Is soldering flux known to be light sensitive?

I got a big jug but the big jug it arrived in is deformed and doesn't look like it's going to hold so I am going to transfer it over to some bottles for long term storage (I don't use that much and so it's going to last a loooonnnggg time). But I was wondering if it was light sensitive or whether I need to use opaque bottles.

  • 1
    \$\begingroup\$ It's probably light-sensitive, and depending on the composition, possibly temperature-sensitive as well. Some liquid fluxes want to be refrigerated during storage. \$\endgroup\$
    – rdtsc
    Oct 29, 2020 at 18:48
  • \$\begingroup\$ Hmmmm. I was planning on using amber-glass bottles which I have, but opaque glass bottles are a lot harder to get a hold of. \$\endgroup\$
    – DKNguyen
    Oct 29, 2020 at 18:50
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    \$\begingroup\$ Worst case, wrap the container in foil. Biology labs often have hundreds of light sensitive specimens (fluorescent probes, etc) stored like this. \$\endgroup\$ Oct 29, 2020 at 18:56
  • \$\begingroup\$ @jsotola I know, I was being facetious ;) \$\endgroup\$
    – DKNguyen
    Oct 29, 2020 at 19:04
  • \$\begingroup\$ @DKNguyen noted ... lol \$\endgroup\$
    – jsotola
    Oct 29, 2020 at 19:09


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