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2,3,5,6-tetramethyl pyrazine
2,3,5,6-tetramethylpyrazine

Sponsors

Flavor Demo Formulas
Name:2,3,5,6-tetramethylpyrazine
CAS Number: 1124-11-4Picture of molecule3D/inchi
ECHA EINECS - REACH Pre-Reg:214-391-2
FDA UNII:V80F4IA5XG
Nikkaji Web:J39.647H
Beilstein Number:0113100
MDL:MFCD00006146
CoE Number:734
XlogP3:1.30 (est)
Molecular Weight:136.19764000
Formula:C8 H12 N2
BioActivity Summary:listing
NMR Predictor:Predict (works with chrome or firefox)
Category:cosmetic, flavor and fragrance 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:780 2,3,5,6-tetramethylpyrazine
FLAVIS Number:14.018 (Old)
DG SANTE Food Flavourings:14.018 2,3,5,6-tetramethylpyrazine
FEMA Number:3237 2,3,5,6-tetramethylpyrazine
FDA Mainterm: 2,3,5,6-TETRAMETHYLPYRAZINE
 
Physical Properties:
Appearance:white crystals (est)
Assay: 95.00 to 100.00
Food Chemicals Codex Listed: Yes
Melting Point: 85.00 to 90.00 °C. @ 760.00 mm Hg
Boiling Point: 190.00 °C. @ 760.00 mm Hg
Vapor Pressure:0.671000 mm/Hg @ 25.00 °C. (est)
Vapor Density:4.7 ( Air = 1 )
Flash Point:> 200.00 °F. TCC ( > 93.33 °C. )
logP (o/w): 1.280
Soluble in:
 alcohol
 fixed oils
 propylene glycol
 water, 7007 mg/L @ 25 °C (est)
Stability:
 alcoholic fine fragrance, good
 antiperspirant, good
 fabric softener, good
 hypochlorite bleach, poor
 liquid detergent, good
 perborate powder detergent, good
 soap, good
 toiletry application, good
 
Organoleptic Properties:
Odor Type: nutty
Odor Strength:medium ,
recommend smelling in a 10.00 % solution or less
nutty musty chocolate coffee cocoa brown lard burnt
Odor Description:at 10.00 % in dipropylene glycol. nutty musty chocolate coffee cocoa brown lard burnt
Odor sample from: CA Aromatics Company Inc.
nutty musty vanilla dry brown cocoa
Odor Description:Nutty, musty and vanilla with dry, brown cocoa nuances
Mosciano, Gerard P&F 22, No. 2, 69, (1997)
Flavor Type: nutty
">nutty musty weedy earthy cocoa peanut coffee asparagus
Taste Description: nutty musty weedy earthy cocoa peanut coffee asparagus
nutty musty cocoa dry peanut raw coffee
Taste Description: at 150.00 ppm. Nutty, musty, cocoa, drying, peanut-like and raw coffee notes
Mosciano, Gerard P&F 22, No. 2, 69, (1997)
Odor and/or flavor descriptions from others (if found).
Frutarom
2,3,5,6-TETRAMETHYLPYRAZINE ≥99.00%, NI, Kosher
Odor Description:Chocolate, Musty, Roast, Sweet
Suggested Uses: Cheese, Chocolate, Coffee, Dairy Products, Meat, Shellfish, Tea
Moellhausen
2,3,5,6-TETRAMETHYL PYRAZINE
Odor Description:smoke, herbaceous, dry
Taste Description:sweet, chocolate, coffee, cocoa, fermented
Alfrebro
2,3,5,6-TETRAMETHYL PYRAZINE NATURAL 99%
Odor Description:Nutty Chocolate Coffee
Pell Wall Perfumes
Tetramethyl Pyrazine
Odor Description:Nutty, chocolate, roasted, tea. Powerful
As with all pyrazines this is used in traces Tetramethyl Pyrazine at 0.1% in Ethanol has a distinctively chocolate odour with elements of roasted nuts and a distinctive tea element. Very useful as part of an authentic chocolate and black tea accords, but must be used with a very light touch.
 
Cosmetic Information:
CosIng:cosmetic data
Cosmetic Uses: perfuming agents
 
Suppliers:
Advanced Biotech
2,3,5,6 TETRA METHYL PYRAZINE NATURAL
98% min.
Odor: Cocoa, Nutty
Advanced Biotech
2,3,5,6 TETRAMETHYL PYRAZINE
Alfrebro
2,3,5,6-TETRAMETHYL PYRAZINE NATURAL 99%
Odor: Nutty Chocolate Coffee
Anhui Haibei
2,3,5,6-Tetramethyl Pyrazine
Odor: Sweet musty chocolate tea cocoa soybean lard burnt
Apiscent Labs
2, 3, 5, 6 TETRAMETHYLPYRAZINE
Odor: Roast peanut, filbert, cocoa
Apple Flavor & Fragrance
Tetramethyl pyrazine Natural
Aromiens International
2,3,5,6-Tetramethyl Pyrazine, Natural
Artiste
2,3,5,6-Tetramethyl Pyrazine Natural
Entire library of synthetic pyrazines is available.
Aurochemicals
2,3,5,6-TETRAMETHYL PYRAZINE, Natural
Axxence Aromatic
2,3,5,6-TETRAMETHYL PYRAZINE Natural
Sustainability
Beijing Lys Chemicals
2,3,5,6-Tetramethyl pyrazine
BOC Sciences
For experimental / research use only.
2,3,5,6-Tetramethylpyrazine >98%
CG Herbals
2,3,5,6-Tetra Methyl Pyrazine
Odor: Weak, Nutty, Musty, Chocolate
Charkit Chemical
TETRAMETHYLPYRAZINE, 2,3,5,6- FEMA 3237
Charkit Chemical
TETRAMETHYLPYRAZINE, 2,3,5,6- NATURAL FEMA 3237
Citrus and Allied Essences
2,3,5,6-Tetramethyl Pyrazine FCC
Odor: fermented soybean
Market Report
De Monchy Aromatics
2,3,5,6-Tetramethylpyrazine
Diffusions Aromatiques
2,3,5,6-TETRAMETHYL PYRAZINE NATURELLE
Diffusions Aromatiques
2,3,5,6-TETRAMETHYL PYRAZINE
EMD Millipore
For experimental / research use only.
2,3,5,6-Tetramethylpyrazine
Ernesto Ventós
2,3,5,6-TETRAMETHYLPYRAZINE NATURAL
Odor: CARAMEL,FERMENTED SOY,ROASTED,COCOA
Ernesto Ventós
2,3,5,6-TETRAMETHYLPYRAZINE
Odor: CARAMEL, FERMENTED SOY, ROASTED
Excellentia International
2,3,5,6-TetraMethyl Pyrazine Natural
FCI SAS
2,3,5,6-TETRAMETHYL PYRAZINE
Odor: Roast peanut, filbert and cocoa
Fleurchem
2,3,5,6-tetramethyl pyrazine
Fleurchem
tetramethyl pyrazine natural
Frutarom
2,3,5,6-TETRAMETHYL PYRAZINE
Frutarom
2,3,5,6-TETRAMETHYLPYRAZINE
≥99.00%, NI, Kosher
Odor: Chocolate, Musty, Roast, Sweet
Use: Suggested Uses: Cheese, Chocolate, Coffee, Dairy Products, Meat, Shellfish, Tea
Frutarom
NATURAL TETRAMETHYLPYRAZINE
≥99.00%, natural, Kosher
Odor: Chocolate, Musty, Roast, Sweet
Use: Suggested Uses: Cheese, Chocolate, Coffee, Dairy Products, Meat, Shellfish, Tea
Indukern F&F
2,3,5,6-TETRAMETHYL PYRAZINE NATURAL
Odor: CHOCOLATE, COFFEE, NUTTY
Indukern F&F
2,3,5,6-TETRAMETHYL PYRAZINE
Odor: NUTTY, SWEET, LACTONA, COCONUT
Jiangyin Healthway
2,3,5,6-Tetramethyl Pyrazine
New functional food ingredients
Jiangyin Healthway
Tetramethylpyrazine
Jinan Enlighten Chemical Technology(Wutong Aroma )
2,3,5,6-Tetramethyl pyrazine, Kosherk
Kun Shan P&A
2,3,5,6-Natural Tetramethyl Pyrazine (EU)
Lluch Essence
PYRAZINE 2,3,5,6-TETRAMETHYL NATURAL
Lluch Essence
PYRAZINE 2,3,5,6-TETRAMETHYL
M&U International
2,3,5,6-TETRAMETHYLPYRAZINE, Kosher
M&U International
NAT.2,3,5,6-TETRAMETHYLPYRAZINE, Kosher
Matrix Scientific
For experimental / research use only.
2,3,5,6-Tetramethylpyrazine, 95+%
Moellhausen
2,3,5,6-TETRAMETHYL PYRAZINE
Odor: smoke, herbaceous, dry
Flavor: sweet, chocolate, coffee, cocoa, fermented
Myrazine
Tetramethyl Pyrazine
Odor: musty nutty chocolate coffee cocoa soybean lard burnt
Natural Advantage
Tetramethyl pyrazine Nat
Pearlchem Corporation
2,3,5,6-Tetramethyl Pyrazine
Pell Wall Perfumes
Tetramethyl Pyrazine
Odor: Nutty, chocolate, roasted, tea. Powerful
Use: As with all pyrazines this is used in traces Tetramethyl Pyrazine at 0.1% in Ethanol has a distinctively chocolate odour with elements of roasted nuts and a distinctive tea element. Very useful as part of an authentic chocolate and black tea accords, but must be used with a very light touch.
Penta International
2,3,5,6-TETRAMETHYL PYRAZINE, NATURAL, Kosher
Penta International
2,3,5,6-TETRAMETHYLPYRAZINE, SYNTHETIC, Kosher
Phoenix Aromas & Essential Oils
Pyrazine, 2,3,5,6- Tetramethyl
Reincke & Fichtner
2,3,5,6-Tetramethylpyrazine
Riverside Aromatics
2,3,5,6-TETRAMETHYLPYRAZINE
Santa Cruz Biotechnology
For experimental / research use only.
2,3,5,6-Tetramethylpyrazine ≥99%
Sigma-Aldrich
2,3,5,6-Tetramethylpyrazine, ≥98%, FG
Odor: chocolate; musty; coffee
Certified Food Grade Products
Sigma-Aldrich
2,3,5,6-Tetramethylpyrazine, natural, ≥98%, FG
Odor: chocolate; musty; coffee
Sunaux International
2,3,5,6-Tetramethylpyrazine
Sunaux International
nat.2,3,5,6-Tetramethylpyrazine
Synerzine
2,3,5,6-Tetramethylpyrazine
Synerzine
2,3,5,6-Tetramethylpyrazines Natural
Taytonn
2,3,5,6-Tetramethylpyrazine
Odor: Chocolate, Musty, Roast, Sweet
Taytonn
Natural Tetramethylpyrazine
Odor: Chocolate, Musty, Roast, Sweet
TCI AMERICA
For experimental / research use only.
2,3,5,6-Tetramethylpyrazine >98.0%(GC)(T)
Tengzhou Jitian Aroma Chemiclal
2,3,5,6-Tetramethyl Pyrazine
Tengzhou Xiang Yuan Aroma Chemicals
2,3,5,6-Tetramethyl Pyrazine
The Perfumers Apprentice
Tetramethyl-pyrazine 10% (PG)
Treatt
2,3,5,6-Tetramethylpyrazine
NI, Kosher
Vigon International
Tetramethyl-2,3,5,6 Pyrazine Natural
WEN International
TETRAMETHYL PYRAZINE Natural
 
Safety Information:
Preferred SDS: View
European information :
Most important hazard(s):
Xn - Harmful.
R 22 - Harmful if swallowed.
R 36/37/38 - Irritating to eyes, respiratory system, and skin.
R 41 - Risk of serious damage to eyes.
S 02 - Keep out of the reach of children.
S 20/21 - When using do not eat, drink or smoke.
S 24/25 - Avoid contact with skin and eyes.
S 26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S 37/39 - Wear suitable 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:
gavage-rat LD50 1910 mg/kg
(Oser, 1969g)

intravenous-mouse LD50 239 mg/kg
Chinese Medical Journal Vol. 4, Pg. 319, 1978.

intraperitoneal-mouse LD50 800 ug/kg
International Journal of Crude Drug Research. Vol. 23, Pg. 119, 1985.

oral-rat LD50 1910 mg/kg
Drug and Chemical Toxicology. Vol. 3, Pg. 249, 1980.

Dermal Toxicity:
Not determined
Inhalation Toxicity:
Not determined
 
Safety in Use Information:
Category: cosmetic, flavor and fragrance agents
Recommendation for 2,3,5,6-tetramethyl pyrazine usage levels up to:
  0.6000 % in the fragrance concentrate.
 
Maximised Survey-derived Daily Intakes (MSDI-EU): 6.70 (μg/capita/day)
Maximised Survey-derived Daily Intakes (MSDI-USA): 19.00 (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: 4
 average usual ppmaverage maximum ppm
baked goods: -5.00000
beverages(nonalcoholic): -5.00000
beverages(alcoholic): --
breakfast cereal: --
cheese: --
chewing gum: --
condiments / relishes: -10.00000
confectionery froastings: --
egg products: --
fats / oils: --
fish products: --
frozen dairy: --
fruit ices: --
gelatins / puddings: --
granulated sugar: --
gravies: -10.00000
hard candy: -5.00000
imitation dairy: --
instant coffee / tea: --
jams / jellies: --
meat products: -10.00000
milk products: -5.00000
nut products: --
other grains: --
poultry: --
processed fruits: --
processed vegetables: --
reconstituted vegetables: --
seasonings / flavors: --
snack foods: --
soft candy: --
soups: -10.00000
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
Safety and efficacy of pyrazine derivatives including saturated ones belonging to chemical group 24 when used as flavourings for all animal species
View page or View pdf
EPI System: View
Cancer Citations:Search
Toxicology Citations:Search
EPA Substance Registry Services (TSCA):1124-11-4
EPA ACToR:Toxicology Data
EPA Substance Registry Services (SRS):Registry
Laboratory Chemical Safety Summary :14296
National Institute of Allergy and Infectious Diseases:Data
WGK Germany:3
2,3,5,6-tetramethylpyrazine
Chemidplus:0001124114
RTECS:UQ3905000 for cas# 1124-11-4
 
References:
 2,3,5,6-tetramethylpyrazine
NIST Chemistry WebBook:Search Inchi
Canada Domestic Sub. List:1124-11-4
Pubchem (cid):14296
Pubchem (sid):134980455
Pherobase:View
 
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
CHEMBL:View
HMDB (The Human Metabolome Database):HMDB36584
FooDB:FDB015495
Export Tariff Code:2933.99.9700
VCF-Online:VCF Volatile Compounds in Food
ChemSpider:View
 
Potential Blenders and core components note
For Odor
balsamic
2-
acetyl furan
FL/FR
caramellic
fenugreek oleoresin
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
2-
methyl butyraldehyde
FL/FR
coffee
1-
hydroxy-2-butanone
FL/FR
earthy
nutty pyrazine
FL/FR
green
geranic acid
FL/FR
medicinal
quinoline
CS
moldy
strawberry furanone methyl ether
FL/FR
musty
2-
acetyl pyrrole
FL/FR
3-
acetyl-2,5-dimethyl furan
FL/FR
hazelnut pyrazine
FL/FR
menthofuran
FL/FR
nutty
2-
acetyl-3-ethyl pyrazine
FL/FR
2-
acetyl-5-methyl furan
FL/FR
2,3-
dimethyl pyrazine
FL/FR
4,5-
dimethyl-2-ethyl-3-thiazoline
FL/FR
2-
ethyl pyrazine
FL/FR
filbert pyrazine
FL/FR
2,6-
lutidine
FL/FR
2-
methyl pyrazine
FL/FR
5-
methyl quinoxaline
FL/FR
2-
methyl thio-3,5 or 6-methyl pyrazine
FL/FR
nutty cyclohexenone
FL/FR
nutty quinoxaline
FL/FR
2,3,5-
trimethyl pyrazine
FL/FR
vinyl sulfurol
FL/FR
popcorn
2-
acetyl thiazole
FL/FR
roasted
fenugreek resinoid
FL/FR
waxy
butyl laurate
FL/FR
phenethyl octanoate
FL/FR
woody
cedrenyl acetate
FR
4-
hydroxybenzaldehyde
FL/FR
2-
methoxy-4-vinyl phenol
FL/FR
patchouli oil
FL/FR
For Flavor
No flavor group found for these
acetyl acetaldehyde dimethyl acetal
FL
2-
acetyl-6-methyl pyrazine
FL
(E)-
aconitic acid
FL
2(4)-iso
butyl-4(2),6-dimethyl dihydro-4H-1,3,5-dithiazine
FL
chocolate pyrazine A
FL/FR
chocolate pyrazine B
FL
cyclohexyl methyl pyrazine
FL
2,5-
diethyl thiazole
FL
peanut dithiazine
FL
pyrazines mixture
FL
brown
brown
fenugreek oleoresin
FL/FR
1-
hydroxy-2-butanone
FL/FR
caramellic
fenugreek resinoid
FL/FR
cocoa
cocoa hexenal
FL/FR
corn chip
2-
acetyl thiazole
FL/FR
creamy
4-
hydroxybenzaldehyde
FL/FR
earthy
camu camu distillates
FL
fruity
phenethyl octanoate
FL/FR
fusel
2-
methyl butyraldehyde
FL/FR
green
geranic acid
FL/FR
moldy
strawberry furanone methyl ether
FL/FR
musty
2,5-
dimethyl pyrazine
FL/FR
hazelnut pyrazine
FL/FR
menthofuran
FL/FR
2,3,5-
trimethyl pyrazine
FL/FR
nutty
2-
acetyl furan
FL/FR
2-
acetyl pyrrole
FL/FR
3-
acetyl-2,5-dimethyl furan
FL/FR
2-
acetyl-3-ethyl pyrazine
FL/FR
2-
acetyl-5-methyl furan
FL/FR
2,3-
dimethyl pyrazine
FL/FR
2,6-
dimethyl pyrazine
FL/FR
4,5-
dimethyl-2-ethyl-3-thiazoline
FL/FR
2-
ethyl pyrazine
FL/FR
filbert pyrazine
FL/FR
2,6-
lutidine
FL/FR
2-
methoxy-3-methyl pyrazine
FL/FR
2-
methyl pyrazine
FL/FR
5-
methyl quinoxaline
FL/FR
2-
methyl thio-3,5 or 6-methyl pyrazine
FL/FR
nutty cyclohexenone
FL/FR
nutty pyrazine
FL/FR
nutty quinoxaline
FL/FR
nutty thiazole
FL
peanut oxazole
FL
vinyl sulfurol
FL/FR
smoky
2-
methoxy-4-vinyl phenol
FL/FR
waxy
butyl laurate
FL/FR
woody
patchouli oil
FL/FR
 
Potential Uses:
 chocolate cocoa
FLcoffee
FL/FRgalbanum
FLgreen
FLguava
 lard
FLnut filbert
FLnut macadamia
FLnut peanut
 soybean
FLsugar brown
 
Occurrence (nature, food, other):note
 beef roasted beef
Search PMC Picture
 cheese cheddar cheese
Search PMC Picture
 cocoa products
Search Trop Picture
 coconut endosperm
Search Trop Picture
 coffee
Search PMC Picture
 dairy products
Search PMC Picture
 egg boiled egg
Search PMC Picture
 filbert
Search Trop Picture
 galbanum
Search Trop Picture
 guava fruit
Search Trop Picture
 macadamia nut
Search Trop Picture
 meat
Search PMC Picture
 peanut
Search Trop Picture
 pepper bell pepper fruit
Search Trop Picture
 rum
Search PMC Picture
 shrimp
Search PMC Picture
 soy products
Search PMC Picture
 soybean seed
Search Trop Picture
 tea green tea
Search Trop Picture
 tea leaf
Search Trop Picture
 whiskey
Search Picture
 
Synonyms:
 chuanxingzine
 ligustrazine
 pyrazine, 2,3,5,6- tetramethyl
 pyrazine, 2,3,5,6-tetramethyl-
2,3,5,6-tetra methyl pyrazine
2,3,5,6-tetramethyl pyrazine
2,3,5,6-tetramethyl pyrazine (natural)
2,3,5,6-tetramethyl pyrazine FCC
 tetramethyl pyrazine natural
2,3,5,6-tetramethyl pyrazine natural
2,3,5,6-tetramethyl pyrazine, natural
 tetramethylpyrazine
2, 3, 5, 6 tetramethylpyrazine
2,3,5,6-tetramethylpyrazine
nat.2,3,5,6-tetramethylpyrazine
2,3,5,6-tetramethylpyrazine natural
2,3,5,6-tetramethylpyrazine, synthetic
2,3,5,6-tetramethylpyrazines natural
 tetrapyrazine
 
 
Notes:
found in ligusticum chuanxiong. Isol. from Galbanum oil. Present in french fries, bread, cooked meats, tea, cocoa, coffee, beer, spirits, peanuts, filberts, dairy products and soy products. Fragrance and flavouring ingredient
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