Please define the kind of dye molecules and define the substituents (p.e. COOH or NH2......a.s.o.). Do you want to perform a qsar analysis for biological or pharmaceutical purposes.
For biological , please start google and give : R.W. Horobin and QSDAR and dyes.
Please define the typ of your computer (Workstation or laptop...) and the software used for the database format.
QSAR is very old method and was performed with software like QSARis (Software no longer avaible) several decades ago.
Dataimport:
MS Access or Excel and SD files were used. please read : Cramer III,R.D. et al JACS 110 5959 (1988) for 3D QSAR too.