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δ-Octalactone

δ-Octalactone structure

δ-Octalactone 

structure
  • CAS No:

    698-76-0

  • Formula:

    C8H14O2

  • Chemical Name:

    δ-Octalactone

  • Synonyms:

    2H-Pyran-2-one,tetrahydro-6-propyl-;Octanoic acid,5-hydroxy-,δ-lactone;Octanoic acid,5-hydroxy-,lactone;Tetrahydro-6-propyl-2H-pyran-2-one;5-Hydroxyoctanoic acid lactone;5-Hydroxyoctanoic acid δ-lactone;δ-Octalactone;δ-Propyl-δ-valerolactone;5-Octanolide;(±)-δ-Octalactone;(RS)-δ-Octalactone;δ-Octanolactone;104426-32-6

  • Categories:

    Cosmetic Ingredient  >  Perfuming

Description

Δ-Octalactone has a sweet, fatty, coconut, tropical, dairy odor.


colourless to pale yellow liquid with a coconut-like odour


Delta-octanolide is a delta-lactone.

δ-Octalactone Basic Attributes

142.2

142.20

111515

211-820-5

DTXSID5047164

2932999099

Characteristics

26.3

1.9

colourless to pale yellow liquid with a coconut-like odour

1.0±0.1 g/cm3

-14°C

115-117 °C @ Press: 12 Torr

125°C

1.436

Not miscible or difficult to mix in water.

LD50 orl-rat: >5 g/kg FCTOD7 20,783,80

Safety Information

NONH for all modes of transport

2

36/37/38-36/38

26-36-37

UQ1355500

P264, P280, P302+P352, P305+P351+P338, P321, P332+P313, P337+P313, P362

H315

Not Classified

δ-Octalactone Use and Manufacturing

Methods of Manufacturing

It is made from 5-hydroxyoctanoic acid with NaBH4 reduction lactonization.

Uses

GB 2760-1996 stipulates the allowable food flavors.

2H-Pyran-2-one, tetrahydro-6-propyl-: ACTIVE

Food additives -> Flavoring Agents|Flavoring Agents -> JECFA Flavorings Index|Fatty Acyls [FA] -> Fatty esters [FA07] -> Lactones [FA0704]

Flavoring Agents

Computed Properties

Molecular Weight:142.20
XLogP3:1.9
Hydrogen Bond Acceptor Count:2
Rotatable Bond Count:2
Exact Mass:142.099379685
Monoisotopic Mass:142.099379685
Topological Polar Surface Area:26.3
Heavy Atom Count:10
Complexity:120
Undefined Atom Stereocenter Count:1
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

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