416 



The Philippine Journal of Science 



1913 



PHTHALOXIME 



c=o 

 c 6 h/ \ 



C=NOH 



Yellow phthaloxime 12 was prepared from phthalic anhydride 

 and hydroxylamine. It has been shown to give an absorption 



Oscillation frequency. 



26 28 3000 32 34 36 38 4000 



3.2 



3.0 



2.8 



~ 2.6 



5 2.4 



1 2.2 



E 2.0 



\ 



2\ 

 \ 



\ 















\ ■ \ 

 \ \ 

















\ 



















\ 



















\ 















j 





















































Fig. 15. Curve 1. Yellow phthaloxime in alcohol. Curve 2. Yellow phthaloxime in 

 6ulphuric acid. 



spectrum in alcohol solution containing a band at-r- =3400 and a 



small band at ^=3740. 13 



The sulphuric acid solution is faintly yellow, and shows a 

 well-marked band atv =3200 and a small band at- =3740 (fig. 



A A 



15). 



" Orndorff and Pratt, Am. Chem. Journ. (1912), 47, 89. 

 " Pratt and Gibbs, This Journal, Sec. A (1913), 8, 165. 



