Any air tight container and a suitable dessicant can be used as a makeshift dessicator.
It will re-arrange into brown/black unusable state in about a week if left/stored wet.
IMO the best way is to make as needed so long term storage considerations don't have to be made. It's much easier/safer to store hydroquinone for long periods if a stockpile is needed.
Yes, it's a little more work, but your guarenteed fresh benzo with no decomposition.
-oc
PS. Start your pdcl2 stirring while you work the benzo synth up. Straight from one reaction to the next.
PSS. Egads, you ever baked benzo? I tried once, the smell was too aweful. Use a makeshift dessicator.
Signature-less, Again.