CHEMICAL PROPERTIES 



601 



arsenicals are shown below, but again these do not necessarily represent 

 the form in solution. 



AS2O3 AsO(OH) 



Arsenic trioxide Arsenious acid 



CI— CH=CH— As C1-CH=CH— As=0 



ASH3 

 Arsine 



6 



As^ 

 Cacodylic acid 



i 



Lewisite oxide Phenylarsenoxide 



p-Amino- 

 phenylarsenoxide 

 (reduced atoxyl) 



CI CI 

 "^As^ 



NHj 



Oxophenarsine Dichlorophenarsine 



(Mapharsen) (Chlorarsen) 



CH2 



CHj 

 COOH 



NH2 

 NH-('^ V 



Melarsen oxide 



HO^II^OH 

 As 



HO^II/O" Na' 

 As 



Phenylarsonic acid 



NHj 



Sodium arsanilate 

 (atoxyl) 



HO^II OH 

 As 



NH— CONH2 

 Carbarsone 



HOJI/6 Na^ 



NH— COCH3 

 Arsacetin 



NH-COCH3 

 OH NH— CHjCONH^ 



Acetarsone Tryparsamide 



:As 



:As 



As: 



OH 



Arsphenamine 



NH, HjN Y^ y^ ^iHCH^SC^Na 



OH OH OH NHCHjCOd NHCH2COO 



Neoarsphenamine Arsenophenylglycine 



