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Trapp mixture

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The Trapp mixture is a specific mixture of organic solvents for chemical reactions taking place at very low temperatures. The mixture THF:diethyl ether: pentane (4:4:1) is a liquid down to -110 °C and the same (4:1:1) mixture is liquid down to −120 °C. Note that pure THF melts at −108.4 °C.

References

  1. Köbrich, G.; Trapp, H. (1966). "Darstellung und thermische Stabilität von 1-Chlor-2.2-diaryl-vinyllithium-Verbindungen". Chem. Ber. 99: 680. doi:10.1002/cber.19660990243.{{cite journal}}: CS1 maint: multiple names: authors list (link)
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