MononitrobenztriazoU Wol Nitroben zolhydr

oxy-a-vic-triazole or 4-Hitrob enzazimidol,

orn crysts of the monohydrate lose w ca 140° and deflgr ca 229° with evoln of flame and smoke; easily sol in dil ale; diffc sol in w. Can be prepd by treating 2,6-dinitrophenylhydrazone with cold NaOH soln or warm ammonia

Refs: l)Beil 26,(11) 2)W.Borsche & D.Rantscheft Ann 379,172(1911)

6*Mononitro*benzotriazoUUol; (6-Nitrobenzo-l •hydroxy)-a-vic-triazole or 6-Nitro-benzazimidol, mw 180.12, N 31.11%, yel crysts, mp deflgr 190-2° (Ref 2), dec explosively 206°(Refs 3 & 4); sol in hot w, hot ale or hot NB; insol in eth, ligroin or benz. Can be prepd by heating 4-chloro-l,3-dinitrc>-benzene with hydrazine hydrate in alc(Ref 4) or by other methods(Refs 1,2 & 3). Forms many salts, some of them expl, such as: Potassium salt, KCg-H3N403, orn-yel crysts, dec explosively on heating; Sodium siz//,NaC6H3N403, red ndls, dec expl on heating(Ref 2); Hydrazine salt, C6H4N403.N2 H4, yel ndls (from ale), dec at 205-6° Refs: l)Beil 26,48 & [26] 2)T.Curtius,JPraktChem 76, 374 & 383-5(1907) 3)L.Spiegel,Ber 41,886(1908) 4)O.L.Brady & J.N.E.DayJCS 123,2226(1923) 5)M.Tomita & K.IkawaJPharm-Socjapan, 75,457(1955) & CA 50,2480(1956) Chem 76,374 & 383-5(1907) 3)M.Tomita & K. Ikawa,JPharmSocJapan, 75,457(1955) & CA 50, 2480(1956)

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