Trapp mixture
Appearance
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
- Köbrich, G.; Trapp, H. (1966). "Darstellung und thermische Stabilität von 1-Chlor-2.2-diaryl-vinyllithium-Verbindungen". Chem. Ber. 99 (2): 680. doi:10.1002/cber.19660990243.
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