NNBismethylstriazo Uylformamidine or

3,3'-Bis(5-methyl- 1H- 1,2,4-triazolyV'formamidine,

H,C.C—N= C —N:CH.NH—C-N—C.CH3; mw 206.21, 3 ll I I II 3

N 53.34%; wh rhombs, mp 275°; was prepd by boiling for 2 hrs, 2 mols of 3-amino-5-methyl-s -triazole with an excess of over 1 mol ethyl orthoformate, followed by cooling. This high -nitrogen compd was patented as a stabilizer for photographic emulsions. Its expl props were not investigated

H.G.Suggate.USP 2, 534,914(1950) & CA 45, 2350(1951) 3)Ibid,USP 2,588,538(1952) & CA 46,4405-6(1952)

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