Photo credits: ScenTree SAS
General Presentation
-
CAS N° :
22047-25-2 -
EINECS number :
244-753-5 -
FEMA number :
3126 -
FLAVIS number :
14,032
-
JECFA number :
784 -
Volatility :
Heart -
Price Range :
€€€
Physico-chemical properties
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Appearance :
White solid -
Density :
1,107 -
Refractive Index @20°C :
1,501 - 1,535 -
Optical rotation :
Donnée indisponible. -
Vapor pressure :
Donnée indisponible. -
Flash Point :
Donnée indisponible.
-
Molecular formula :
C6H6N2O -
Molecular Weight :
122,14 g/mol -
Log P :
0,2 -
Fusion Point :
77°C (170,6°F) -
Boiling Point :
213°C (415,4°F) -
Detection Threshold :
62 ppb (0,0000062%)
Chemistry & Uses
Uses in perfumery :
2-acetyl Pyrazine is used in almond, praline, chocolate, coffee and rice notes.
Year of discovery :
Data not available.
Natural availability :
2-acetyl Pyrazine is not available in its natural state.
Isomerism :
2-acetyl Pyrazine has no known isomer in perfumery.
Synthesis precursor :
2-acetyl Pyrazine is not a precursor to the synthesis of another compound of olfactory interest.
Synthesis route :
2-acetyl 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 acetyl group of the final molecule, while the other does not have any branches.
Stability :
Stable in perfumes and diverse functional bases
Other comments :
2-acetyl Pyrazine is less strong than 2-ethyl-3-methyl Pyrazine, with a closer aspect to roasted peanuts.
Labelling
Allergens :
This ingredient does not contain any allergen.
Signal word :
Warning
Hazard pictograms :
Precautionary statements :
| HAZARD | PRECAUTION |
|---|---|
| H315 Causes skin irritation.
H319 Causes serious eye irritation. H335 May cause respiratory irritation. |
P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P305 + P351 + P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. |
IFRA
IFRA 51th :
This ingredient is not restricted for the 51th amendment