M-Butyl nitrite

After about fifteen minutes, the theoretical amount of freshly distilled M-butyl nitrite (95 g. for every 100 g. of phenylhydroxylamine) is added slowly through a dropping funnel (Note 3). The addition of butyl nitrite usually requires about one hour (Note 4), during which time the stream of ammonia gas is continued in order that ammonia may always be in excess. If this precaution be not observed, a colored product will result. The temperature of the reaction mixture should be maintained below xo° and this may be done best by controlling the rate at which the butyl nitrite is added. An appreciable rise in tem-... 

Butyl nitrite M-Butyl nitrite 5ec-Butyl nitrite... 

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