Photo credits: ScenTree SAS
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General Presentation
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CAS N° : 15707-23-0
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EINECS number : 239-799-8
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FEMA number : 3155
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Density : 0,987
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Optical rotation : Donnée indisponible
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Allergens : This ingredient does not contain any allergen.
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Refractive Index @20°C : Donnée indisponible
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Volatility : Head/Heart
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Price Range : €€€
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Appearance : Colorless liquid
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FLAVIS number : 14.006
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JECFA number : 768
Information on synthetic ingredients
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Acid Value : Donnée indisponible
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Boiling Point : 57°C (à 13 hPa)
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Detection Threshold : 2 ppm (0,0002%)
Ce qui fait de lui un composé bien moins puissant que la 2-Acétyl-pyrazine -
Molecular formula : C7H10N2
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Log P : Donnée indisponible.
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Molecular Weight : 122,17 g/mol
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Fusion Point : Donnée indisponible.
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Flash Point : 59°C
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Vapor pressure : Donnée indisponible
Uses
Other comments :
2-ethyl-3-methyl Pyrazine is more powerful than Furaneol® or 2-acetyl Pyrazine, with a burnt note in all three cases.
Stability :
Stable in perfumes and diverse functional bases
Uses in perfumery :
2-ethyl-3-methyl Pyrazine si useful for reconstitutions of coffee, chocolate, hazelnut and other cooked and grilled food notes.
Year of discovery :
Data not available.
Isomerism :
2-ethyl-3-methyl Pyrazine has no known isomer in perfumery.
Synthesis precursor :
2-ethyl-3-methyl Pyrazine is not a precursor to the synthesis of another compound of olfactory interest.
Natural availability :
2-ethyl-3-methyl Pyrazine is not available in its natural state.
Synthesis route :
2-ethyl-3-methyl Pyrazine is part of a family of molecules which scent is close to peanuts as well as cooked and roasted fruits. Pyrazines are often obtained with a Gutknecht or Gastaldi condensation reaction, in both cases to condense two amines on two ketones, under the effect of an acid and oxidation. Here, one of the reagents contains the methyl and ethyl groups of the final molecule, while the other does not have any branches.
Regulations & IFRA
This ingredient is not restricted
