ISSN print edition: 0366-6352 ISSN electronic edition: 1336-9075 Registr. No.: MK SR 9/7 Published monthly

Molecular compounds [between alcohols, carbonyl compounds, etc.] indicated by the Ulehla osmometer

V. Kellö

Slovak Technical University, Bratislava

Abstract: Curves connecting velocity of osmosis with mol. compn. of solns., as obtained with an Ulehla reed-membrane osmometer, suggest that mol. compds. are formed between members of the group, poly-HO alcs., sugars, aldehydes, and carboxylic acids on the one hand, and mono-HO alcs., ethers, and ketones on the other. The mol. compns. of compds. formed in the systems studied are: CH₂O-MeOH, -BuOH, -COMe2, -COMeEt, and -Et₂O, COMe₂-glycol and -1,2,5-hexanetriol (I), and Et₂O-triglycol (II), -I, and -AcOH, 1:1; -COMe₂-II, 2:1; COMe₂-glycerol (III) and -HCO₂H, 3:1; COMe₂-L-arabitol, 5:1; COMe₂-D-glucose and -H₂C₂O₄, 6:1; COMe₂-sucrose (IV) and -tartaric acid, 8:1; COMe₂-citric acid, 10:1; Et₂O-glycol, 1:2; Et₂O-III, 2:1; Et₂O-D-fructose 4:1; Et₂O-IV 7:1; and Et₂O-H₂C₂O₄ 4:1. Compds. are not formed in the systems CH₂O-III, -II, -IV, -(CH₂CH₂OH)₂ (V), -HO[CH₂]₂CHOHMe, and -AcOH, COMe₂-MeOH and -V, Et₂O-MeOH, -COMe₂, and -V, V-AcOH, EtOAc-MeOH, and -CH₂O.

Full paper in Portable Document Format: 17a205.pdf (in Slovak)

Chemical Papers 1 (7) 205–210 (1947)