Thanks for the reply. So just to confirm...
I'm making the solution as part of a C-41 Bleach recipe I'm mixing:
(Pot. Ferricyanide 90g, Pot. Bromide 20g, diSodium Phosphate 6.8g, Sod. Thiocyanate 5% Solution + Water to 1 litre)

So is it okay to include the Isopropyl alcohol to this mix?