UTC 2007 What kind of shelf life does sarin have I ve heard that it has a usuable shelf life of only two months in the context of arguments that even if Iraq had sarin stockpiles in the past they would be useless now PST Hi Highly pure rectified without traces of moisture HF and so on GB if stored below 50 C in teflon lined shells has a typical shelf life of up to 5 years so was considered stable enough for stockpile shell filling If combined with stabilizers pyridine triisopropylamine chlorobenzene its stability is even higher so that stabilised GB filled shells were considered deployable up to 10 years if properly stored i e cool in first place However binary GB is a far better technically speaking solution for stability and deployability of GB 23 40 28 October 2007