The hose assembly pictured is leaking a clear, gummy liquid from a leak at the joint where the steel pipes go into the little barrel shaped canister. I'm assuming that the substance is compressor oil of some sort, or what ever R12 in liquid form looks like.
The A/c on the car doesn't work, as someone has removed the compressor drive belt. There is very little, if any, pressure in the system, as pushing in the schrader valve only makes a faint, barely audible hiss.
I'm wondering if this can be fixed with a careful brazing around the leak, which I can better id later when I pull the entire hose off the car? Would the heat hurt anything inside (besides the obvious rubber parts, but they appear to be well away from the leaking spot)?
This is an expensive hose that I'd like to save.

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1986 560SL
2002 Toyota Camry
1993 Lexus