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| IUPAC name : | 2-methyl-3-(2-methylpropyl)pyrazine |
| InChI : | InChI=1/C9H14N2/c1-7(2)6-9-8(3)10-4-5-11-9/h4-5,7H,6H2,1-3H3 |
| InChIKey : | ZHMIODDNZRIENW-UHFFFAOYAD |
| SMILES : | CC1=NC=CN=C1CC(C)C |
| cas number : | 13925-06-9 |
| (EINECS) number : | 237-693-6 |
| fema number : | 3133 |
| jecfa number : | 773 |
| fl. number : | 14.044 |
| molar refractivity : | 46.03 ± 0.3 cm3 |
| parachor : | 386.7 ± 4.0 cm3 |
| index of refraction : | 1.493 ± 0.02 |
| surface tension : | 35.5 ± 3.0 dyne/cm |
| density : | 0.948 ± 0.06 g/cm3 |
| polarizability : | 18.24 ± 0.5 10-24cm3 |
| XlogP : | 2.00 |
| XlogP3 : | 2.00 |
| molecular weight : | 150.2208600 (IUPAC) |
| formula : | C9 H14 N2 |
| NMR Predictor : | Predict |
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| export tariff code : | unspecified |
| fda reg : | unspecified |
Suppliers :
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| Fontarome : | 2-ISOBUTYL-3-METHYLPYRAZINE
Odor: Herbaceous green earthy |
| Penta : | 2-isobutyl-3-methyl pyrazine
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| Sigma-Aldrich-SAFC : | 2-Isobutyl-3-methylpyrazine
≥99%, Kosher |
| TCI AMERICA : | 2-isobutyl-3-methylpyrazine
>98.0%(GC) |
| Tokyo Chemical Industry : | 2-isobutyl-3-methylpyrazine
>98.0%(GC) |
organoleptics :
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| odor type : | caramellic |
| odor strength : | high , recommend smelling in a 0.10 % solution or less |
odor description : at 0.10 % in dipropylene glycol. | green sugar syrup |
properties :
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| appearence : | pale yellow clear liquid |
| assay : | 98.00 to 100.00 %
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| Food Chemicals Codex Listed : | No |
| specific gravity : | 0.93600 to 0.94200 @ 25.00 °C.
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| pounds per gallon - calc. : | 7.788 to 7.838
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| refractive index : | 1.48800 to 1.49800 @ 20.00 °C.
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| boiling point : | 199.00 to 201.00 °C. @ 760.00 mm Hg
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| vapor pressure : | 0.11000 mm/Hg @ 25.00 °C. |
| flash point : | 180.00 °F. TCC ( 82.22 °C. )
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| logP (o/w) : | 1.96 |
safety :
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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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| Maximised Survey-derived Daily Intakes (MSDI-EU) : | 0.037 (μg/capita/day) |
| Maximised Survey-derived Daily Intakes (MSDI-USA) : | 0.01 (μg/capita/day) |
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| recommendation for 2-isobutyl-3-methyl pyrazine usage levels up to : |
| | 0.5000 % in the fragrance concentrate.
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| recommendation for 2-isobutyl-3-methyl pyrazine usage levels up to : |
| | 5.0000 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 |
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| WGK Germany : | 3 |
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| | 2-methyl-3-(2-methylpropyl)pyrazine
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| (EINECS) number : | 237-693-6 |
| chemidplus : | 013925069 |
| EPA Substance Registry Services : | 13925-06-9 |
references :
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| | 2-methyl-3-(2-methylpropyl)pyrazine
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| fl. number : | 14.044 |
| jecfa number : | 773 |
| NIST Chemistry WebBook : | 2336132414 |
| pubchem : | 169075 |
other :
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| VCF-Online: | VCF Volatile Compounds in Food |
| FDA Everything Added to Food in the United States (EAFUS) | View |