2-acetyl-3,5(or 6)-dimethyl pyrazine
2-acetyl-3,(5 or 6)-dimethylpyrazine
 
Notes:
None found
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1-(3,5-dimethylpyrazin-1-ium-1-yl)ethanone (Click)
CAS Number: 72797-17-2Picture of molecule
ECHA EINECS - REACH Pre-Reg: 276-848-2
FDA UNII: O16657H2TP
MDL: MFCD00055023
CoE Number: 11294
XlogP3-AA: 0.60 (est)
Molecular Weight: 150.18090000
Formula: C8 H10 N2 O
NMR Predictor: Predict (works with chrome or firefox)
Also(can) Contains: 2-acetyl-3,5-dimethyl pyrazine
 2-acetyl-3,6-dimethyl pyrazine
Category: flavor and fragrance agents
 
US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information:
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JECFA Food Flavoring: 786  2-acetyl-3,(5 or 6)-dimethylpyrazine
FEMA Number: 3327  2-acetyl-3,(5 or 6)-dimethylpyrazine
FDA Mainterm: 2-ACETYL-3, 5(OR 6)-DIMETHYLPYRAZINE, MIXTURE OF ISOMERS
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Physical Properties:
Appearance: yellow semi-solid (est)
Assay: 97.00 to 100.00 % sum of isomers
Food Chemicals Codex Listed: No
Specific Gravity: 1.03800 @  25.00 °C.
Specific Gravity: 1.07000 to 1.07500 @  25.00 °C.
Pounds per Gallon - est.: 8.903 to 8.945
Boiling Point: 70.00 °C. @ 7.00 mm Hg
Vapor Pressure: 3.000000 mm/Hg @ 20.00 °C.
Flash Point: 195.00 °F. TCC ( 90.56 °C. )
logP (o/w): 1.080
Soluble in:
 alcohol
 water, 1.855e+004 mg/L @ 25 °C (est)
Insoluble in:
 water
Similar Items: note
2-acetyl-3,6-dimethyl pyrazine
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Organoleptic Properties:
Odor Type: nutty
Odor Strength: high ,
recommend smelling in a 0.10 % solution or less
 roasted  hazelnut  caramellic  popcorn  
Odor Description:
at 0.10 % in dipropylene glycol. 
roasted hazelnut caramel popcorn
 nutty  hazelnut roasted hazelnut  
Taste Description:
nutty
  
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Cosmetic Information:
None found
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Suppliers:
Apiscent Labs
2 ACETYL-3, 5 (or 6) DIMETHYLPYRAZINE
Odor: Hemp oil, roast
Diffusions Aromatiques
2-ACETYL DIMETHYL 3.5 (6) PYRAZINE
Indukern F&F
2-ACETYL-3,5(6)-DIMETHYL PYRAZINE
Odor: NUTTY, TOASTED, HAZELNUT
CROP CALENDAR
Jiangyin Healthway
2-Acetyl-3,5(or 6)-dimethyl pyrazine
New functional food ingredients
Parchem
2-acetyl-3,5(or 6)-dimethyl pyrazine
Pearlchem Corporation
2-Acetyl-3(5/6) Dimethyl Pyrazine
Pyrazine Specialties
Mixture of 2-Acetyl-3,5-Dimethylpyrazine and 2-Acetyl-3,6-Dimethylpyrazine
Treatt
2-Acetyl-3,5(6)-dimethylpyrazine
NI, Kosher
Odor: Nutty, popcorn, hazelnut
Flavor: nutty
Used in roast nut, bread, chocolate and coffee flavours, at from 0.01 to 5ppm.
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Safety Information:
European information :
Most important hazard(s):
Xi - Irritant
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 36/37/39 - Wear suitable clothing, gloves and eye/face protection.
 
Hazards identification
 
Classification of the substance or mixture
GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)
None found.
GHS Label elements, including precautionary statements
 
Pictogram
 
Hazard statement(s)
None found.
Precautionary statement(s)
None found.
Oral/Parenteral Toxicity:
Not determined
Dermal Toxicity:
Not determined
Inhalation Toxicity:
Not determined
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Safety in Use Information:
Category: flavor and fragrance agents
Recommendation for 2-acetyl-3,5(or 6)-dimethyl pyrazine usage levels up to:
  0.1000 % in the fragrance concentrate.
 
Use levels for FEMA GRAS flavoring substances on which the FEMA Expert Panel based its judgments that the substances are generally recognized as safe (GRAS).
The Expert Panel also publishes separate extensive reviews of scientific information on all FEMA GRAS flavoring substances and can be found at FEMA Flavor Ingredient Library
publication number: 6
Click here to view publication 6
 average usual ppmaverage maximum ppm
baked goods: -5.00000
beverages(nonalcoholic): --
beverages(alcoholic): --
breakfast cereal: -5.00000
cheese: --
chewing gum: --
condiments / relishes: --
confectionery froastings: --
egg products: --
fats / oils: --
fish products: --
frozen dairy: -1.00000
fruit ices: -1.00000
gelatins / puddings: -1.00000
granulated sugar: --
gravies: -5.00000
hard candy: -5.00000
imitation dairy: --
instant coffee / tea: --
jams / jellies: -1.00000
meat products: -5.00000
milk products: --
nut products: --
other grains: --
poultry: --
processed fruits: --
processed vegetables: --
reconstituted vegetables: --
seasonings / flavors: --
snack foods: --
soft candy: --
soups: -5.00000
sugar substitutes: --
sweet sauces: --
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Safety References:
Flavor & Extract Manufacturers Association (FEMA) reference(s):
The FEMA GRAS assessment of pyrazine derivatives used as flavor ingredients.View pdf
EPI System: View
EPA Substance Registry Services (TSCA): 72797-17-2
EPA ACToR: Toxicology Data
EPA Substance Registry Services (SRS): Registry
Laboratory Chemical Safety Summary : 3085845
National Institute of Allergy and Infectious Diseases: Data
WGK Germany: 3
 1-(3,5-dimethylpyrazin-1-ium-1-yl)ethanone
Chemidplus: 0072797172
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References:
 1-(3,5-dimethylpyrazin-1-ium-1-yl)ethanone
NIST Chemistry WebBook: Search Inchi
Canada Domestic Sub. List: 72797-17-2
Pubchem (cid): 3085845
Pubchem (sid): 135234178
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Other Information:
(IUPAC): Atomic Weights of the Elements 2009
(IUPAC): Atomic Weights of the Elements 2009 (pdf)
Videos: The Periodic Table of Videos
tgsc: Atomic Weights use for this web site
(IUPAC): Periodic Table of the Elements
FDA Everything Added to Food in the United States (EAFUS): View
HMDB (The Human Metabolome Database): HMDB39998
Export Tariff Code: 2933.90
VCF-Online: VCF Volatile Compounds in Food
ChemSpider: View
Read: Under the conditions of intended use - New developments in the FEMA GRAS program and the safety assessment of flavor ingredients
Read: A GRAS assessment program for flavor ingredients
Read: Sensory testing for flavorings with modifying properties. Food Technology
Read: Criteria for the safety evaluation of flavoring substances
Read: A procedure for the safety evaluation of natural flavor complexes used as ingredients in food: essential oils
Read: FEMA Expert Panel: 30 Years of safety evaluation for the flavor industry
Read: Consumption ratio and food predominance of flavoring materials
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Potential Blenders and core components note
 
For Odor
No odor group found for these
2-acetonyl pyrazine 
2,6-diethyl pyrazine 
2-ethyl-3-vinyl pyrazine 
4-hydroxymethyl-pyridine 
2-(methoxymethyl)-6-methyl pyridine 
7-methyl benzofuran 
2-methyl-3-ethyl quinoxaline 
2-methyl-3-pentyl pyrazine 
2-methyl-3-vinyl pyrazine 
2-methyl-6-propyl pyrazine 
2-methyl-6-vinyl pyrazine 
 sulfuryl octanoateFL/FR
 sulfuryl butyrateFL/FR
 sulfuryl decanoateFL/FR
 sulfuryl hexanoateFL/FR
 sulfuryl isobutyrateFL/FR
 sulfuryl propionateFL/FR
acidic
 cyclohexyl acetic acidFL/FR
balsamic
2-acetyl furanFL/FR
buttery
 acetoinFL/FR
 acetyl propionylFL/FR
3,4-hexane dioneFL/FR
camphoreous
 butyrophenoneFL/FR
2-oxobutyric acidFL/FR
 caramel pentadioneFL/FR
 cycloteneFL/FR
 cyclotene hydrateFL/FR
alpha,alpha-dimethyl anisyl acetoneFL/FR
 ethyl 2-hydroxy-2-methyl butyrateFL/FR
 ethyl cyclopentenoloneFL/FR
 ethyl maltolFL/FR
5-ethyl-2,3,4,5-tetramethyl-2-cyclohexen-1-oneFL/FR
 fenugreek absoluteFL/FR
 geranyl crotonateFR
 immortelle absoluteFL/FR
 maltolFL/FR
 maltyl propionateFL/FR
 maple furanoneFL/FR
 menthone lactoneFL/FR
 mesitene lactoneFR
5-methyl furfuralFL/FR
isopropenyl pyrazineFL/FR
 rosefuranFL/FR
 shoyu furanoneFL/FR
 strawberry furanoneFL/FR
 strawberry furanone acetateFL/FR
 toffee furanoneFL/FR
chocolate
 chocolate pyrazine AFL/FR
2,6-dimethyl pyrazineFL/FR
2,5-dimethyl pyrazineFL/FR
2-methoxy-3-methyl pyrazineFL/FR
coconut
gamma-heptalactoneFL/FR
corn chip
 popcorn pyrimidineFL/FR
coumarinic
 tonka bean resinoidFR
creamy
gamma-butyrolactoneFL/FR
ethereal
 ethyl 4-pentenoateFL/FR
 ethyl pyruvateFL/FR
isovaleraldehyde propylene glycol acetalFL/FR
fermented
 ethyl (E)-2-crotonateFL/FR
fruity
(E)-ethyl tiglateFL/FR
 tetrahydrofurfuryl acetateFL/FR
green
isoamyl 3-(2-furan) propionateFL/FR
2-heptyl furanFL/FR
herbal
 butyl levulinateFL/FR
musty
3-acetyl-2,5-dimethyl furanFL/FR
nutty
3-acetyl pyridineFL/FR
2-acetyl-3-ethyl pyrazineFL/FR
2-acetyl-3-methyl pyrazineFL/FR
2-acetyl-3,5-dimethyl pyrazineFL/FR
5-acetyl-4-methyl thiazole 
roasted chestnut fragranceFR
3,5-cocoa pyrazineFL/FR
3,6-cocoa pyrazineFL/FR
2,3-dimethyl pyrazineFL/FR
2,4-dimethyl-5-ethyl thiazole 
 filbert heptenoneFL/FR
 filbert heptenone BFL/FR
(-)-(E,R)-filbertoneFL/FR
(+)-(E,S)-filbertoneFL/FR
european hazelnut absoluteFL/FR
roasted hazelnut infusionsFL/FR
european hazelnut oil CO2 extractFL/FR
 methoxymethyl pyrazineFL/FR
2-methyl-3-pentenoic acidFL/FR
 nutty cyclohexenoneFL/FR
 nutty quinoxalineFL/FR
2-propyl-3,6-dimethyl pyrazine 
 sesame absoluteFL/FR
2,4,5-trimethyl oxazoleFL/FR
phenolic
4-methyl-2,6-dimethoxyphenolFL/FR
popcorn
2-acetyl pyrazineFL/FR
2-acetyl pyridineFL/FR
2-acetyl thiazoleFL/FR
2-acetyl-3,6-dimethyl pyrazineFL/FR
sulfurous
2-acetyl thiopheneFL/FR
 furfuryl thioacetateFL/FR
sweet
 vanilla oleoresin baliFL/FR
tobacco
3-ethyl pyridineFL/FR
tonka
 tonka bean absoluteFR
vanilla
 ethyl vanillinFL/FR
 vanillyl isobutyrateFL/FR
vegetable
 tetrahydrofurfuryl alcoholFL/FR
 
For Flavor
 
No flavor group found for these
2-acetyl-2-pyrrolineFL
2-acetyl-3-methyl pyrazineFL/FR
2-acetyl-3,4,5,6-tetrahydropyridineFL
2-acetyl-3,6-dimethyl pyrazineFL/FR
5-acetyl-4-methyl thiazole 
2-acetyl-5-methyl pyrazineFL
2-acetyl-6-methyl pyrazineFL
 allyl 2-furoateFL
 benzyl disulfideFL
 butyrophenoneFL/FR
 chocolate pyrazine AFL/FR
 chocolate pyrazine BFL
2,5-diethyl tetrahydrofuranFL
6,7-dihydro-2,3-dimethyl-5H-cyclopentapyrazineFL
alpha,alpha-dimethyl anisyl acetoneFL/FR
6,7-dimethyl dihydrocyclopentapyrazineFL
 dimethyl dihydrocyclopentapyrazineFL
2,5-dimethyl pyrazine and 2,6-dimethyl pyrazine mixtureFL
2,5-dimethyl thiazoleFL
2,4-dimethyl-5-ethyl thiazole 
 ethyl 2-hydroxy-2-methyl butyrateFL/FR
 ethyl 4-pentenoateFL/FR
 ethyl dimethyl pyrazineFL
5-ethyl-2,3,4,5-tetramethyl-2-cyclohexen-1-oneFL/FR
 furfuryl acetoneFL
 mango furanoneFL
 menthone lactoneFL/FR
 methyl 2-(methyl thio) acetateFL
2-methyl-3-pentenoic acidFL/FR
2-propionyl pyrroleFL
 pyrazines mixtureFL
 rosefuranFL/FR
 sulfuryl butyrateFL/FR
 sulfuryl decanoateFL/FR
 sulfuryl hexanoateFL/FR
 sulfuryl isobutyrateFL/FR
 toffee furanoneFL/FR
5-acetyl-2,3-dihydro-1,4-thiazineFL
isoamyl 3-(2-furan) propionateFL/FR
 sulfuryl formateFL
 sulfuryl octanoateFL/FR
 sulfuryl propionateFL/FR
alliaceous
3-mercapto-2-pentanoneFL
astringent
2-methyl pyridineFL
bitter
 methyl ethoxypyrazineFL
bready
2-propionyl thiazoleFL
brown
2-oxobutyric acidFL/FR
5-methyl furfuralFL/FR
 tetrahydrofurfuryl acetateFL/FR
burnt
 furfuryl alcoholFL
2-methyl quinoxalineFL
2-methyl-6-propyl pyrazine 
isopropenyl pyrazineFL/FR
2,4,5-trimethyl oxazoleFL/FR
buttery
 diacetylFL
3,4-hexane dioneFL/FR
caramellic
 caramel furanoneFL
 caramel pentadioneFL/FR
 cycloteneFL/FR
 cyclotene hydrateFL/FR
 ethyl maltolFL/FR
3-ethyl pyridineFL/FR
5-ethyl-3,4,5,6-tetramethyl cyclohexen-2-oneFL
 fenugreek absoluteFL/FR
 maltolFL/FR
 maltyl propionateFL/FR
 maple furanoneFL/FR
3-methyl butyl 2-furyl butyrateFL
 shoyu furanoneFL/FR
 strawberry furanoneFL/FR
 strawberry furanone acetateFL/FR
coffee
2-thiophene thiolFL
corn
2-acetyl pyridineFL/FR
2-acetyl thiazoleFL/FR
 popcorn pyrimidineFL/FR
creamy
 acetoinFL/FR
earthy
2-ethyl-3-vinyl pyrazine 
(±)-2-mercapto-5-methylheptan-4-oneFL
7-methyl benzofuran 
fatty
2-heptyl furanFL/FR
(E,E)-2,4-undecadienalFL
2,4-undecadienalFL
fishy
4,5-dimethyl thiazoleFL
fruity
(E)-ethyl tiglateFL/FR
2-ethyl-2,5-dihydro-4-methyl thiazoleFL
 furfuryl valerateFL
2-pentanoyl furanFL
isovaleraldehyde propylene glycol acetalFL/FR
green
2,5-dimethyl-4-ethyl oxazoleFL
 immortelle absoluteFL/FR
3-methyl pyridineFL
1-(5-methyl-2-furyl) propan-1-oneFL
hazelnut
4-hydroxymethyl-pyridine 
herbal
 butyl levulinateFL/FR
5-hydroxymethyl furfuralFL
jammy
 ethyl cyclopentenoloneFL/FR
lactonic
gamma-heptalactoneFL/FR
milky
gamma-butyrolactoneFL/FR
musty
2,3-dimethyl pyrazineFL/FR
2,5-dimethyl pyrazineFL/FR
2-ethoxythiazoleFL
 ethyl (E)-2-crotonateFL/FR
nutty
2-acetonyl pyrazine 
2-acetyl furanFL/FR
3-acetyl pyridineFL/FR
3-acetyl-2,5-dimethyl furanFL/FR
3-acetyl-2,5-dimethyl thiopheneFL
2-acetyl-3-ethyl pyrazineFL/FR
2-acetyl-3,5-dimethyl pyrazineFL/FR
 almond hazelnut flavorFL
 arachis hypogaea fruit extractFL
3,5-cocoa pyrazineFL/FR
3,5(6)-cocoa pyrazineFL
3,6-cocoa pyrazineFL/FR
2,5-diethyl pyrazineFL
2,6-diethyl pyrazine 
2,5-diethyl-3-methyl pyrazineFL
2,6-dimethyl pyrazineFL/FR
1-ethyl-2-acetyl pyrroleFL
2-ethyl-6-methyl pyrazineFL
 filbert heptenoneFL/FR
 filbert heptenone BFL/FR
(-)-(E,R)-filbertoneFL/FR
(+)-(E,S)-filbertoneFL/FR
european hazelnut absoluteFL/FR
toasted hazelnut cream flavorFL
european hazelnut distillatesFL
 hazelnut flavorFL
roasted hazelnut infusionsFL/FR
european hazelnut oil CO2 extractFL/FR
european hazelnut oleoresinFL
 hazelnut pasteFL
2-methoxy-3-methyl pyrazineFL/FR
 methoxymethyl pyrazineFL/FR
2-methyl-3-ethyl quinoxaline 
2-methyl-3-pentyl pyrazine 
2-methyl-3-vinyl pyrazine 
2-methyl-6-vinyl pyrazine 
 nutty cyclohexenoneFL/FR
 nutty quinoxalineFL/FR
 peanut oxazoleFL
2-propyl-3,6-dimethyl pyrazine 
 sesame absoluteFL/FR
 tetrahydrofurfuryl alcoholFL/FR
onion
2-acetyl thiopheneFL/FR
phenolic
4-methyl-2,6-dimethoxyphenolFL/FR
popcorn
2-propionyl-2-thiazolineFL
roasted
2-acetyl pyrazineFL/FR
3,5-diisobutyl-1,2,4-trithiolaneFL
 furfuryl thioacetateFL/FR
2-(methoxymethyl)-6-methyl pyridine 
rummy
 ethyl pyruvateFL/FR
spicy
 chocolate cinnamon hazelnut flavorFL
 cinnamon hazelnut cappuccino flavorFL
 cinnamon hazelnut cream flavorFL
sweet
 caramel dioneFL
 cyclohexyl acetic acidFL/FR
 vanilla oleoresin baliFL/FR
toasted
 acetyl propionylFL/FR
vanilla
 ethyl vanillinFL/FR
 vanilla hazelnut flavorFL
 vanillyl isobutyrateFL/FR
waxy
 furfuryl octanoateFL
 
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Potential Uses:
 butterscotchFR
 caramelFL
 chocolate 
 coffee 
 nut hazelnutFR
 nut roasted nut 
 popcornFR
 toffeeFR
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Occurrence (nature, food, other): note
 coffee
Search  Picture
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Synonyms:
2 acetyl-3, 5 (or 6) dimethylpyrazine
2-acetyl-3, 5 (or 6) dimethylpyrazine
2-acetyl-3,(5 or 6)-dimethylpyrazine
2-acetyl-3,5(6)-dimethyl pyrazine
2-acetyl-3,5(6)-dimethylpyrazine
2-acetyl-3,5(or 6)-dimethylpyrazine
2-acetyl-3,5-dimethyl pyrazine and 2-acetyl-3,6-dimethyl pyrazine mixture
2-acetyl-3,5-dimethylpyrazine and 2-acetyl-3,6-dimethylpyrazine mixture
2-acetyl-3,6-dimethylpyrazine and 2-acetyl-3,5-dimethylpyrazine mixture
1-(3,5(or 6)-dimethyl pyrazinyl) ethan-1-one
1-(3,?-dimethyl pyrazinyl) ethan-1-one
1-(3,5(or 6)-dimethyl pyrazinyl) ethanone
1-(3,5-dimethylpyrazin-1-ium-1-yl)ethanone
1-(3,5(or 6)-dimethylpyrazinyl)ethan-1-one
1-(3,?-dimethylpyrazinyl)ethan-1-one
1-(3,5(or 6)-dimethylpyrazinyl)ethanone
 ethanone, 1-(3,?-dimethyl-2-pyrazinyl)-
 ethanone, 1-(3,?-dimethylpyrazinyl)-
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