ChemicalBook > CAS DataBase List > 5-Decanolide

5-Decanolide

Product Name
5-Decanolide
CAS No.
705-86-2
Chemical Name
5-Decanolide
Synonyms
δ-Decalactone;2H-Pyran-2-one, tetrahydro-6-pentyl-;DELTA-DECALACTONE;Decalactone Delta;D-DECALACTONE;δ-Decanolactone;6-pentyloxan-2-one;FEMA 2361;δ-Decanolide;-decalactone
CBNumber
CB4173140
Molecular Formula
C10H18O2
Formula Weight
170.25
MOL File
705-86-2.mol
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5-Decanolide Property

Melting point:
-27 °C (lit.)
Boiling point:
117-120 °C/0.02 mmHg (lit.)
alpha 
0°(neat)
Density 
0.954 g/mL at 25 °C (lit.)
vapor pressure 
0.63Pa at 25℃
refractive index 
n20/D 1.458(lit.)
FEMA 
2361 | DELTA-DECALACTONE
Flash point:
>230 °F
storage temp. 
Sealed in dry,Room Temperature
solubility 
Chloroform (Slightly), Methanol (Slightly)
form 
Oil
color 
Clear Colourless
Specific Gravity
0.9720.954
Odor
at 100.00 %. fresh sweet oily coconut fruity peach creamy dairy
Odor Type
coconut
biological source
synthetic
Water Solubility 
Soluble in water (4 mg/ml at 28°C), alcohols, and propylene glycol.
JECFA Number
232
BRN 
117520
InChIKey
GHBSPIPJMLAMEP-UHFFFAOYSA-N
LogP
3.016 at 25℃
CAS DataBase Reference
705-86-2(CAS DataBase Reference)
NIST Chemistry Reference
5-Hydroxy decanoic acid, lactone(705-86-2)
EPA Substance Registry System
2H-Pyran-2-one, tetrahydro-6-pentyl- (705-86-2)
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Safety

Hazard Codes 
Xi
Risk Statements 
36/37/38
Safety Statements 
24/25-37/39-26
WGK Germany 
1
RTECS 
UQ1355000
Hazard Note 
Irritant
TSCA 
Yes
HS Code 
29322090
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P270Do not eat, drink or smoke when using this product.

P271Use only outdoors or in a well-ventilated area.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P332+P313IF SKIN irritation occurs: Get medical advice/attention.

P337+P313IF eye irritation persists: Get medical advice/attention.

P501Dispose of contents/container to..…

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
W236128
Product name
δ-Decalactone
Purity
natural, ≥98%, FCC, FG
Packaging
1 unit
Price
$58.5
Updated
2025/07/31
Sigma-Aldrich
Product number
W236128
Product name
δ-Decalactone
Purity
natural, ≥98%, FCC, FG
Packaging
1 unit
Price
$58.5
Updated
2025/07/31
Sigma-Aldrich
Product number
W236128
Product name
δ-Decalactone
Purity
natural, ≥98%, FCC, FG
Packaging
100g
Price
$785
Updated
2025/07/31
Sigma-Aldrich
Product number
W236128
Product name
δ-Decalactone
Purity
natural, ≥98%, FCC, FG
Packaging
1kg
Price
$5740
Updated
2025/07/31
Sigma-Aldrich
Product number
W236101
Product name
δ-Decalactone
Purity
≥98%, FCC, FG
Packaging
1 unit
Price
$56.3
Updated
2025/07/31
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5-Decanolide Chemical Properties,Usage,Production

Chemical Properties

clear colorless to light yellow oily liquid

Chemical Properties

5-Decanolide is a flavor constituent of many types of fruit, cheese, and other dairy products. It is a colorless, viscous liquid with a creamy-coconut, peach-like aroma.

Chemical Properties

δ-Decalactone has an oily, peach odor and taste.

Occurrence

Reported found in rum, coconut, raspberry, apricot, bilberry, peach, strawberry, Swiss cheese, other cheeses, butter, milk, milk powder, mutton fat, mango and nectarine.

Uses

Used in pharmaceutical preparations, feed additive, flavorings agent. Also used by food and flavor industries for its coconut fragrance and taste. It is also used as a reagent in the synthesis of (±)-Massoilactone (M197600); a chemical component with antibacterial activity found in volatile oils.

Preparation

δ-Decalactone can be prepared by peracid oxidation of 2-pentylcyclopentanone. (R)-δ-decalactone is obtained in high optical purity by starting from (R)-2- pentylcyclopentanone . Hydrogenation or fermentation of massoia lactone is also a practicable method to produce this enantiomer.
A newer development for the preparation ofδ-decalactone describes a carboxylation of 1-nonen-4-ol with carbon monoxide in the presence of a homogenous palladium catalyst in an aqueous system.

Definition

ChEBI: A delta-lactone that is 5-valerolactone substituted by a pentyl group at position 6.

Aroma threshold values

Detection: 100 ppb

Taste threshold values

Taste characteristics at 2 ppm: waxy, coconut, lactonic, fatty, creamy, nutty and fruity.

Synthesis Reference(s)

The Journal of Organic Chemistry, 55, p. 462, 1990 DOI: 10.1021/jo00289a016

General Description

Measurement of optical rotatory dispersion and circular dichroism of (+) 5-decanolide (tetrahydro-6-pentyl-2H-pyran-2-one) has been reported.

Flammability and Explosibility

Not classified

Synthesis

From hexylethylene oxide and sodium malonic ester; also from decanoic acid.

5-Decanolide Preparation Products And Raw materials

Raw materials

Decanoic acid

Preparation Products

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View Lastest Price from 5-Decanolide manufacturers

Shaanxi Dideu New Materials Co. Ltd
Product
5-Decanolide 705-86-2
Price
US $0.00-0.00/KG
Min. Order
1KG
Purity
99.0%
Supply Ability
10000KGS
Release date
2025-06-27
WUHAN FORTUNA CHEMICAL CO., LTD
Product
5-Decanolide 705-86-2
Price
US $0.00/Kg/Drum
Min. Order
1KG
Purity
99%min
Supply Ability
1000KGS
Release date
2021-07-05
Hebei Chuanghai Biotechnology Co., Ltd
Product
5-Decanolide 705-86-2
Price
US $10.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
10 mt
Release date
2024-11-29

705-86-2, 5-DecanolideRelated Search:

(-)-Corey lactone diol TRIOXSALEN D-(+)-Glucono-1,5-lactone 3-Methyl-1,2-cyclopentanedione Polycaprolactone BETA-BUTYROLACTONE D-Glucurone Ethyl 2-(Chlorosulfonyl)acetate Folic acid 4-Hydroxycinnamic acid Spironolactone 12-HYDROXYSTEARIC ACID Ascoric Acid Chlorophacinone delta-Tetradecalactone Lovastatin Undecanolactone Simvastatin Decalactone Delta

  • 5-HYDROXYDECANOIC ACID BETA1 LACTONE
  • 5-HYDROXYDECANOIC ACID DELTA-LACTONE
  • (+/-)-5-DECANOLIDE
  • AMYL-DELTA-VALEROLACTONE
  • (+/-)-6-PENTYLTETRAHYDRO-2H-PYRAN-2-ONE
  • 5-Hydroxydecanoic acid lactone
  • δ-Caprinolactone
  • (6S)-6α-Pentyltetrahydro-2H-pyran-2-one
  • (S)-5-Hydroxydecanoic acid 1,5-lactone
  • (S)-6α-Pentyltetrahydro-2H-pyran-2-one
  • (S)-Tetrahydro-6-pentyl-2H-pyran-2-one
  • (S)-δ-Decanolide
  • 5-decalactone
  • FEMA 2361
  • D-DECALACTONE
  • DECALACTONE, DELTA-(SG)
  • DELTA-DECANOICLACTONE
  • DECALACTON DELTA
  • Decan-5-olid
  • D-DECALACTONE WITH GC
  • DELTA-DECALACTONE, NATURAL
  • delta-lactone
  • δ-Decalactone,Natural
  • δ-Amyl-δ-valerolactone
  • δ-Decanolactone, (±)-δ-Pentyl-δ-valerolactone, (±)-6-Pentyltetrahydro-2H-pyran-2-one, 5-Hydroxydecanoic acid δ-lactone
  • δ-Decanolactone, (±)-δ-Pentyl-δ-valerolactone, (±)-5-Decanolide, (±)-6-Pentyltetrahydro-2H-pyran-2-one, 5-Hydroxydecanoic acid δ-lactone
  • delta-Decalactone,95%
  • Tetrahydro-6-pentylpyran-2-one
  • δ-Decalactone >=98.0%
  • (±)-δ-Pentyl-δ-valerolactone (±)-5-Decanolide
  • δ-Decalactone,δ-Decanolactone, (±)-δ-Pentyl-δ-valerolactone, (±)-5-Decanolide, (±)-6-Pentyltetrahydro-2H-pyran-2-one, 5-Hydroxydecanoic acid δ-lactone
  • (±)-δ-Pentyl-δ-valerolactone
  • δ-Decanolide
  • dinweiguineihzi
  • Decalactone Delta
  • delta-Decanolactone 95+%
  • delta-Decalactone - nature identical
  • Natural delta-decalactone
  • Amyl-delta-valerolactone delta-Caprinolactone
  • Ethanethioic acid,S-Methyl ester (9CI)
  • 6-pentyloxan-2-one
  • Natural 5-Decanolide
  • (+/-)-DELTA-PENTYL-DELTA-VALEROLACTONE
  • DELTA-CAPRINOLACTONE
  • DELTA-DECALACTONE
  • DELTA-DECANOLACTONE
  • δ-decalactone,5-decanolide;δ-lactone5-hydroxydecanoicacid
  • i-decalactone
  • i-decanolactone
  • AI3-36028
  • -decalactone
  • Decanoic acid, 5-hydroxy-, delta-lactone
  • Decanolide-1,5
  • delta-Amylvalerolactone
  • tetrahydro-6-pentyl-2h-pyran-2-on
  • tetrahydro-6-pentyl-2H-Pyran-2-one
  • decan-5-olide
  • d-Decanolactone