(24)14(22)6-12(18)20(11)10-4-2-1-3-9(10)19(25)27-20/h1-8,23-24H
InChIKey	FJXJIUHGLVUXQP-UHFFFAOYSA-N
SMILES	C12(C3=C(C=C(O)C(F)=C3)OC3=C1C=C(F)C(O)=C3)C1=C(C=CC=C1)C(=O)O2