Crystallise xanthatin from MeOH, aqueous MeOH, EtOH or aqueous EtOH. UV: 213 and 275nm (max 7300). The 2,4-dinitrophenylhydrazone has m 240o(dec) (twice recrystallised from CHCl3/MeOH). [Geissman et al. J Am Chem Soc 76 685 1954, Deuel & Geissman J Am Chem Soc 79 3778 1957, Beilstein 17 III/IV 6221, 17/1 V 305.]
