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| IUPAC name : | 4-methyl-5-pentyloxolan-2-one |
| InChI : | InChI=1/C10H18O2/c1-3-4-5-6-9-8(2)7-10(11)12-9/h8-9H,3-7H2,1-2H3 |
| InChIKey : | LOQFOBUZYRBURV-UHFFFAOYAR |
| SMILES : | CCCCCC1C(CC(=O)O1)C |
| cas number : | 33673-62-0 |
| (EINECS) number : | 251-629-4 |
| fl. number : | 10.052 |
| molar refractivity : | 48.11 ± 0.3 cm3 |
| parachor : | 422.4 ± 6.0 cm3 |
| index of refraction : | 1.437 ± 0.02 |
| surface tension : | 28.1 ± 3.0 dyne/cm |
| density : | 0.928 ± 0.06 g/cm3 |
| polarizability : | 19.07 ± 0.5 10-24cm3 |
| XlogP : | 3.00 |
| molecular weight : | 170.2487200 (IUPAC) |
| formula : | C10 H18 O2 |
| NMR Predictor : | Predict |
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| IUPAC name : | 3-methylnon-2-enoic acid |
| InChI : | InChI=1/C10H18O2/c1-3-4-5-6-7-9(2)8-10(11)12/h8H,3-7H2,1-2H3,(H,11,12)/b9-8+ |
| InChIKey : | UOOWECZOWUNYLA-CMDGGOBGBV |
| SMILES : | CCCCCC/C(=C/C(=O)O)/C |
| cas number : | 35205-76-6 |
| (EINECS) number : | 252-435-2 |
| molar refractivity : | 49.84 ± 0.3 cm3 |
| parachor : | 435.1 ± 4.0 cm3 |
| index of refraction : | 1.460 ± 0.02 |
| surface tension : | 32.9 ± 3.0 dyne/cm |
| density : | 0.937 ± 0.06 g/cm3 |
| polarizability : | 19.75 ± 0.5 10-24cm3 |
| XlogP : | 3.50 |
| molecular weight : | 170.2487200 (IUPAC) |
| formula : | C10 H18 O2 |
| NMR Predictor : | Predict |
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| export tariff code : | unspecified |
| fda reg : | unspecified |
Suppliers :
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| Berje : | Methyl Tuberal L
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| Givaudan : | Methyl Tuberate Pure
Odor: Lactonic, Floral, Tuberose |
| Penta : | methyl tuberate
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| Vigon : | Methyl Tuberate
Odor: POWERFUL, FLORAL, WAXY |
organoleptics :
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| odor type : | floral |
| odor strength : | medium , recommend smelling in a 10.00 % solution or less |
odor description :¹ at 10.00 % in dipropylene glycol. | waxy lactonic metallic tuberose plum |
| odor sample from : | Vigon International, Inc. |
| substantivity : | 168 Hour(s) |
properties :
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| appearence : | colorless to pale yellow clear liquid |
| assay : | 95.00 to 100.00 %
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| Food Chemicals Codex Listed : | No |
| specific gravity : | 0.94500 to 0.95100 @ 25.00 °C.
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| pounds per gallon - calc. : | 7.863 to 7.913
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| refractive index : | 1.44400 to 1.45000 @ 20.00 °C.
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| flash point : | 248.00 °F. TCC ( 120.00 °C. )
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| logP (o/w) : | 2.91 |
safety :
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| most important hazard(s) : | Xi - Irritant |
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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.
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| Oral Toxicity(LD50) : |
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Oral-Rat 2000.00 mg/kg
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| Dermal Toxicity(LD50) : |
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Not determined
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| Inhalation Toxicity(LC50) : |
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Not determined
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safety in use :
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| 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 |
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| recommendation for tuberolide usage levels up to : |
| | 1.0000 % in the fragrance concentrate.
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| recommendation for tuberolide usage levels up to : |
| | not for flavor use.
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| Food categories according to Commission Regulation EC No. 1565/2000 (EC, 2000) in FGE.06 (EFFA, 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 (EFFA, 2002i). |
| Note : mg/kg = 0.001/1000 = 0.000001 = 1/1000000 = ppm. |
| | average usage mg/kg | maximum usage mg/kg |
| Dairy products, excluding products of category 02.0 (01.0) : | 7.00000 | 35.00000 |
| Fats and oils, and fat emulsions (type water-in-oil) (02.0) : | 5.00000 | 25.00000 |
| Edible ices, including sherbet and sorbet (03.0) : | 10.00000 | 50.00000 |
| Processed fruit (04.1) : | 7.00000 | 35.00000 |
| Processed vegetables (incl. mushrooms & fungi, roots & tubers, pulses and legumes), and nuts & seeds (04.2) : | - | - |
| Confectionery (05.0) : | 10.00000 | 50.00000 |
| Cereals and cereal products, incl. flours & starches from roots & tubers, pulses & legumes, excluding bakery (06.0) : | 5.00000 | 25.00000 |
| Bakery wares (07.0) : | 10.00000 | 50.00000 |
| Meat and meat products, including poultry and game (08.0) : | 2.00000 | 10.00000 |
| Fish and fish products, including molluscs, crustaceans and echinoderms (MCE) (09.0) : | 2.00000 | 10.00000 |
| Eggs and egg products (10.0) : | - | - |
| Sweeteners, including honey (11.0) : | - | - |
| Salts, spices, soups, sauces, salads, protein products, etc. (12.0) : | 5.00000 | 25.00000 |
| Foodstuffs intended for particular nutritional uses (13.0) : | 10.00000 | 50.00000 |
| Non-alcoholic ("soft") beverages, excl. dairy products (14.1) : | 5.00000 | 25.00000 |
| Alcoholic beverages, incl. alcohol-free and low-alcoholic counterparts (14.2) : | 10.00000 | 50.00000 |
| Ready-to-eat savouries (15.0) : | 20.00000 | 100.00000 |
| Composite foods (e.g. casseroles, meat pies, mincemeat) - foods that could not be placed in categories 01.0 - 15.0 (16.0) : | 5.00000 | 25.00000 |
safety references :
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| European Food Safety Athority(efsa) : | Flavor usage levels; Subacute, Subchronic, Chronic and Carcinogenicity Studies; Developmental / Reproductive Toxicity Studies; Genotoxicity Studies... |
| EPI System : | view |
| Canada Domestic Sub. List : | Yes |
| EPA Chem. Sub. Inventory : | Yes |
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| WGK Germany : | 2 |
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| | 4-methyl-5-pentyloxolan-2-one
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| (EINECS) number : | 251-629-4 |
| chemidplus : | 033673620 |
| EPA Substance Registry Services : | 33673-62-0 |
| dtp/nci : | 29897 |
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| | 3-methylnon-2-enoic acid
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| (EINECS) number : | 252-435-2 |
| chemidplus : | 035205766 |
| EPA Substance Registry Services : | 35205-76-6 |
references :
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| | 4-methyl-5-pentyloxolan-2-one
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| fl. number : | 10.052 |
| pubchem : | 674931 |
| | 3-methylnon-2-enoic acid
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| pubchem : | 695461 |
Cosmetics :
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| Cosmetic uses : |
perfuming agents
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other :
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| reference : | Luebke, William tgsc, (2008)¹ |
| CosIng : | cosmetic data |