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2-propyl pyrazine

Chemical Structure

General Material Information

Preferred name 2-propyl pyrazine
Trivial Name Propylpyrazine
Short Description 2-propylpyrazine
Formula C7 H10 N2
CAS Number 18138-03-9
FEMA Number 3961
Flavis Number 14.142
ECHA Number 242-023-0
FDA UNII 62VZ3AQA6L
Nikkaji Number J101.102B
MDL MFCD00049214
COE Number 11362
NMR Predictor External link
JECFA Food Flavoring 763 2-propylpyrazine
FDA Patent No longer provide for the use of these seven synthetic flavoring substances
FDA Mainterm 18138-03-9 ; 2-PROPYLPYRAZINE
Synonyms
  • propyl pyrazine
  • 2-N- propyl pyrazine
  • 2-propyl-1,4-diazine
  • 2-propylpyrazine
  • 2-N- propylpyrazine
  • N- propylpyrazine
  • pyrazine, 2-(n-propyl)-
  • pyrazine, 2-propyl-
  • pyrazine, N-propyl-
  • 2-propylpyrazine
  • Pyrazine, propyl-
  • Propylpyrazine

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

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Literature & References

2-propylpyrazine
NIST Chemistry WebBook:Search Inchi
Pubchem (cid):87466
Pubchem (sid):135042519
Publications by US Patents
3,931,166 - Certain 2,5-dimethyl-3-thiopyrazines

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):HMDB41571
FooDB:FDB021561
Export Tariff Code:2933.99.8290
VCF-Online:VCF Volatile Compounds in Food
ChemSpider:View

PhysChem Properties

Material listed in food chemical codex No
Molecular weight 122.17070007324
Specific gravity @ 25 °C
Pounds per Gallon 8.038 to 8.071
Refractive Index 1.492 to 1.496 @ 20 °C
Boiling Point 176 to 177°C @ 760 mm Hg
Vapor Pressure 1.447 mmHg @ 25 °C
Flash Point TCC Value 65 °C TCC
logP (o/w) 1.361 est
Solubility
alcohol Yes
water Yes
water, 5476 mg/L @ 25 °C (est) Yes
Stability
stable in most media Unspecified

Organoleptic Properties

Odor Type: Green
green, vegetable, nutty, hazelnut, barley roasted barley, corn
General comment At 0.10 % in dipropylene glycol. green vegetable nutty
Flavor Type: Green
green, burnt
General comment Green burnt

Occurrences

Potential Uses

Applications
Flavoring purposes Bread, Chocolate cocoa, Chocolate cocoa, Coffee, Green, Nut, Peanut, Vegetable, Walnut

Safety Information

Safety information

Preferred SDS: View
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:
flavoring agents
Recommendation for 2-propyl pyrazine usage levels up to:
not for fragrance use.
Maximised Survey-derived Daily Intakes (MSDI-EU): 0.12 (μg/capita/day)
Maximised Survey-derived Daily Intakes (MSDI-USA): 0.10 (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: 19
Click here to view publication 19
average usual ppmaverage maximum ppm
baked goods: 1.000002.00000
beverages(nonalcoholic): 0.500001.00000
beverages(alcoholic): 0.500001.00000
breakfast cereal: 1.000002.00000
cheese: --
chewing gum: --
condiments / relishes: --
confectionery froastings: --
egg products: --
fats / oils: --
fish products: --
frozen dairy: 0.500001.00000
fruit ices: --
gelatins / puddings: 0.500001.00000
granulated sugar: --
gravies: --
hard candy: --
imitation dairy: --
instant coffee / tea: --
jams / jellies: --
meat products: --
milk products: --
nut products: --
other grains: --
poultry: --
processed fruits: --
processed vegetables: --
reconstituted vegetables: --
seasonings / flavors: --
snack foods: --
soft candy: 0.500001.00000
soups: --
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):18138-03-9
EPA ACToR:Toxicology Data
EPA Substance Registry Services (SRS):Registry
Laboratory Chemical Safety Summary :87466
National Institute of Allergy and Infectious Diseases:Data
WGK Germany:3
2-propylpyrazine
Chemidplus:0018138039