The answer is 'Yes' and a little work/search on RG will help you.

For example, Figure 13 in:

Article Practical Feasibility of Arago-Biot and Lorentz-Lorenz Theor...

I attach this Figure.

It’s also trivial to measure RI with an Abbe refractometer and viscosity with a viscometer.

You may wish to look at this webinar (free registration required):

Uses of an Abbe refractometer

https://www.malvernpanalytical.com/en/learn/events-and-training/webinars/W120626AbbeRefractometer.html

For viscosity data for THF/water mixtures you may want to try:

https://pubs.acs.org/doi/full/10.1021/je030196t

or:

Article Origin of cononsolvency, based on the structure of tetrahydr...

Alan F Rawle thank you very much.