中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
三甘醇单甲醚 | triethylene glucol monomethyl ether | 112-35-6 | C7H16O4 | 164.202 |
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
七甘醇单甲醚 | 3,6,9,12,15,18,21-heptaoxadocosan-1-ol | 4437-01-8 | C15H32O8 | 340.414 |
2,5,8,11,14-五氧杂-16-十六烷醇 | 3,6,9,12,15-pentaoxahexadecanol | 23778-52-1 | C11H24O6 | 252.308 |
六乙二醇单甲醚 | hexaethylene glycol monomethyl ether | 23601-40-3 | C13H28O7 | 296.361 |
五亚乙基乙二醇二甲醚 | pentaglyme | 1191-87-3 | C12H26O6 | 266.335 |
六乙二醇二甲醚 | 2,5,8,11,14,17,20-heptaoxahenicosane | 1072-40-8 | C14H30O7 | 310.388 |
1,2-二[2-[2-(2-甲氧基乙氧基)乙氧基]乙氧基]乙烷 | Heptaaethylenglykol-dimethylaether | 1191-91-9 | C16H34O8 | 354.441 |
八甘醇单甲醚 | octaethylene glycol monomethyl ether | 25990-96-9 | C17H36O9 | 384.467 |
—— | 3,6,9,12,15-pentaoxahexadecanoic acid chloride | 75427-77-9 | C11H21ClO6 | 284.737 |
—— | 2,5,8,11,14,17,20-heptaoxadocosan-22-oyl chloride | 75427-78-0 | C15H29ClO8 | 372.843 |
—— | 2,5,8,11,14,17,20,23-octaoxahexacos-25-ene | 3205-10-5 | C18H36O8 | 380.479 |
Bis(2-ethylhexyl)phosphate ionic liquids show a temperature-dependent phase behaviour of the LCST-type and can extract transition metal ions very efficiently
We report data concerning the association of monovalent cations with some polyethyleneglycol ethers that we have prepared.1:1 association constants KA have been obtained in methyl alcohol at 25 °C using selective glass electrode potentiometric measurements for Na+ and K+ and conductimetric measure ments for Cs+ and Tl+.The values obtained for KA and for the selectivity ratio KA(K+)/KA(Na+) increase with the number of coordinating sites.Replacement of the two methoxy terminal groups in the chain by primary amide or ester groups reduces the complexing properties of the ligand.The stereochemistry of the coordination is discussed in the case of some biphenylic polyethers.