Rodinal age limitations

[fidget]

Hi, My usual film developer is ID11 (for HP5+,FP4+, Delta400, Delta100 and APX400s). I'm itching to have a go at Rodinal and have been given an unopened 500ml bottle by a friend who was clearing out their darkroom.
I cannot tell what age this is and don't know if this is very important. The leaflet inside says 6months once opened. What about storage unopened.
A number is stamped on the lid of the box "79081 L". Could this be meaningless or even.....1981 vintage!?

Dave..

Edit: Ah wait a minute! there's a web address on the box, it's unlikely that they had a web address in 1981. That seems better, I guess that my interpretation of the batch/date stamp is a little inaccurate...

 

[Uhner]

The content of your bottle will in all likelihood be as good as new. I have used Rodinal from bottles that have been open for several years with no problem.

 

[Akki14]

Have a read of this thread, you'll discover that Rodinal is basically unkillable by time (there was a url link here which no longer exists)

 

[fidget]

Oops! I just read a not-too-old thread on the use of Rodinal of all sorts of ages, so I guess that the age of my particular bottle (plastic) is not an issue.
Note for future: must search threads before I ask a question..........

 

[railwayman3]

Just out of curiosity, when were Rodinal bottles changed from glass to plastic? (I have an old, empty, glass Rodinal bottle, maybe pre-war...would like to know it's age. )

 

[Neanderman]

Just out of curiosity, when were Rodinal bottles changed from glass to plastic?

Sometime between the mid-70's and the early 80's.

Ed