James H. Stebbins
1879 Journal of the American Chemical Society  
A short time ago, I tried to obtain a new snlpho-nreate, from naphthalenediamine and KCNS. For that purpose I proceeded in the following manner : I dissolved 23.1 gms of naphthalenediamine hydro-chlorate, Cl0H6 (NHz)2(HCl)z, in as little distilled water as possible, and to this added 18.8 gms of KCKS. The mixture was stirred for a short time, and then heated for two or three hours. After the solution had cooled off, fine, long white needles made their appearance, some being as long as half an
more » ... ch, These are slightly soluble in water, but quite easily soluble in alcohol.
doi:10.1021/ja02150a001 fatcat:cv2m7inyhfa6louuk3z26szh4q