EU/US Properties Organoleptics Cosmetics Suppliers Safety Safety in use Safety references References Other Blenders Uses Occurrence Synonyms Articles Notes
 

2-propyl pyrazine
2-propylpyrazine

Supplier Sponsors

CAS Number: 18138-03-9Picture of molecule3D/inchi
ECHA EINECS - REACH Pre-Reg:242-023-0
FDA UNII:62VZ3AQA6L
Nikkaji Web:J101.102B
MDL:MFCD00049214
CoE Number:11362
XlogP3:1.00 (est)
Molecular Weight:122.17070000
Formula:C7 H10 N2
NMR Predictor:Predict (works with chrome or firefox)
Category:flavoring agents
 
US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information:
Google Scholar:Search
Google Books:Search
Google Scholar: with word "volatile"Search
Google Scholar: with word "flavor"Search
Google Scholar: with word "odor"Search
Perfumer and Flavorist:Search
Google Patents:Search
US Patents:Search
EU Patents:Search
Pubchem Patents:Search
PubMed:Search
NCBI:Search
JECFA Food Flavoring:763 2-propylpyrazine
FLAVIS Number:14.142 (Old)
DG SANTE Food Flavourings:14.142 2-propylpyrazine
FEMA Number:3961 2-propylpyrazine
FDA:No longer provide for the use of these seven synthetic flavoring substances
FDA Mainterm: 2-PROPYLPYRAZINE
 
Physical Properties:
Appearance:colorless to pale yellow clear liquid (est)
Assay: 98.00 to 100.00
Food Chemicals Codex Listed: No
Specific Gravity:0.96600 to 0.97000 @ 25.00 °C.
Pounds per Gallon - (est).: 8.038 to 8.071
Refractive Index:1.49200 to 1.49600 @ 20.00 °C.
Boiling Point: 65.00 °C. @ 12.00 mm Hg
Boiling Point: 176.00 to 177.00 °C. @ 760.00 mm Hg
Vapor Pressure:1.447000 mm/Hg @ 25.00 °C. (est)
Flash Point: 149.00 °F. TCC ( 65.00 °C. )
logP (o/w): 1.361 (est)
Soluble in:
 alcohol
 water
 water, 5476 mg/L @ 25 °C (est)
Stability:
 stable in most media
 
Organoleptic Properties:
Odor Type: green
Odor Strength:high ,
recommend smelling in a 0.10 % solution or less
green vegetable nutty
Odor Description:at 0.10 % in dipropylene glycol. green vegetable nutty
Flavor Type: green
green burnt
Taste Description: green burnt
Odor and/or flavor descriptions from others (if found).
 
Cosmetic Information:
None found
 
Suppliers:
Beijing Lys Chemicals
2-Propyl pyrazine
BOC Sciences
For experimental / research use only.
2-Propylpyrazine
Jinan Enlighten Chemical Technology(Wutong Aroma )
2-Propyl pyrazine, Kosherk
M&U International
2-PROPYL PYRAZINE, Kosher
Myrazine
Pyrazine, propyl-
Odor: green vegetable nutty
Parchem
2-propyl pyrazine
Penta International
2-PROPYLPYRAZINE, Kosher
Santa Cruz Biotechnology
For experimental / research use only.
n-Propylpyrazine
Sigma-Aldrich
2-Propylpyrazine, 97%, FG
Certified Food Grade Products
Synerzine
2-N-Propylpyrazine
TCI AMERICA
For experimental / research use only.
2-Propylpyrazine >98.0%(GC)(T)
 
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
 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
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
 
References:
 2-propylpyrazine
NIST Chemistry WebBook:Search Inchi
Pubchem (cid):87466
Pubchem (sid):135042519
 
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):HMDB41571
FooDB:FDB021561
Export Tariff Code:2933.99.8290
VCF-Online:VCF Volatile Compounds in Food
ChemSpider:View
 
Potential Blenders and core components note
For Odor
chocolate
2,4,5-
trimethyl thiazole
FL/FR
ethereal
2-
methyl valeraldehyde
FL/FR
floral
hexyl nonanoate
FL/FR
fruity
2-
heptyl butyrate
FL/FR
tropical thiazole
FL/FR
green
2-iso
butyl pyrazine
FL/FR
cucumber essence
FL/FR
geranium thiazole
FL/FR
(Z)-4-
heptenal
FL/FR
(Z)-4-
hexen-1-ol
FL/FR
(Z)-3-
hexen-1-yl (E)-crotonate
FL/FR
(Z)-3-
hexen-1-yl tiglate
FL/FR
4-
hexenol
FL/FR
2-
octen-1-ol
FL/FR
1-
penten-3-ol
FL/FR
iso
propyl decanoate
FL/FR
herbal
3-
butylidene phthalide
FL/FR
melon
(Z)-6-
nonen-1-ol
FL/FR
minty
iso
propyl tiglate
FL/FR
nutty
2-
acetyl-3-methyl pyrazine
FL/FR
2,3-
dimethyl pyrazine
FL/FR
2-
ethyl-4-methyl thiazole
FL/FR
2-
methyl pyrazine
FL/FR
shoyu pyrazine
FL/FR
sulfurous
grapefruit menthane
FL/FR
3-(
methyl thio) hexanol
FL/FR
waxy
propyl decanoate
FL/FR
For Flavor
No flavor group found for these
2-iso
butyl pyrazine
FL/FR
2,5-
diethyl-4-methyl thiazole
FL
2-
ethyl-4,5-dimethyl oxazole
FL
2-
heptyl butyrate
FL/FR
(Z)-3-
hexen-1-yl (E)-crotonate
FL/FR
(E)-4-
hexenal
FL
hexyl nonanoate
FL/FR
2-
methyl thiazole
FL
4-(
methyl thio) butanol
FL
2-
methyl-6-propoxypyrazine
FL
iso
propyl decanoate
FL/FR
propyl decanoate
FL/FR
2-iso
propyl pyridine
FL
2-iso
propyl-3-(methyl thio) pyrazine
FL
alliaceous
alliaceous
3-
tetrahydrothiophenone
FL
tropical thiazole
FL/FR
celery
3-
butylidene phthalide
FL/FR
coffee
2-
ethyl-4-methyl thiazole
FL/FR
2-iso
propyl pyrazine
FL
fatty
2-
octen-1-ol
FL/FR
fruity
2,4-
hexadien-1-ol
FL
green
cucumber essence
FL/FR
dihydroxyacetophenone (mixed isomers)
FL
2-
furyl acetone
FL
geranium thiazole
FL/FR
(E)-2-
heptenal
FL
(Z)-4-
heptenal
FL/FR
(Z)-4-
hexen-1-ol
FL/FR
(Z)-3-
hexen-1-yl tiglate
FL/FR
2-
hexyl pyridine
FL
4-
methyl thiazole
FL
3-(5-
methyl-2-furyl) butanal
FL
2,4-
octadienal
FL
1-
penten-3-ol
FL/FR
iso
propyl tiglate
FL/FR
propylene glycol acetone ketal
FL
2-
vinyl pyrazine
FL
metallic
4-
hexenol
FL/FR
3-(
methyl thio) hexanol
FL/FR
musty
shoyu pyrazine
FL/FR
nutty
2-
acetyl-3-methyl pyrazine
FL/FR
aconitic acid
FL
2,3-
dimethyl pyrazine
FL/FR
2-
methyl pyrazine
FL/FR
peanut oxazole
FL
2,4,5-
trimethyl thiazole
FL/FR
sulfurous
grapefruit menthane
FL/FR
methyl benzyl disulfide
FL
sweet
acetone alcohol
FL
vegetable
2-
methyl valeraldehyde
FL/FR
waxy
(Z)-6-
nonen-1-ol
FL/FR
 
Potential Uses:
FLbread
 chocolate cocoa
FLcocoa
FLcoffee
FLgreen
FLnut
FLpeanut
FLvegetable
FLwalnut
 
Occurrence (nature, food, other):note
 bread
Search PMC Picture
 cocoa
Search Trop Picture
 coffee roasted coffee
Search PMC Picture
 filbert
Search Trop Picture
 peanut
Search Trop Picture
 walnut english walnut
Search Trop Picture
 wort
Search Picture
 
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-
 
 
Notes:
Found in roasted coffee. Used in food flavouring
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