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| IUPAC name : | 2-pentylcyclopent-2-en-1-one |
| InChI : | InChI=1/C10H16O/c1-2-3-4-6-9-7-5-8-10(9)11/h7H,2-6,8H2,1H3 |
| InChIKey : | ILHZVKAXFCDFMT-UHFFFAOYAE |
| SMILES : | CCCCCC1=CCCC1=O |
| cas number : | 25564-22-1 |
| (EINECS) number : | 247-104-4 |
| beilstein number : | 1857975 |
| molar refractivity : | 46.01 ± 0.3 cm3 |
| parachor : | 390.0 ± 6.0 cm3 |
| index of refraction : | 1.474 ± 0.02 |
| surface tension : | 32.3 ± 3.0 dyne/cm |
| density : | 0.930 ± 0.06 g/cm3 |
| polarizability : | 18.24 ± 0.5 10-24cm3 |
| XlogP : | 2.50 |
| XlogP3-AA : | 3.00 |
| molecular weight : | 152.2334400 (IUPAC) |
| formula : | C10 H16 O |
| NMR Predictor : | Predict |
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| export tariff code : | unspecified |
| fda reg : | unspecified |
Suppliers :
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| TCI AMERICA : | 2-Pentyl-2-cyclopenten-1-one
>95.0%(GC) |
organoleptics :
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| odor type : | floral |
| odor strength : | medium |
odor description :¹ at 100.00 %. | woody isojasmone jasmin tuberose |
| odor sample from : | Bedoukian Research, Inc. |
| substantivity : | 312 Hour(s) |
properties :
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| appearence : | pale yellow clear liquid |
| assay : | 95.00 to 100.00 %
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| Food Chemicals Codex Listed : | No |
| specific gravity : | 0.91400 to 0.92500 @ 25.00 °C.
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| pounds per gallon - calc. : | 7.605 to 7.697
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| refractive index : | 1.46500 to 1.48000 @ 20.00 °C.
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| boiling point : | 65.00 °C. @ 2.00 mm Hg
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| flash point : | 218.00 °F. TCC ( 103.33 °C. )
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| logP (o/w) : | 2.66 |
safety :
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| most important hazard(s) : | Xi - Irritant |
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R 36/38 - Irritating to skin and eyes. R 43 - May cause sensitisation by skin contact. S 02 - Keep out of the reach of children. S 26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S 36/39 - Wear suitable clothing and eye/face protection.
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| Oral Toxicity(LD50) : |
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Oral-Rat 2200.00 mg/kg Food and Chemical Toxicology. Vol. 30, Pg. 7S, 1992.
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| Dermal Toxicity(LD50) : |
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Skin-Rabbit >5000.00 mg/kg Food and Chemical Toxicology. Vol. 30, Pg. 7S, 1992.
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| Inhalation Toxicity(LC50) : |
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Not determined
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safety in use :
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| IFRA critical Effect : | Sensitization |
| IFRA fragrance material specification : |
| | Should not be used such that the level in the finished cosmetic product
exceeds 0.1 %. Based on test results showing sensitisation at 10% and
no sensitisation at 1 %. (IFRA guidelines). |
| limits in the finished product for - "leave on the skin contact" : |
| | 0.1000 % Restriction.
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| limits in the finished product for - "wash off the skin contact" : |
| | 0.1000 % Restriction.
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| limits in the finished product for - "no skin contact" : |
| | 1.0000 % Restriction.
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| recommendation for amyl cyclopentenone usage levels up to : |
| | PROHIBITED : Should not be used as a fragrance ingredient.
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| recommendation for amyl cyclopentenone usage levels up to : |
| | not for flavor use.
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safety references :
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| EPI System : | view |
| IFRA : | IFRA - ( Found under : Amyl cyclopentenone ) |
| Canada Domestic Sub. List : | Yes |
| EPA Chem. Sub. Inventory : | Yes |
| SCCNFP : | opinion |
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| WGK Germany : | 2 |
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| | 2-pentylcyclopent-2-en-1-one
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| (EINECS) number : | 247-104-4 |
| RTECS : | GY7310000 for 25564-22-1 |
| chemidplus : | 025564221 |
| EPA Substance Registry Services : | 25564-22-1 |
references :
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| | 2-pentylcyclopent-2-en-1-one
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| NIST Chemistry WebBook : | 1736287693 |
| pubchem : | 694238 |
Cosmetics :
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| Cosmetic uses : |
perfuming agents
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other :
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| reference : | Luebke, William tgsc, (1989)¹ |
| CosIng : | cosmetic data |