tetrahydrofuran

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tet·ra·hy·dro·fur·an

 (tĕt′rə-hī′drə-fyo͝or′ăn′, -fyo͝o-răn′)
n.
A clear, colorless, highly flammable liquid cyclic ether, C4H8O, used as a solvent for natural and synthetic resins and in polymerization.

tetrahydrofuran

(ˌtɛtrəˌhaɪdrəˈfjʊəræn)
n
(Chemistry) a colourless liquid used as a solvent
References in periodicals archive ?
Using tetrahydrofurane (THF) as the solvent, the extraction time was decreased four-fold while the fraction extracted was increased thrice at room temperature by using ultrasounds under 20 kHz frequency.
Sodium diphenyl amino-4-sulfonate (>99%; Sigma-Aldrich), ammonium persulfate (98%; Sigma-Aldrich), sodium hydroxide (Fluka), sodium sulfate (Merck), hydrochloric acid (37%; Merck), ammonium hydroxide (Sigma-Aldrich), analytical grade ethanol (Merck), tetrahydrofurane (Merck), and diethyl ether (Merck) were used in synthesis of the polymers.
Indeed, the prepared copolymers are insoluble in dichloromethane, ethanol, tetrahydrofurane but they can dissolve in dimethylformamide.
First, oxidative hydroboration of separated exo-benzyllactol exo-7b, with the hydroborane tetrahydrofurane complex used, afforded a mixture of regio- and diasereoisomeric bicyclic alcohols exo-8b + exo-9b.
Thermo-optical studies of solutions of asphaltenes in toluene and tetrahydrofurane [22] have shown that the solvent molecules can be trapped during aggregation of asphaltenes resulting in minimum diffusivities (D) before 50 mg/l and an increase in D at higher concentrations until a constant value is reached near 2000 mg/l.
2,4-Dihydroxy benzaldehyde (DHB), 2-amino-3-methylpyridine (3-MAP), 2-amino-4-methylpyridine (4-MAP), 2-amino-6-methylpyridine (6-MAP), 2,4-toluene-diisocyanate (TDI), dimethylformamide (DMF), dimethylsulfoxide (DMSO), tetrahydrofurane (THF), methanol (MeOH), ethanol (EtOH), acetone, acetonitrile, toluene, ethyl acetate, CH[Cl.
The liquid product (water + thermobitumen + oil) was extracted with hexane and tetrahydrofurane.