tetrahydrofuran


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tetrahydrofuran:

see furfuralfurfural
or furfuraldehyde
[Lat.,=bran], C4H3OCHO, viscous, colorless liquid that has a pleasant aromatic odor; upon exposure to air it turns dark brown or black. It boils at about 160°C;.
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Tetrahydrofuran

 

(also tetramethylene oxide or furanidine), a colorless liquid with an ether-like odor. Tetrahydrofuran is miscible with water and many organic solvents. It boils at 65.6°C and has a density of 0.889 g/cm3 at 20°C.

Tetrahydrofuran is obtained by the catalytic hydrogenation of furan. It is typically used as a solvent for polyvinyl chloride or to replace ethyl ether in the laboratory synthesis of organomagnesium compounds, particularly magnesium vinyl bromide. The products of the homopolymerization and copolymerization of tetrahydrofuran are used as starting materials in the manufacture of urethane rubbers.

tetrahydrofuran

[¦te·trə‚hī·drə′fyu̇‚rän]
(organic chemistry)
C4H8O A clear, colorless liquid with a boiling point of 66°C; soluble in water and organic solvents; used as a solvent for resins and in adhesives, printing inks, and polymerizations. Abbreviated THF.
References in periodicals archive ?
A physical mixture of the silylated clay and poly(norbornene) was prepared in tetrahydrofuran (the same reaction solvent of the polymerization) and an aliquot was solution cast onto a carbon-coated copper TEM grid.
2+] Abbreviations and Acronyms FTIR Fourier Transform Infrared GPC Gel Permeation Chromatography HPLC High Performance Liquid Chromatography LC Liquid Chromatography MS Mass Spectrometry MWT Molecular Weight NMR Nuclear Magnetic Resonance RPLC Reverse-Phase Liquid Chromatography Pyro-GC/MS Pyrolysis Gas Chromatography Mass Spectrometry SEC Size Exclusion Chromatography THF Tetrahydrofuran UV Utraviolet
Ethylenediamine, ethanol, benzene, tetrahydrofuran (THF) and hexane were from S.
Except for pyridine and tetrahydrofuran, quantitative approximations can be done on the number-average molecular mass between the cross-links for non-polar and polar solvents.
In lab tests, Scherer and his coworkers dissolved a carboxylic-acid-containing polymer in the organic solvent tetrahydrofuran.
This process is analogous to reduction of organic species by alkali metals in solvents such as tetrahydrofuran and dimethoxyethane (Hoijtink et al.
com/research/4g4xzc/chinese_markets) has announced the addition of the "Chinese Markets for Tetrahydrofuran (THF)" report to their offering.
Rising spandex and tetrahydrofuran demand for sports apparels is anticipated to fuel Butanediol industry over the forecast period.
The effects of different organic solvents such as benzene, tetrahydrofuran, acetone, I-butanol, I-propanol, ethanol, methanol, ethanolamine, dimethylsulfoxide, and 2-propanol on hydrogel selling were inspected.
The company focuses primarily on the marketing and sale of methanol, butanediol, tetrahydrofuran, acetic acid and vinyl acetate monomer.
25 g for anhydride B) in 20 ml of tetrahydrofuran (THF).