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General Material Information

Preferred name tuberolide
Trivial Name 4-Methyl-5-pentyl-4,5-dihydro-2(3H)-furanone
Short Description methyl tuberate (Givaudan)
Formula C10 H18 O2
CAS Number 33673-62-0
Flavis Number 10.052
ECHA Number 251-629-4
FDA UNII Search
Nikkaji Number J308.517A
xLogP3-AA 3.00 (est)
NMR Predictor External link
Synonyms
  • dihydro-4-methyl-5-pentyl furan-2(3H)-one
  • dihydro-4-methyl-5-pentyl furanone
  • dihydro-4-methyl-5-pentylfuran-2(3H)-one
  • 2(3H)- furanone, dihydro-4-methyl-5-pentyl-
  • 3-methyl nonano-1,4-lactone
  • methyl tuberal L
  • methyl tuberate (Givaudan)
  • methyl tuberate pure (Givaudan)
  • 3-methyl-2-nonenoic acid addition
  • 4-methyl-5-pentyl dihydro-2(3H)-furanone
  • 4-methyl-5-pentyldihydro-2(3H)-furanone
  • 4-methyl-5-pentyldihydrofuran-2(3H)-one
  • 4-methyl-5-pentyloxolan-2-one
  • 3-methylnonano-1,4-lactone
  • 4-methyl-5-pentyloxolan-2-one
  • 2(3H)-Furanone, dihydro-4-methyl-5-pentyl-
  • Dihydro-4-methyl-5-pentyl-2(3H)-furanone
  • β-Methyl-γ-nonalactone
  • NSC 29897
  • 4-Methyl-5-pentyl-4,5-dihydro-2(3H)-furanone
  • 4-Methyl-5-pentyldihydrofuran-2(3H)-one

US / EU / FDA / JECFA / FEMA / Scholar / Patents

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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
HMDB (The Human Metabolome Database):Search
VCF-Online:VCF Volatile Compounds in Food
ChemSpider:View
Wikipedia:View
EFSA Update of results on the monitoring of furan levels in food:Read Report
EFSA Previous report: Results on the monitoring of furan levels in food:Read Report
EFSA Report of the CONTAM Panel on provisional findings on furan in food:Read Report

PhysChem Properties

Material listed in food chemical codex No
Molecular weight 170.25186157227
Vapor Pressure 0.012 mmHg @ 25 °C
Flash Point TCC Value 120 °C TCC
logP (o/w) 2.477 est
Solubility
alcohol Yes
water, 455 mg/L @ 25 °C (est) Yes
Stability
alcoholic - good Unspecified
antiperspirant spray - moderate Unspecified
APC (pH = 10) - moderate Unspecified
candles - good Unspecified
damp fabric - good Unspecified
dry fabric - moderate Unspecified
liquid bleach - poor Unspecified
pH = 2 - poor Unspecified
powder detergent - moderate Unspecified
powder detergent + activator - moderate Unspecified
soap - good Unspecified
toiletries - good Unspecified

Organoleptic Properties

Odor Type: Floral
waxy, lactonic, metallic, tuberose, plum
Odor strength medium , recommend smelling in a 10.00 % solution or less
Substantivity 168 hour(s) at 100.00 %
Luebke, William tgsc, (2008) At 10.00 % in dipropylene glycol. waxy lactonic metallic tuberose plum
Flavor Type: Waxy
waxy, lactonic, coconut, fatty, floral, plum skin, dirty, winey
Luebke, William tgsc, (2008) Waxy lactonic coconut fatty floral plum skin dirty winey

Occurrences

Safety Information

Safety information

European information :
Most important hazard(s):
Xi - Irritant
R 36/38 - Irritating to skin and eyes.
S 02 - Keep out of the reach of children.
S 24/25 - Avoid contact with skin and eyes.
S 26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
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 2000 mg/kg
Methyl Tuberate is a powerful modifier in all kinds of floral accords. The characteristic note of Methyl Tuberate imparts a natural touch of white flower, such as tuberose and gardenia. It can be used effectively in combination with fruity lactones to provide lift.

Dermal Toxicity:
Not determined
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 tuberolide usage levels up to:
1.0000 % in the fragrance concentrate.
Maximised Survey-derived Daily Intakes (MSDI-EU): 0.61 (μg/capita/day)
Modified Theoretical Added Maximum Daily Intake (mTAMDI): 3900 (μg/person/day)
Threshold of Concern:1800 (μg/person/day)
Structure Class: I
Food categories according to Commission Regulation EC No. 1565/2000 (EC, 2000) in FGE.06 (EFSA, 2002a). According to the Industry the "normal" use is defined as the average of reported usages and "maximum use" is defined as the 95th percentile of reported usages (EFSA, 2002i).
Note: mg/kg = 0.001/1000 = 0.000001 = 1/1000000 = ppm.
average usage mg/kgmaximum usage mg/kg
Dairy products, excluding products of category 02.0 (01.0): 7.0000035.00000
Fats and oils, and fat emulsions (type water-in-oil) (02.0): 5.0000025.00000
Edible ices, including sherbet and sorbet (03.0): 10.0000050.00000
Processed fruit (04.1): 7.0000035.00000
Processed vegetables (incl. mushrooms & fungi, roots & tubers, pulses and legumes), and nuts & seeds (04.2): --
Confectionery (05.0): 10.0000050.00000
Chewing gum (05.3): --
Cereals and cereal products, incl. flours & starches from roots & tubers, pulses & legumes, excluding bakery (06.0): 5.0000025.00000
Bakery wares (07.0): 10.0000050.00000
Meat and meat products, including poultry and game (08.0): 2.0000010.00000
Fish and fish products, including molluscs, crustaceans and echinoderms (MCE) (09.0): 2.0000010.00000
Eggs and egg products (10.0): --
Sweeteners, including honey (11.0): --
Salts, spices, soups, sauces, salads, protein products, etc. (12.0): 5.0000025.00000
Foodstuffs intended for particular nutritional uses (13.0): 10.0000050.00000
Non-alcoholic ("soft") beverages, excl. dairy products (14.1): 5.0000025.00000
Alcoholic beverages, incl. alcohol-free and low-alcoholic counterparts (14.2): 10.0000050.00000
Ready-to-eat savouries (15.0): 20.00000100.00000
Composite foods (e.g. casseroles, meat pies, mincemeat) - foods that could not be placed in categories 01.0 - 15.0 (16.0): 5.0000025.00000

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)
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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)
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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)
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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

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

Scientific Opinion on Flavouring Group Evaluation 10, Revision 3 (FGE.10Rev3): 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):33673-62-0
EPA ACToR:Toxicology Data
EPA Substance Registry Services (SRS):Registry
Laboratory Chemical Safety Summary :97707
National Institute of Allergy and Infectious Diseases:Data
WGK Germany:2
4-methyl-5-pentyloxolan-2-one
Chemidplus:0033673620