2,6-DIMETHYL-2,5-HEPTADIEN-4-ONE

2,6-DIMETHYL-2,5-HEPTADIEN-4-ONE Basic information
Product Name:2,6-DIMETHYL-2,5-HEPTADIEN-4-ONE
Synonyms:diisopropylidineacetone;Foron;Phoron;s-Diisopropylidene acetone;DIISOPROPYLIDENEACETONE;2,6-DIMETHYL-2,5-HEPTADIEN-4-ONE;2,6-DIMETHYL-2,5-HEPTADIENE-4-ONE;SYM-DIISOPROPYLIDENEACETONE
CAS:504-20-1
MF:C9H14O
MW:138.21
EINECS:207-986-3
Product Categories:
Mol File:504-20-1.mol
2,6-DIMETHYL-2,5-HEPTADIEN-4-ONE Structure
2,6-DIMETHYL-2,5-HEPTADIEN-4-ONE Chemical Properties
Melting point 23-26 °C(lit.)
Boiling point 198-199 °C(lit.)
density 0.885 g/mL at 25 °C(lit.)
vapor density 4.8 (vs air)
vapor pressure 0.38 mm Hg ( 20 °C)
refractive index n20/D 1.497(lit.)
Fp 175 °F
storage temp. 2-8°C
solubility Chloroform (Slightly), Methanol (Slightly)
form Solid
color Light Yellow to Yellow
Merck 7333
CAS DataBase Reference504-20-1(CAS DataBase Reference)
EPA Substance Registry SystemPhorone (504-20-1)
Safety Information
WGK Germany 3
RTECS MI5500000
HS Code 2914199090
MSDS Information
ProviderLanguage
SigmaAldrich English
2,6-DIMETHYL-2,5-HEPTADIEN-4-ONE Usage And Synthesis
Chemical PropertiesYellow liquid or yellow green prismatic crystal
UsesDiisopropylidene Acetone is a reagent used in the preparation of biaryls by Suzuki-Miyaura cross coupling reaction.
DefinitionChEBI: Phorone is a dialkenyl ketone.
General DescriptionA yellowish liquid with a solvent-like odor. Density 7.3 lb / gal. Very low vapor pressure (0.38 mm Hg at 68°F). Flash point 185°F. Combustible but difficult to ignite. Used as a solvent for lacquers and coatings.
Air & Water ReactionsSlightly soluble in water.
Reactivity ProfileKetones, such as 2,6-DIMETHYL-2,5-HEPTADIEN-4-ONE, are reactive with many acids and bases liberating heat and flammable gases (e.g., H2). The amount of heat may be sufficient to start a fire in the unreacted portion of the ketone. Ketones react with reducing agents such as hydrides, alkali metals, and nitrides to produce flammable gas (H2) and heat. Ketones are incompatible with isocyanates, aldehydes, cyanides, peroxides, and anhydrides. They react violently with aldehydes, HNO3, HNO3 + H2O2, and HClO4.
Health HazardInhalation or contact with material may irritate or burn skin and eyes. Fire may produce irritating, corrosive and/or toxic gases. Vapors may cause dizziness or suffocation. Runoff from fire control or dilution water may cause pollution.
Safety ProfileModerately toxic by subcutaneous route. Combustible when exposed to heat or flame; can react with oxidizing materials. To fight fire, use foam, CO2, dry chemical. When heated to decomposition it emits acrid smoke and irritating fumes. See also ISOPHORON
Purification MethodsCrystallise phorone repeatedly from EtOH. [Beilstein 1 IV 3564.]
Leucodin hydroxyachillin (3S,3AR,4S,9AS,9BR)-4-HYDROXY-3,6,9-TRIMETHYL-3,3A,4,5,9A,9B-HEXAHYDRO-AZULENO[4,5-B]FURAN-2,7-DIONE AURORA KA-491 molephantin 3,5-Dibromo-2,6-dimethyl-2,5-heptadien-4-one SALOR-INT L160083-1EA AKOS NCG-0033 (3S)-4β-Acetoxy-3,3aβ,4,5,9aβ,9bα-hexahydro-3β,6,9-trimethylazuleno[4,5-b]furan-2,7-dione 7-[(tert-Butyloxycarbonyl)amino]-2,6-dimethyl-2,5-heptadien-4-one 3-Heptyl-6,6-dimethyl-3,4-heptadien-2-one 2,6-Dimethyl-2,5-heptadien-4-one(Phorone) 4,6-Dimethyl-3,5-heptadien-2-one 2,5-BIS(CYCLOPENTYLLIDENE)CYCLOPENTANONE-1 PHORONE, (2,6-DIMETHYL-2,5-HEPTADIEN-4-ONE) molephantinin 2,6-DIMETHYL-2,5-HEPTADIEN-4-ONE

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