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| IUPAC name : | 1-(1-benzofuran-2-yl)ethanone |
| InChI : | InChI=1/C10H8O2/c1-7(11)10-6-8-4-2-3-5-9(8)12-10/h2-6H,1H3 |
| InChIKey : | YUTFQTAITWWGFH-UHFFFAOYAN |
| SMILES : | CC(=O)C1=CC2=CC=CC=C2O1 |
| cas number : | 1646-26-0 |
| (EINECS) number : | 216-706-9 |
| beilstein number : | 0117910 |
| molar refractivity : | 46.42 ± 0.3 cm3 |
| parachor : | 350.2 ± 4.0 cm3 |
| index of refraction : | 1.588 ± 0.02 |
| surface tension : | 41.6 ± 3.0 dyne/cm |
| density : | 1.161 ± 0.06 g/cm3 |
| polarizability : | 18.40 ± 0.5 10-24cm3 |
| XlogP : | 1.90 |
| molecular weight : | 160.1693200 (IUPAC) |
| formula : | C10 H8 O2 |
| BioActivity Analysis : | 85711 |
| NMR Predictor : | Predict |
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| export tariff code : | 2932.99.0000 |
| fda reg : | unspecified |
Suppliers :
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| Symrise : | Coumarone
Odor: sweet coumarin-like, with notes of orange flower, tonka and |
| Vigon : | Coumarone
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organoleptics :
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| odor type : | tonka |
| odor strength : | medium , recommend smelling in a 10.00 % solution or less |
odor description : at 10.00 % in dipropylene glycol. | sweet coumarin orange flower tonka lactone |
properties :
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| appearence : | white to beige crystals |
| assay : | 99.00 to 100.00 %
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| Food Chemicals Codex Listed : | No |
| melting point : | 70.00 to 72.00 °C. @ 760.00 mm Hg
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| boiling point : | 90.00 °C. @ 1.50 mm Hg
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| boiling point : | 271.00 to 272.00 °C. @ 760.00 mm Hg
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| vapor pressure : | 0.00600 mm/Hg @ 25.00 °C. |
| flash point : | 235.00 °F. TCC ( 112.78 °C. )
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| logP (o/w) : | 2.12 |
safety :
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| most important hazard(s) : | None - None found. |
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S 02 - Keep out of the reach of children. S 24/25 - Avoid contact with skin and eyes.
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| Human experience : | non-sensitising |
| Oral Toxicity(LD50) : |
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Oral-Rat >2000.00 mg/kg
Intraperitoneal-Mouse 1200.00 mg/kg European Journal of Medicinal Chemistry--Chimie Therapeutique. Vol. 12, Pg. 383, 1977.
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| Dermal Toxicity(LD50) : |
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Skin-Rabbit >2000.00 mg/kg
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| Inhalation Toxicity(LC50) : |
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Not determined
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safety in use :
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| recommendation for tonka ketone usage levels up to : |
| | 2.0000 % in the fragrance concentrate.
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| recommendation for tonka ketone usage levels up to : |
| | not for flavor use.
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safety references :
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| EPI System : | view |
| EPA Chem. Sub. Inventory : | Yes |
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| WGK Germany : | 2 |
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| | 1-(1-benzofuran-2-yl)ethanone
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| (EINECS) number : | 216-706-9 |
| chemidplus : | 001646260 |
| EPA Substance Registry Services : | 1646-26-0 |
| dtp/nci : | 23974 |
references :
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| | 1-(1-benzofuran-2-yl)ethanone
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| NIST Chemistry WebBook : | 2114368541 |
| pubchem : | 158754 |
other :
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