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| IUPAC name : | 5-methylhex-5-en-2-one |
| InChI : | InChI=1/C7H12O/c1-6(2)4-5-7(3)8/h1,4-5H2,2-3H3 |
| InChIKey : | VBCIOOKAKHGVMI-UHFFFAOYAL |
| SMILES : | CC(=C)CCC(=O)C |
| cas number : | 3240-09-3 |
| (EINECS) number : | 221-807-6 |
| fema number : | 3365 |
| coe number : | 11150 |
| jecfa number : | 1119 |
| fl. number : | 07.100 |
| molar refractivity : | 34.07 ± 0.3 cm3 |
| parachor : | 300.8 ± 4.0 cm3 |
| index of refraction : | 1.414 ± 0.02 |
| surface tension : | 23.8 ± 3.0 dyne/cm |
| density : | 0.824 ± 0.06 g/cm3 |
| polarizability : | 13.50 ± 0.5 10-24cm3 |
| XlogP : | 1.30 |
| molecular weight : | 112.1695800 (IUPAC) |
| formula : | C7 H12 O |
| NMR Predictor : | Predict |
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| export tariff code : | unspecified |
| fda reg : | unspecified |
Suppliers :
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| Penta : | 5-methyl-5-hexen-2-one
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| SAFC Global® : | 5-Methyl-5-hexen-2-one
99% |
organoleptics :
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| odor type : | fatty |
| odor strength : | medium , recommend smelling in a 10.00 % solution or less |
odor description: at 10.00 % in dipropylene glycol. | green weedy foliage vegetable Luebke, William tgsc, (2007) |
| substantivity : | 1 hour(s) at 100.00 % |
properties :
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| appearence : | colorless to pale yellow clear liquid |
| assay : | 99.00 to 100.00 %
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| Food Chemicals Codex Listed : | No |
| specific gravity : | 0.84750 @ 25.00 °C.
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| refractive index : | 1.42790 @ 25.00 °C.
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| boiling point : | 149.00 to 150.00 °C. @ 760.00 mm Hg
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| flash point : | 108.00 °F. TCC ( 42.22 °C. )
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| logP (o/w) : | 1.65 |
safety :
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| most important hazard(s) : | Xn - Harmful. |
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R 10 - Flammable. R 22 - Harmful if swallowed. R 41 - Risk of serious damage to eyes. S 02 - Keep out of the reach of children. S 16 - Keep away from sources of ignition - No Smoking. S 20/21 - When using do not eat, drink or smoke. 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 36/37/39 - Wear suitable clothing, gloves and eye/face protection.
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| Oral Toxicity(LD50) : | |
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Not determined
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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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| Category : | flavor and fragrance agents |
| Maximised Survey-derived Daily Intakes (MSDI-EU) : | ND (μg/capita/day) |
| Maximised Survey-derived Daily Intakes (MSDI-USA) : | 0.30 (μg/capita/day) |
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| recommendation for 5-methyl-5-hexen-2-one fragrance usage levels up to : |
| | 1.0000 % in the fragrance concentrate.
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| recommendation for 5-methyl-5-hexen-2-one flavor usage levels up to : |
| | 2.0000 ppm in the flavor.
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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 |
| WISER : | UN 1224 |
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| WGK Germany : | 2 |
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| | 5-methylhex-5-en-2-one |
| (EINECS) number : | 221-807-6 |
| chemidplus : | 003240093 |
| EPA Substance Registry Services : | 3240-09-3 |
| dtp/nci : | 21640 |
references :
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| | 5-methylhex-5-en-2-one |
| fl. number : | 07.100 |
| jecfa number : | 1119 |
| NIST Chemistry WebBook : | 3743265675 |
| pubchem : | 203922 |
other :
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| FDA Everything Added to Food in the United States (EAFUS) | View |