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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 up to -110 °C and the same (4:1:1) mixture is liquid up to to -120 °C. Note that pure THF melts at -108.4 °C.

Online source

References

  1. Köbrich, G.; Trapp, H. Chem. Ber. 1966,99, 680
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