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- W1576288077 abstract "(keto) [123-54-6] C5H8O2 (MW 100.13) InChI = 1S/C5H8O2/c1-4(6)3-5(2)7/h3H2,1-2H3 InChIKey = YRKCREAYFQTBPV-UHFFFAOYSA-N (enol) [1522-20-9] InChI = 1S/C5H8O2/c1-4(6)3-5(2)7/h3,6H,1-2H3/b4-3- InChIKey = POILWHVDKZOXJZ-ARJAWSKDSA-N (carbon–carbon condensations involving mono-, di-, and trianions; formation of pyrazoles, isoxazoles, pyrroles, and pyridines; catalysis by metal chelates) Alternate Names: acetylacetone; acac. Physical Data: liquid, bp 45 °C/30 mmHg;26 d 0.975 g cm−3. Keto form: mp −23 °C; bp 134–136 °C.24 Enol form: mp −9 °C.24 Solubility: misc organic solvents; sol dil HCl; slightly sol hot H2O.24 Form Supplied in: commercially available liquid, in which the enol form predominates; the keto form predominates in aq soln. Preparative Methods: conveniently prepared by BF3-catalyzed reaction of acetone and acetic anhydride, or by reaction of ethyl acetate, acetone, and NaOEt.25 Purification: distillation after drying over anhyd K2CO3; several other methods are available.26 Handling, Storage, and Precautions: moderately toxic; reactions should be conducted in a well-ventilated fume hood." @default.
- W1576288077 created "2016-06-24" @default.
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- W1576288077 date "2001-04-15" @default.
- W1576288077 modified "2023-10-14" @default.
- W1576288077 title "2,4-Pentanedione" @default.
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