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| IUPAC name : | 2-methoxypyrazine |
| InChI : | InChI=1/C5H6N2O/c1-8-5-4-6-2-3-7-5/h2-4H,1H3 |
| InChIKey : | WKSXRWSOSLGSTN-UHFFFAOYAW |
| cas number : | 3149-28-8 |
| (EINECS) number : | 221-579-8 |
| fema number : | 3302 |
| coe number : | 11347 |
| jecfa number : | 787 |
| fl. number : | 14.054 |
| molar refractivity : | 29.11 ± 0.3 cm3 |
| parachor : | 252.2 ± 4.0 cm3 |
| index of refraction : | 1.494 ± 0.02 |
| surface tension : | 40.6 ± 3.0 dyne/cm |
| density : | 1.102 ± 0.06 g/cm3 |
| polarizability : | 11.54 ± 0.5 10-24cm3 |
| XlogP : | 0.60 |
| molecular weight : | 110.1139400 (IUPAC) |
| formula : | C5 H6 N2 O |
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| export tariff code : | 2933.90 |
| fda reg : | unspecified |
Suppliers :
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| Advanced Biotech : | 2-METHOXY PYRAZINE
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| Hofmen : | 2-Methoxypyrazine
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| Jiangyin Healthway : | 2-Methoxy pyrazine
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| Penta : | 2-methoxypyrazine
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| SAFC Global® : | 2-Methoxypyrazine
≥99%, FCC, Kosher Odor: chocolate; nutty |
| Tokyo Chemical Industry : | 2-Methoxypyrazine
>98.0%(GC) |
organoleptics :
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| odor type : | chocolate |
| odor strength : | high , recommend smelling in a 1.00 % solution or less |
odor description: at 1.00 % in dipropylene glycol. | sweet nutty cocoa |
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 : | Yes |
| specific gravity : | 1.11000 to 1.14000 @ 20.00 °C.
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| pounds per gallon - calc. : | 9.247 to 9.497
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| specific gravity : | 1.10900 to 1.14000 @ 25.00 °C.
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| pounds per gallon - calc. : | 9.228 to 9.486
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| refractive index : | 1.50800 to 1.51100 @ 20.00 °C.
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| boiling point : | 60.00 to 61.00 °C. @ 29.00 mm Hg
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| vapor pressure : | 1.60000 mm/Hg @ 25.00 °C. |
| flash point : | 114.00 °F. TCC ( 45.56 °C. )
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| logP (o/w) : | 0.73 |
safety :
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| most important hazard(s) : | Xn - Harmful. |
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R 10 - Flammable. R 22 - Harmful if swallowed. R 37/38 - Irritating to respiratory system and skin. 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 37/39 - Wear suitable 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) : | 3.00 (μg/capita/day) |
| Maximised Survey-derived Daily Intakes (MSDI-USA) : | 1.00 (μg/capita/day) |
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| recommendation for 2-methoxypyrazine fragrance usage levels up to : |
| | 0.0100 % in the fragrance concentrate.
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| recommendation for 2-methoxypyrazine flavor usage levels up to : |
| | 10.0000 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 1993 |
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| WGK Germany : | 3 |
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| | 2-methoxypyrazine |
| (EINECS) number : | 221-579-8 |
| chemidplus : | 003149288 |
| EPA Substance Registry Services : | 3149-28-8 |
references :
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| | 2-methoxypyrazine |
| fl. number : | 14.054 |
| jecfa number : | 787 |
| NIST Chemistry WebBook : | 3354733797 |
| pubchem : | 161493 |
other :
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| VCF-Online: | VCF Volatile Compounds in Food |
| FDA Everything Added to Food in the United States (EAFUS) | View |