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| IUPAC name : | 2-methoxy-3-(2-methylpropyl)pyrazine |
| InChI : | InChI=1/C9H14N2O/c1-7(2)6-8-9(12-3)11-5-4-10-8/h4-5,7H,6H2,1-3H3 |
| InChIKey : | UXFSPRAGHGMRSQ-UHFFFAOYAP |
| SMILES : | CC(C)CC1=NC=CN=C1OC |
| cas number : | 24683-00-9 |
| (EINECS) number : | 246-402-1 |
| fema number : | 3132 |
| coe number : | 11338 |
| jecfa number : | 792 |
| fl. number : | 14.043 |
| molar refractivity : | 47.88 ± 0.3 cm3 |
| parachor : | 405.7 ± 4.0 cm3 |
| index of refraction : | 1.488 ± 0.02 |
| surface tension : | 35.6 ± 3.0 dyne/cm |
| density : | 1.000 ± 0.06 g/cm3 |
| polarizability : | 18.98 ± 0.5 10-24cm3 |
| XlogP : | 2.30 |
| XlogP3 : | 2.60 |
| molecular weight : | 166.2202600 (IUPAC) |
| formula : | C9 H14 N2 O |
| NMR Predictor : | Predict |
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| export tariff code : | 2933.90 |
| fda reg : | unspecified |
Suppliers :
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| Citrus and Allied Essences : | 2-isobutyl-3-methoxy pyrazine
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| Fleurchem : | 2-methoxy 3-isobutyl pyrazine
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| Fontarome : | 2-METHOXY 3 ISOBUTYLPYRAZINE (2-Isobutyl-3-methox
Odor: Coffee, green pepper |
| Frutarom : | 2-ISOBUTYL-3(5/6)-METHOXYPYRAZINE
≥99.00% (sum of isomers), NI, Kosher Odor: Earthy, Galbanum, Green, Green Pea, Pepper. |
| Moellhausen : | 2-methoxy-3-isobutyl pyrazine
95% min. nature identical kosher |
| Penta : | 2-isobutyl-3-methoxypyrazine
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| Sigma-Aldrich-SAFC : | 2-Isobutyl-3-methoxypyrazine
≥99%, Kosher, FG Odor: green; vegetable; pepper |
| Tokyo Chemical Industry : | 2-isobutyl-3-methoxypyrazine
>93.0%(GC) |
| Treatt : | 2-Isobutyl-3-methoxypyrazine
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organoleptics :
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| odor type : | green |
| odor strength : | high , recommend smelling in a 0.10 % solution or less |
odor description : at 0.10 % in dipropylene glycol. | green bell pepper green pea galbanum |
properties :
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| appearence : | colorless clear liquid |
| assay : | 95.00 to 100.00 %
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| Food Chemicals Codex Listed : | No |
| specific gravity : | 0.99000 to 0.99500 @ 25.00 °C.
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| pounds per gallon - calc. : | 8.238 to 8.279
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| refractive index : | 1.48800 to 1.49200 @ 20.00 °C.
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| boiling point : | 214.00 to 215.00 °C. @ 760.00 mm Hg
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| vapor pressure : | 0.03500 mm/Hg @ 25.00 °C. |
| vapor density : | 5.7 ( Air = 1 ) |
| flash point : | 176.00 °F. TCC ( 80.00 °C. )
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| logP (o/w) : | 2.86 |
safety :
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| most important hazard(s) : | Xi - Irritant |
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R 36/37/38 - Irritating to eyes, respiratory system, and skin. 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 - Wear suitable protective clothing.
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| Oral Toxicity(LD50) : |
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Gavage-Mouse 2000.00 mg/kg (Quest International, 1983a)
Gavage-Rat >4000.00 mg/kg (Roure Inc., 1974)
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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) : | 1.60 (μg/capita/day) |
| Maximised Survey-derived Daily Intakes (MSDI-USA) : | 1.00 (μg/capita/day) |
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| recommendation for 2-isobutyl-3-methoxypyrazine usage levels up to : |
| | 0.1000 % in the fragrance concentrate.
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| recommendation for 2-isobutyl-3-methoxypyrazine usage levels up to : |
| | 0.5000 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 |
| Cancer Citations : | Search |
| Toxicology Citations : | Search |
| Canada Domestic Sub. List : | Yes |
| EPA Chem. Sub. Inventory : | Yes |
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| WGK Germany : | 3 |
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| | 2-methoxy-3-(2-methylpropyl)pyrazine
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| (EINECS) number : | 246-402-1 |
| chemidplus : | 024683009 |
| EPA Substance Registry Services : | 24683-00-9 |
references :
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| | 2-methoxy-3-(2-methylpropyl)pyrazine
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| fl. number : | 14.043 |
| jecfa number : | 792 |
| NIST Chemistry WebBook : | 3444563719 |
| pubchem : | 174521 |
Cosmetics :
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| Cosmetic uses : |
perfuming agents
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other :
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| CosIng : | cosmetic data |
| VCF-Online: | VCF Volatile Compounds in Food |
| FDA Everything Added to Food in the United States (EAFUS) | View |