Dimethylpropyleneurea-water mixtures .1. Physical-properties.

Stroka, J.; Herfort, I. M.; Schneider, H.

doi:10.1007/BF00647101

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Dimethylpropyleneurea-water mixtures .1. Physical-properties.

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Stroka, J.
Research Group Electrochemistry and Reaction Kinetics in Solution, MPI for biophysical chemistry, Max Planck Society;

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Herfort, I. M.
Department of Membrane Biophysics, MPI for biophysical chemistry, Max Planck Society;

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Schneider, H.
Research Group Electrochemistry and Reaction Kinetics in Solution, MPI for biophysical chemistry, Max Planck Society;

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Citation

Stroka, J., Herfort, I. M., & Schneider, H. (1990). Dimethylpropyleneurea-water mixtures.1. Physical-properties. Journal of Solution Chemistry, 19(8), 743-753. doi:10.1007/BF00647101.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0013-0D7A-6

Abstract

Densities, refractive indices, viscosities, dielectric constants and the absorptions of several solvatochromic indicators have been determined at 25°C for mixtures of N,N′-dimethyl-N,N′-propyleneurea (DMPU) and water in the complete mole fraction scale. the results are compared with the properties of hexamethylphosphotriamide (HMPT) and its mixtures with water which show a striking similarity to DMPU and its mixtures with water. Since HMPT was found to be carcinogenic in animal tests, DMPU offers a suitable substitute since it may be regarded as safe under laboratory conditions.