1-octen-3-one

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Structural formula
Structural formula of 1-octen-3-one
General
Surname 1-octen-3-one
other names
  • Pentyl vinyl ketone
  • Vinyl amyl ketone
Molecular formula C 8 H 14 O
Brief description

yellowish liquid

External identifiers / databases
CAS number 4312-99-6
EC number 224-327-5
ECHA InfoCard 100.022.116
PubChem 61346
Wikidata Q5074300
properties
Molar mass 126.20 g mol −1
Physical state

liquid

density

0.84 g cm −3

boiling point

174-182 ° C

Vapor pressure

23 hPa (20 ° C)

solubility
  • practically insoluble in water
  • miscible with oils and ethanol
Refractive index

1.435 (20 ° C)

safety instructions
GHS labeling of hazardous substances
02 - Highly / extremely flammable 07 - Warning

Caution

H and P phrases H: 226-302
P: 210-233-303 + 361 + 353-370 + 378-403 + 235-501
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions . Refractive index: Na-D line , 20 ° C

1-Octen-3-one is a chemical compound from the group of α, β-unsaturated ketones .

Occurrence

1-Octen-3-one is formed in small quantities when linoleic acid is oxidized in air. It is also found in milk, mushrooms and fruits and is formed from skin fats as a significant part of the metallic odor when human skin comes into contact with iron .

properties

1-Octen-3-one is a yellowish flammable liquid with a mushroom-like and metallic odor, which is practically insoluble in water.

safety instructions

The vapors of 1-octen-3-one can form an explosive mixture with air ( flash point 52 ° C).

Individual evidence

  1. a b c d e f g h i j Entry for CAS no. 4312-99-6 in the GESTIS substance database of the IFA , accessed on April 21, 2016(JavaScript required) .
  2. a b George A. Burdock: Fenaroli's Handbook of Flavor Ingredients, Fifth Edition . CRC Press, 2004, ISBN 978-1-4200-3787-6 , pp. 1963 ( limited preview in Google Book Search).
  3. Data sheet 1-Octen-3-one, 96% from Sigma-Aldrich , accessed on April 21, 2016 ( PDF ).
  4. Hans-Dieter Belitz, Werner Grosch: Textbook of food chemistry . Springer-Verlag, 2013, ISBN 978-3-662-08308-6 , pp. 433 ( limited preview in Google Book search).
  5. a b Wolfgang Legrum: Fragrances, between stench and fragrance Occurrence, properties and use of fragrances and their mixtures . Springer-Verlag, 2015, ISBN 978-3-658-07310-7 , pp. 105 ( limited preview in Google Book search).