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General Material Information

Preferred name delta-undecalactone
Trivial Name δ-Undecalactone
Short Description undecano-1,5-lactone
Formula C11 H20 O2
CAS Number 710-04-3
Deleted CAS Number 118100-37-1
FEMA Number 3294
ECHA Number 211-915-1
FDA UNII ERL32M2M38
Nikkaji Number J35.390F
Beilstein Number 0122724
MDL MFCD00006650
COE Number 688
NMR Predictor External link
JECFA Food Flavoring 234 5-hydroxyundecanoic acid lactone
FDA Patent No longer provide for the use of these seven synthetic flavoring substances
FDA Mainterm 710-04-3 ; 5-HYDROXYUNDECANOIC ACID LACTONE
Synonyms
  • 5-hexyl pentan-5-olide
  • 6-hexyl tetrahydro-2H-pyran-2-one
  • delta- hexyl valerolactone
  • 6-hexyl-3H-4,5,6-trihydropyran-2-one
  • 5-hexyl-5-hydroxypentanoic acid lactone
  • 5-N- hexyl-5-hydroxypentanoic acid lactone
  • delta- hexyl-delta-valerolactone
  • 6-hexyl-tetrahydro-pyran-2-one
  • 6-hexyloxan-2-one
  • 5-hexylpentan-5-olide
  • 6-hexyltetrahydro-2H-pyran-2-one
  • d- hexylvalerolactone
  • 5-hydroxyundecanoic acid lactone
  • 2H- pyran-2-one, 6-hexyltetrahydro-
  • d- undecalactone
  • undecalactone delta
  • delta- undecalactone FCC
  • delta- undecalactone natural
  • delta- undecalactone, mixture of isomers
  • undecano-1,5-lactone
  • undecanoic acid, 5-hydroxy-, d-lactone
  • undecanoic d-lactone
  • (±)- undecanoic delta-lactone
  • d- undecanolactone
  • 5-undecanolide
  • undecanolide-1,5
  • 6-hexyloxan-2-one
  • 2H-Pyran-2-one, 6-hexyltetrahydro-
  • Undecanoic acid, 5-hydroxy-, δ-lactone
  • Hendecanoic acid, 5-hydroxy-, lactone
  • 6-Hexyltetrahydro-2H-pyran-2-one
  • δ-Hexylvalerolactone
  • Δ-Hexyl-Δ-valerolactone
  • 5-Hydroxyundecanoic acid lactone
  • δ-Undecalactone
  • 5-Undecanolide
  • (±)-δ-Undecalactone
  • (RS)-δ-Undecalactone
  • δ-Undecanolactone
  • 6-Hexyl-2H-tetrahydropyran-2-one
  • Undecanoic-δ-lactone

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Other Information

(IUPAC):Atomic Weights of the Elements 2011 (pdf)
Videos:The Periodic Table of Videos
tgsc:Atomic Weights use for this web site
(IUPAC):Periodic Table of the Elements
FDA Substances Added to Food (formerly EAFUS):View
CHEBI:View
CHEMBL:View
HMDB (The Human Metabolome Database):HMDB36784
FooDB:FDB015726
Export Tariff Code:2932.20.5050
VCF-Online:VCF Volatile Compounds in Food
ChemSpider:View

PhysChem Properties

Material listed in food chemical codex Yes
Molecular weight 184.27879333496
Specific gravity @ 25 °C
Pounds per Gallon 7.955 to 7.996
Refractive Index 1.457 to 1.461 @ 20 °C
Boiling Point 152 to 155°C @ 10.5 mm Hg
Boiling Point 130 to 135°C @ 5 mm Hg
Acid Value 5 max KOH/g
Vapor Pressure 0.002 mmHg @ 25 °C
Flash Point TCC Value 110 °C TCC
logP (o/w) 2.978 est
Shelf life 24 months (or longer if stored properly.)
Storage notes Store in cool, dry place in tightly sealed containers, protected from heat and light.
Solubility
alcohol Yes
water, 128.3 mg/L @ 25 °C (est) Yes
water No

Organoleptic Properties

Odor Type: Coconut
creamy, fatty, coconut, fruity, peach, waxy, milky, lactonic, green
Odor strength medium
Substantivity 400 hour(s) at 100.00 %
Luebke, William tgsc, (1988) At 100.00 %. creamy fatty coconut fruity peach waxy
Mosciano, Gerard P&F 21, No. 3, 51, (1996) Creamy, coconut, fruity, peach, milky, waxy and lactonic with a slight, green, fruity nuance
Flavor Type: Creamy
creamy, coconut, milky, lactonic, buttery, fatty, waxy, fruity
Mosciano, Gerard P&F 21, No. 3, 51, (1996) At 10.00 ppm. Creamy, coconut, milky, creamy, lactonic and butter fat with a waxy, fruity nuance
Lactone notes for a variety of flavors especially cream and other dairy flavors, as well as fruit flavors such as peach, apricot and mango. Sweet lactone
Useful in: brown nuts, dairy, vanilla, savory meat, fruity red, fruity yellow, fruity tropical, alcoholics. Lactony, sweet, peach, apricot, plum
UNDECALACTONE DELTA has a great combination of fruity and lactonic profiles which is excellent for dairy, butter, coconut and fruit flavors. Milky, creamy, peach notes

Occurrences

Potential Uses

Applications
Odor purposes Apricot, Butter, Coconut, Cream, Fruit, Peach, Vanilla
Flavoring purposes Milk, Tropical
Other purposes Waxy
Cosmetic purposes Perfuming agents

Safety Information

Safety information

Preferred SDS: View
European information :
Most important hazard(s):
None - None found.
S 02 - Keep out of the reach of children.
S 24/25 - Avoid contact with skin and eyes.
S 36 - Wear suitable protective clothing.
Hazards identification
Classification of the substance or mixture
GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)
None found.
GHS Label elements, including precautionary statements
Pictogram
Hazard statement(s)
None found.
Precautionary statement(s)
None found.
Oral/Parenteral Toxicity:
oral-rat LD50 > 5000 mg/kg
(Moreno, 1975i)

Dermal Toxicity:
skin-rabbit LD50 > 5000 mg/kg
(Moreno, 1975i)

Inhalation Toxicity:
Not determined

Safety in use information

Category:
flavor and fragrance agents
RIFM Fragrance Material Safety Assessment: Search
IFRA Code of Practice Notification of the 49th Amendment to the IFRA Code of Practice
Recommendation for delta-undecalactone usage levels up to:
10.0000 % in the fragrance concentrate.
Maximised Survey-derived Daily Intakes (MSDI-EU): 300.00 (μg/capita/day)
Use levels for FEMA GRAS flavoring substances on which the FEMA Expert Panel based its judgments that the substances are generally recognized as safe (GRAS).
The Expert Panel also publishes separate extensive reviews of scientific information on all FEMA GRAS flavoring substances and can be found at FEMA Flavor Ingredient Library
publication number: 5
Click here to view publication 5
average usual ppmaverage maximum ppm
baked goods: -25.00000
beverages(nonalcoholic): -2.00000
beverages(alcoholic): --
breakfast cereal: -5.00000
cheese: --
chewing gum: --
condiments / relishes: --
confectionery froastings: --
egg products: --
fats / oils: --
fish products: --
frozen dairy: -5.00000
fruit ices: -5.00000
gelatins / puddings: --
granulated sugar: --
gravies: -1.00000
hard candy: -5.00000
imitation dairy: --
instant coffee / tea: --
jams / jellies: --
meat products: -1.00000
milk products: -10.00000
nut products: --
other grains: --
poultry: --
processed fruits: --
processed vegetables: --
reconstituted vegetables: --
seasonings / flavors: --
snack foods: --
soft candy: --
soups: -1.00000
sugar substitutes: --
sweet sauces: --

Safety references

European Food Safety Athority(EFSA):Flavor usage levels; Subacute, Subchronic, Chronic and Carcinogenicity Studies; Developmental / Reproductive Toxicity Studies; Genotoxicity Studies...

European Food Safety Authority (EFSA) reference(s):

Opinion of the Scientific Panel on Food Additives, Flavourings, Processing Aids and Materials in contact with Food (AFC) on a request from the Commission related to - Flavouring Group Evaluation 10: Aliphatic primary and secondary saturated and unsaturated alcohols, aldehydes, acetals, carboxylic acids and esters containing an additional oxygenated functional group and lactones from chemical groups 9, 13 and 30 - (Commission Regulation (EC) No 1565/2000 of 18 July 2000)
View page or View pdf

Flavouring Group Evaluation 10, Revision 1 (FGE10 Rev1)[1] - Aliphatic primary and secondary saturated and unsaturated alcohols, aldehydes, acetals, carboxylic acids and esters containing an additional oxygenated functional group and lactones from chemical groups 9, 13 and 30 - Scientific Opinion of the Panel on Food Additives, Flavourings, Processing Aids and Materials in Contact with Food (AFC)
View page or View pdf

Flavouring Group Evaluation 64 (FGE.64): Consideration of aliphatic acyclic diols, triols, and related substances evaluated by JECFA (57th meeting) structurally related to aliphatic primary and secondary saturated and unsaturated alcohols, aldehydes, acetals, carboxylic acids and esters containing an additional oxygenated functional group and lactones from chemical groups 9, 13 and 30 evaluated by EFSA in FGE.10Rev1 (EFSA, 2008ab)
View page or View pdf

Scientific Opinion on Flavouring Group Evaluation 92 (FGE.92): Consideration of aliphatic acyclic diols, triols, and related substances evaluated by JECFA (68th meeting) structurally related to aliphatic primary and secondary saturated and unsaturated alcohols, aldehydes, acetals, carboxylic acids and esters containing an additional oxygenated functional group and lactones evaluated by EFSA in FGE.10Rev1 (2009)
View page or View pdf

Scientific Opinion on Flavouring Group Evaluation 10, Revision 2 (FGE.10Rev2): Aliphatic primary and secondary saturated and unsaturated alcohols, aldehydes, acetals, carboxylic acids and esters containing an additional oxygenated functional group and lactones from chemical groups 9, 13 and 30
View page or View pdf

EPI System: View
AIDS Citations:Search
Cancer Citations:Search
Toxicology Citations:Search
EPA Substance Registry Services (TSCA):710-04-3
EPA ACToR:Toxicology Data
EPA Substance Registry Services (SRS):Registry
Laboratory Chemical Safety Summary :61204
National Institute of Allergy and Infectious Diseases:Data
WGK Germany:2
6-hexyloxan-2-one
Chemidplus:0000710043
RTECS:UQ1320000 for cas# 710-04-3