3-methyl-3-butenal

Structural formula
General
Surname	3-methyl-3-butenal
other names	Isoprenal
Molecular formula	C 5 H 8 O
External identifiers / databases
EC number	631-205-9
ECHA InfoCard	100.159.466
PubChem	11622328
Wikidata	Q75166887
properties
Molar mass	84.12 g mol −1
Physical state	liquid
safety instructions
GHS labeling of hazardous substances Caution
H and P phrases	H: 315-319-335
	P: ?
	As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

3-Methyl-3-butenal ( isoprenal ) is an organic compound with the empirical formula C ₅ H ₈ O from the group of aldehydes with an additional C = C double bond , more precisely the alkenals . The C = C double bond and the aldehyde group are isolated from one another, similar to 3-butenal .

It is produced by the oxidation of isoprenol on Ag / SiO ₂ at 500 ° C; it is an intermediate product in the preparation of citral .

Individual evidence

↑ InfoCard on 3-methyl-3-butenal from the European Chemicals Agency (ECHA), accessed on November 16, 2019.
↑ Thomas Netscher and Werner Bonrath: Synthesis of isophytol and total synthesis of (all-rac) -α-tocopherol ; The current newsreel of the GDCh, 2008, week 28.
↑ Patent application WO2008037693 : Continuous process for the production of citral. Registered on September 26, 2006 , published on April 3, 2008 , applicant: BASF SE, inventor: Günter Wegner, Gerd Kaibel, Jörg Therre, Werner Aquila and Hartwig Fuchs. ‌

[1] InfoCard on 3-methyl-3-butenal from the European Chemicals Agency (ECHA), accessed on November 16, 2019.

[2] Thomas Netscher and Werner Bonrath: Synthesis of isophytol and total synthesis of (all-rac) -α-tocopherol ; The current newsreel of the GDCh, 2008, week 28.

[3] Patent application WO2008037693 : Continuous process for the production of citral. Registered on September 26, 2006 , published on April 3, 2008 , applicant: BASF SE, inventor: Günter Wegner, Gerd Kaibel, Jörg Therre, Werner Aquila and Hartwig Fuchs. ‌