It would be like putting film in your checked bag.
However, in the examples of xray damage I've seen on the web, it doesn't produce overall fog, just a waving light pattern. Since in the bottle, your liquid light can't make an image, with luck, it might result in some level of fogging, that you may be able to live with. But it could easily fog it into unusability.
If at all possible I think I'd mail it to your destination.
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