6-Methylhepta-3,5-dien-2-one
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1604-28-0CC(=O)C=CC=C(C)CKSKXSFZGARKWOW-UHFFFAOYSA-NSee also: 6-Methyl-3,5-heptadien-2-one (annotation moved to).
1604-28-0DTXSID7051761almost insoluble in water; soluble in oils
Miscible at room temperature (in ethanol)
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Warning
H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
P261, P264, P264+P265, P272, P280, P302+P352, P305+P351+P338, P321, P332+P317, P333+P317, P337+P317, P362+P364, and P501 (click each P-code to see the statement)
Aggregated GHS information provided per 1609 reports by companies from 8 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Beschreibung6-Methyl-3,5-heptadien-2-one has a cinnamon-like odor with a coconut undertone. May be prepared by reacting 2-methylbuten- 2-al with acetone in the presence of sodium ethylate or sodium hydroxide; by pyrolysis of tertiary actylenic carbinyl acetoacetates in the presence of an acid catalyst.
OccurrenceReported as occurring in the oil of lavandin, grapes, tomato and tomato paste, green tea, filberts, cooked rice and rice bran, licorice, corn oil and lemon balm
Verwenden6-Methyl-3,5-heptadien-2-one is used in the preparation of (RS)-(E)-2,6-dimethyl-1,2-epoxy-3,5-heptadiene.
synthetischeBy reacting 2-methylbuten-2-al with acetone in the presence of sodium ethylate or sodium hydroxide; by pyrolysis of tertiary acetylenic carbinyl acetoacetates in the presence of an acid catalyst.
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