pentanone


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pentanone

[′pen·tə‚nōn]
(organic chemistry)
Either of two isomeric ketones derived from pentane: CH3COC3H7 is a flammable, colorless, clear liquid, a mixture of methyl propyl and diethyl ketones; insoluble in water, soluble in ether and alcohol; used as a solvent. C2H5COC2H5 is a colorless, flammable liquid with acetone aroma, boiling at 101°C; soluble in alcohol and ether; used in medicine and organic synthesis.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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(a) Serial Peak RT Peak Compound number (min) area (%) detected Major group 1 4.472 0.94 Pentanone, Synthetic 4-hydroxy-4-methyl intermediate 2 11.561 2.11 1,2,4- Aromatic Trimethylbenzene hydrocarbon 3 21.586 10.11 Citronellal Monoterpenoid 4 31.599 2.26 Citronellol Aromatic isobutanoate ether 5 32.338 3.87 2-Pyridinethione Organic sulfur compound 6 55.638 16.36 Hexadecanoic Aliphatic acid acids 7 57.858 1.52 Thio sulfuric Sulfur acid oxoacid 8 61.176 19.17 9,12-Octadecadienoic Essential acid fatty acids 9 61.714 4.69 Benzenemethanol< Phenolic 4-hydroxy- > alcohols Ipsdienol 10 65.348 19.37 Hexalactone Cyclic <gamma-> esters Decalactone <gamma-> 11 67.053 1.10 No matches -- found 12 41.47 0.31 Unknown -- (a) Serial number CAS number Mol.
For the research, PVDF pellets ([M.sub.r]~180,000, Aldrich) and PVDF granules ([M.sub.w]~534,000, Aldrich) were dissolved in various solvents, namely dimethyl formamide (DMF), dimethoxy--tetrahydrofuran, methyl pentanone and a mixture of dimethyl formamide with acetone.