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

2-methyl-5-vinyl pyrazine
2-methyl-5-vinylpyrazine

Supplier Sponsors

Name:2-ethenyl-5-methylpyrazine
CAS Number: 13925-08-1Picture of molecule3D/inchi
FDA UNII:11651I3458
Nikkaji Web:J101.076J
MDL:MFCD02683080
CoE Number:11359
XlogP3-AA:1.00 (est)
Molecular Weight:120.15476000
Formula:C7 H8 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:2127 2-methyl-5-vinylpyrazine
FEMA Number:3211-VOID 2-methyl-5-vinylpyrazine
FDA:No longer provide for the use of these seven synthetic flavoring substances
FDA Mainterm (SATF):13925-08-1 ; 2-METHYL-5-VINYLPYRAZINE
 
Physical Properties:
Appearance:colorless to yellow clear liquid (est)
Assay: 95.00 to 100.00
Food Chemicals Codex Listed: No
Specific Gravity:1.01100 to 1.02300 @ 25.00 °C.
Pounds per Gallon - (est).: 8.413 to 8.512
Refractive Index:1.55700 to 1.56100 @ 20.00 °C.
Boiling Point: 65.00 to 66.00 °C. @ 12.00 mm Hg
Boiling Point: 174.00 to 175.00 °C. @ 760.00 mm Hg (est)
Vapor Pressure:1.601000 mmHg @ 25.00 °C. (est)
Flash Point: 148.00 °F. TCC ( 64.50 °C. ) (est)
logP (o/w): 1.684 (est)
Soluble in:
 alcohol
 water, 6522 mg/L @ 25 °C (est)
Insoluble in:
 water
 
Organoleptic Properties:
Odor Type: coffee
Odor Description:coffee
Flavor Type: coffee
coffee
Taste Description: at 10.00 ppm in sugar syrup. coffee
Odor and/or flavor descriptions from others (if found).
 
Cosmetic Information:
None found
 
Suppliers:
BOC Sciences
For experimental / research use only.
2-Methyl-5-vinyl Pyrazine
Parchem
2-methyl-5-vinyl pyrazine
R C Treatt & Co Ltd
2-Methyl-5-vinylpyrazine
Tengzhou Jitian Aroma Chemiclal
2-Methyl-5-vinyl Pyrazine
Chemical Sources Association
Need This Item for Flavor/Food?: You can contact the Chemical Sources Association
 
Safety Information:
 
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-methyl-5-vinyl pyrazine usage levels up to:
 not for fragrance use.
 
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: 25. Update in publication number(s): 13
 average usual ppmaverage maximum ppm
baked goods: 4.000009.00000
beverages(nonalcoholic): 0.100002.00000
beverages(alcoholic): 1.000003.00000
breakfast cereal: --
cheese: --
chewing gum: --
condiments / relishes: --
confectionery froastings: --
egg products: --
fats / oils: --
fish products: --
frozen dairy: 2.000005.00000
fruit ices: --
gelatins / puddings: 1.000003.00000
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: 4.000009.00000
soups: --
sugar substitutes: --
sweet sauces: --
 
Safety References:
EPI System: View
EPA Substance Registry Services (TSCA):13925-08-1
EPA ACToR:Toxicology Data
EPA Substance Registry Services (SRS):Registry
Laboratory Chemical Safety Summary :26335
National Institute of Allergy and Infectious Diseases:Data
2-ethenyl-5-methylpyrazine
Chemidplus:0013925081
 
References:
 2-ethenyl-5-methylpyrazine
NIST Chemistry WebBook:Search Inchi
Canada Domestic Sub. List:13925-08-1
Pubchem (cid):26335
Pubchem (sid):134990418
 
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 Substances Added to Food (formerly EAFUS):View
HMDB (The Human Metabolome Database):HMDB37282
FooDB:FDB016301
VCF-Online:VCF Volatile Compounds in Food
ChemSpider:View
 
Potential Blenders and core components note
For Odor
No odor group found for these
sulfuryl octanoate
FL/FR
sulfuryl butyrate
FL/FR
sulfuryl decanoate
FL/FR
sulfuryl hexanoate
FL/FR
sulfuryl isobutyrate
FL/FR
sulfuryl propionate
FL/FR
alliaceous
alliaceous
methyl furfuryl disulfide
FL/FR
caramellic
coffee dione
FL/FR
fenugreek absolute
FL/FR
fenugreek oleoresin
FL/FR
iso
propenyl pyrazine
FL/FR
chocolate
chocolate pyrazine A
FL/FR
cocoa hexenal
FL/FR
2,6-
dimethyl pyrazine
FL/FR
2,5-
dimethyl pyrazine
FL/FR
2-
methoxy-3-methyl pyrazine
FL/FR
coffee
cichorium intybus root extract
FL/FR
cichorium intybus root solid extract
FL/FR
roasted
coffea arabica seed extract
FL/FR
coffea arabica seed extract
FL/FR
coffea arabica seed oil
FL/FR
coffee absolute
FL/FR
arabica
coffee bean butter
FL/FR
roasted arabica
coffee bean essence
FL/FR
roasted
coffee bean extract
FL/FR
roasted arabica
coffee bean oil
FL/FR
roasted arabica
coffee bean oil CO2 extract
FL/FR
coffee bean oil extract
FL/FR
coffee difuran
FL/FR
coffee resinoid
FL/FR
furfuryl mercaptan
FL/FR
2-
methyl-3-,5 or 6-(furfuryl thio) pyrazine
FL/FR
earthy
nutty pyrazine
FL/FR
fruity
tropical thiazole
FL/FR
green
2-
heptyl furan
FL/FR
herbal
thymyl methyl ether
FL/FR
musty
menthofuran
FL/FR
nutty
2-
acetyl-3-ethyl pyrazine
FL/FR
2-
acetyl-3-methyl pyrazine
FL/FR
3,5-
cocoa pyrazine
FL/FR
3,6-
cocoa pyrazine
FL/FR
2,3-
dimethyl pyrazine
FL/FR
2-
ethyl pyrazine
FL/FR
2-
ethyl-4-methyl thiazole
FL/FR
filbert heptenone
FL/FR
filbert pyrazine
FL/FR
2,6-
lutidine
FL/FR
2-
methyl pyrazine
FL/FR
2-
methyl thio-3,5 or 6-methyl pyrazine
FL/FR
nutty quinoxaline
FL/FR
2,3,5,6-
tetramethyl pyrazine
FL/FR
2,3,5-
trimethyl pyrazine
FL/FR
popcorn
2-
acetyl thiazole
FL/FR
sulfurous
benzothiazole
FL/FR
furfuryl thioacetate
FL/FR
S-
furfuryl thioformate
FL/FR
2-
methyl 5-(methyl thio) furan
FL/FR
O-
methyl S-1-methoxyhexan-3-yl carbonothioate
FL/FR
vegetable
tetrahydrofurfuryl alcohol
FL/FR
waxy
butyl laurate
FL/FR
woody
2-
methoxy-4-vinyl phenol
FL/FR
For Flavor
No flavor group found for these
2(4)-iso
butyl-4(2),6-dimethyl dihydro-4H-1,3,5-dithiazine
FL
chocolate pyrazine A
FL/FR
chocolate pyrazine B
FL
6,7-
dihydro-2,3-dimethyl-5H-cyclopentapyrazine
FL
dimethyl dihydrocyclopentapyrazine
FL
2,5-
dimethyl thiazole
FL
2,5-
dimethyl-3-thiofuroyl furan
FL
methyl 2-(methyl thio) acetate
FL
2-
methyl-3-,5 or 6-(furfuryl thio) pyrazine
FL/FR
peanut dithiazine
FL
sulfuryl butyrate
FL/FR
sulfuryl decanoate
FL/FR
sulfuryl hexanoate
FL/FR
sulfuryl isobutyrate
FL/FR
sulfuryl formate
FL
sulfuryl octanoate
FL/FR
sulfuryl propionate
FL/FR
absinthe
absinthe
absinthe flavor
FL
alliaceous
benzyl mercaptan
FL
dicyclohexyl disulfide
FL
tropical thiazole
FL/FR
brown
fenugreek oleoresin
FL/FR
burnt
1-(2-
furfuryl thio) propanone
FL
2-
methyl quinoxaline
FL
iso
propenyl pyrazine
FL/FR
caramellic
fenugreek absolute
FL/FR
chocolate
mocha cream flavor
FL
cocoa
cocoa hexenal
FL/FR
coffee
cappuccino flavor
FL
chicory flavor
FL
chicory root distillates
FL
chicory root essence
FL
roasted
chicory root oil
FL
chicory tincture
FL
cichorium intybus root extract
FL/FR
cichorium intybus root solid extract
FL/FR
coffea arabica seed extract
FL/FR
roasted
coffea arabica seed extract
FL/FR
coffea arabica seed oil
FL/FR
coffea canephora seed extract
FL
coffee absolute
FL/FR
arabica
coffee bean butter
FL/FR
roasted
coffee bean concentrate
FL
roasted robusta
coffee bean essence
FL
roasted arabica
coffee bean essence
FL/FR
roasted
coffee bean essence
FL
roasted robusta
coffee bean extract
FL
dried roasted
coffee bean extract
FL
roasted
coffee bean extract
FL/FR
roasted arabica
coffee bean oil CO2 extract
FL/FR
coffee bean oil extract
FL/FR
coffee creme brulee flavor
FL
coffee difuran
FL/FR
coffee dione
FL/FR
espresso
coffee distillates
FL
coffee distillates
FL
coffee enhancers
FL
espresso
coffee essence
FL
espresso
coffee extract
FL
espresso
coffee flavor
FL
coffee flavor
FL
dark roast
coffee flavor
FL
irish
coffee flavor
FL
coffee liqueur flavor
FL
coffee pyrazine
FL
coffee resinoid
FL/FR
coffee royale flavor
FL
difurfuryl ether
FL
diisoamyl thiomalate
FL
2,4-
dimethyl thiazole
FL
2-
ethyl-4-methyl thiazole
FL/FR
furfuryl mercaptan
FL/FR
methyl furfuryl disulfide
FL/FR
methyl furfuryl mercaptopropionate
FL
2-iso
propyl pyrazine
FL
2-
thiophene thiol
FL
corn chip
2-
acetyl thiazole
FL/FR
dairy
creme brulle coffee flavor
FL
fatty
2-
heptyl furan
FL/FR
fishy
4,5-
dimethyl thiazole
FL
green
3,4-
dimethoxystyrene
FL
meaty
benzothiazole
FL/FR
3-
mercapto-2-butanone
FL
2-
methyl 3-(methyl thio) furan
FL
mustard
furfuryl methyl ether
FL
musty
2,5-
dimethyl pyrazine
FL/FR
2-
ethoxythiazole
FL
menthofuran
FL/FR
2-
methyl 5-(methyl thio) furan
FL/FR
thymyl methyl ether
FL/FR
2,3,5-
trimethyl pyrazine
FL/FR
nutty
2-
acetyl-3-ethyl pyrazine
FL/FR
2-
acetyl-3-methyl pyrazine
FL/FR
3,5-
cocoa pyrazine
FL/FR
3,5(6)-
cocoa pyrazine
FL
3,6-
cocoa pyrazine
FL/FR
2,6-
dimethyl pyrazine
FL/FR
2,3-
dimethyl pyrazine
FL/FR
2-
ethyl pyrazine
FL/FR
filbert heptenone
FL/FR
filbert pyrazine
FL/FR
2,6-
lutidine
FL/FR
2-
methoxy-3-methyl pyrazine
FL/FR
2-
methyl pyrazine
FL/FR
2-
methyl thio-3,5 or 6-methyl pyrazine
FL/FR
nutty pyrazine
FL/FR
nutty quinoxaline
FL/FR
nutty thiazole
FL
tetrahydrofurfuryl alcohol
FL/FR
2,3,5,6-
tetramethyl pyrazine
FL/FR
popcorn
2-
propionyl-2-thiazoline
FL
roasted
roasted arabica
coffee bean oil
FL/FR
ethyl 3-(furfuryl thio) propionate
FL
furfuryl thioacetate
FL/FR
O-
methyl S-1-methoxyhexan-3-yl carbonothioate
FL/FR
smoky
2-
methoxy-4-vinyl phenol
FL/FR
spicy
cinnamon hazelnut cappuccino flavor
FL
sulfurous
S-
furfuryl thioformate
FL/FR
furfuryl thiopropionate
FL
3-
methyl-2-butane thiol
FL
2-
thienyl mercaptan
FL
vegetable
potato butyraldehyde
FL
waxy
butyl laurate
FL/FR
 
Potential Uses:
FLcake
FRchocolate
FLcoffee
FLcream ice cream
FLmilk
FLnut
 pudding
 
Occurrence (nature, food, other):note
 asparagus
Search Trop Picture
 asparagus cooked asparagus
Search Trop Picture
 beef cooked beef
Search PMC Picture
 bread wheat bread
Search PMC Picture
 chicken fried chicken
Search PMC Picture
 cocoa
Search Trop Picture
 coffee roasted coffee
Search PMC Picture
 filbert roasted filbert
Search Trop Picture
 peanut roasted peanut
Search Trop Picture
 popcorn
Search PMC Picture
 pork liver
Search PMC Picture
 potato baked potato
Search Trop Picture
 potato chip
Search PMC Picture
 sesame seed oil roasted
Search Trop Picture
 
Synonyms:
2-ethenyl-5-methyl pyrazine
2-ethenyl-5-methyl-pyrazine
2-ethenyl-5-methylpyrazine
2-methyl-5-vinylpyrazine
 pyrazine, 2-ethenyl-5-methyl-
 pyrazine, 2-methyl-5-vinyl-
 pyrazine, 2-vinyl-5-methyl-
 pyrazine, 5-methyl-2-vinyl-
 

Articles:

US Patents:4,303,689 - Flavoring with pyrazine derivatives
Leffingwell & Associates:Flavor Properties of FEMA GRAS List 25 flavor chemicals
US Patents:5,154,927 - Gum composition containing dispersed porous beads containing active chewing gum ingredients and method
US Patents:5,126,174 - A food packaging material that has a plurality of porous polymeric beads impregnated with an anti-oxidant, or oxygen scavenger compound
US Patents:4,981,978 - Reaction products of imidazole on pyrazole derivatives and 4-isopropenyl-1-cyclohexene-1-carboxaldehyde
US Patents:Certain 2,5-dimethyl-3-thiopyrazines
 
Notes:
Aroma constit. of raw or cooked asparagus, baked or chipped potato, wheat bread, fried chicken, pork liver, cooked beef, cocoa, roasted coffee, roasted filbert, roasted peanut, popcorn, sukiyaki and roasted sesame seed oil
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