RS Components has 2.5, 1 and 0.5 litre 99.7% Isopropyl Alcohol ....
https://au.rs-online.com/web/p/produ...E&gclsrc=aw.ds
I have a spray can version from some time ago for cleaning circuit boards, fux etc... but not sure if it was also from RScomponents.
For Jeremy:
RS Components is widespread throughout the UK (with some outlets in or close to Wales), see:
https://www.google.com/search?q=RS+c...E,lf:1,lf_ui:4
Best
JA