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2-acetyl-3,5-dimethyl pyrazine

Chemical Structure

General Material Information

Preferred name 2-acetyl-3,5-dimethyl pyrazine
Trivial Name 2-Acetyl-3,5-dimethylpyrazine
Short Description 1-(3,5-dimethylpyrazin-2-yl)ethanone
Formula C8 H10 N2 O
CAS Number 54300-08-2
FEMA Number 3327
Flavis Number 14.055
ECHA Number 259-076-0
FDA UNII RES1FSY5Z7
Nikkaji Number J266.851C
MDL MFCD00055023
COE Number 11294
xLogP3-AA 0.60 (est)
NMR Predictor External link
JECFA Food Flavoring 786 2-acetyl-3,5-dimethylpyrazine
FDA Patent No longer provide for the use of these seven synthetic flavoring substances
Synonyms
  • 2-acetyl-3,5-dimethylpyrazine
  • 2-acetyl-3,5,6-dimethyl pyrazine
  • 1-(3,5-dimethyl pyrazin-2-yl)ethanone
  • 1-(3,5-dimethyl pyrazinyl)ethan-1-one
  • 1-(3,5-dimethyl pyrazinyl)ethanone
  • 1-(3,5-dimethylpyrazin-2-yl)ethanone
  • 1-(3,5-dimethylpyrazinyl)ethan-1-one
  • ethanone, 1-(3,5-dimethyl-2-pyrazinyl)-
  • ethanone, 1-(3,5-dimethylpyrazinyl)-
  • 1-(3,5-dimethylpyrazin-2-yl)ethanone
  • 1-(3,5-Dimethyl-2-pyrazinyl)ethanone
  • 2-Acetyl-3,5-dimethylpyrazine
  • 1-(3,5-Dimethylpyrazin-2-yl)ethan-1-one

US / EU / FDA / JECFA / FEMA / Scholar / Patents

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Other Information

(IUPAC):Atomic Weights of the Elements 2011 (pdf)
Videos:The Periodic Table of Videos
tgsc:Atomic Weights use for this web site
(IUPAC):Periodic Table of the Elements
FDA Substances Added to Food (formerly EAFUS):View
HMDB (The Human Metabolome Database):HMDB39999
FooDB:FDB019681
Export Tariff Code:2933.99.9700
VCF-Online:VCF Volatile Compounds in Food
ChemSpider:View

PhysChem Properties

Material listed in food chemical codex No
Molecular weight 150.18089294434
Specific gravity @ 25 °C
Pounds per Gallon 8.903 to 8.945
Refractive Index 1.51 to 1.52 @ 20 °C
Vapor Pressure 3 mmHg @ 20 °C
Flash Point TCC Value 90.56 °C TCC
logP (o/w) -0.139 est
Solubility
alcohol Yes
water, 1.855e+004 mg/L @ 25 °C (est) Yes
water No

Organoleptic Properties

Odor Type: Nutty
nutty, hazelnut roasted hazelnut
General comment At 0.10 % in propylene glycol. nutty roasted hazelnut
Flavor Type: Nutty
nutty, hazelnut roasted hazelnut
General comment Nutty roasted hazelnut

Occurrences

Potential Uses

Applications
Odor purposes Butterscotch, Hazelnut, Popcorn, Toffee
Flavoring purposes Caramel

Safety Information

Safety information

Preferred SDS: View
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

Safety in use information

Category:
flavor and fragrance agents
RIFM Fragrance Material Safety Assessment: Search
IFRA Code of Practice Notification of the 49th Amendment to the IFRA Code of Practice
Recommendation for 2-acetyl-3,5-dimethyl pyrazine usage levels up to:
0.1000 % in the fragrance concentrate.
Maximised Survey-derived Daily Intakes (MSDI-EU): 0.97 (μg/capita/day)
Maximised Survey-derived Daily Intakes (MSDI-USA): 1.00 (μg/capita/day)
Structure Class: II
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: --

Safety references

European Food Safety Athority(EFSA):Flavor usage levels; Subacute, Subchronic, Chronic and Carcinogenicity Studies; Developmental / Reproductive Toxicity Studies; Genotoxicity Studies...

European Food Safety Authority (EFSA) reference(s):

Opinion of the Scientific Panel on food additives, flavourings, processing aids and materials in contact with food (AFC) on a request from the Commission related to Flavouring Group Evaluation 17 (FGE.17): Pyrazine derivatives from chemical group 24 (Commission Regulation (EC) No 1565/2000 of 18 July 2000)
View page or View pdf

Flavouring Group Evaluation 50 (FGE.50): Consideration of pyrazine derivatives evaluated by JECFA (57th meeting) structurally related to pyrazine derivatives evaluated by EFSA in FGE.17 (2005) (Commission Regulation (EC) No 1565/2000 of 18 July 2000) - Opinion of the Scientific Panel on Food Additives, Flavourings, Processing Aids and Materials in contact with Food (AFC)
View page or View pdf

Flavouring Group Evaluation 17, Revision 1 (FGE.17Rev1): Pyrazine derivatives from chemical group 24 - Opinion of the Scientific Panel on Food Additives, Flavourings, Processing Aids and Materials in contact with Food (AFC) [1]
View page or View pdf

Scientific Opinion on Flavouring Group Evaluation 17, Revision 2 (FGE.17Rev2): Pyrazine derivatives from chemical group 24
View page or View pdf

Scientific Opinion on Flavouring Group Evaluation 50, Revision 1 (FGE.50Rev1): Consideration of pyrazine derivatives evaluated by JECFA (57th meeting) structurally related to pyrazine derivatives evaluated by EFSA in FGE.17Rev2 (2010)
View page or View pdf

EPI System: View
AIDS Citations:Search
Cancer Citations:Search
Toxicology Citations:Search
EPA Substance Registry Services (TSCA):54300-08-2
EPA ACToR:Toxicology Data
EPA Substance Registry Services (SRS):Registry
Laboratory Chemical Safety Summary :104721
National Institute of Allergy and Infectious Diseases:Data
WGK Germany:3
1-(3,5-dimethylpyrazin-2-yl)ethanone
Chemidplus:0054300082