3,6-cocoa pyrazine
Isol. from coffee. Constit. of numerous cooked foods. Organoleptic agent with nutty roasted odour
  • Moellhausen
    • Moellhausen S.P.A.
      Innovation and commitment in the name of excellence.
      After 50 years in business, Moellhausen stands out as one of the world’s leading family-run companies in the industry of flavors and fragrances, raw materials, and specialties. My personal history is inextricably bound to that of the company, and I continue to dedicate all my energy to it along with our partners and collaborators who have supported us thus far with dedication, passion, love, and experience. Continuous investments and a professionalism aimed at achieving the highest levels of performance in service and quality, along with that same dedication, passion, love, and experience, have together enabled us to reach the absolute avant-garde level that characterizes Moellhausen today, recognized worldwide for its modernity, innovation, creativity, and respect for the environment and the safety and rights of those who work with us. As President and CEO of the company for 32 years, I offer a well-deserved thank you to all of our numerous customers, suppliers, employees, and company friends for helping to sustain our unstoppable and honorable growth. And it is with the support of all of our stakeholders that we will confidently continue to pursue our commitment to further advancing the excellence that our industry demands.
      Voice: +39 039.685.6262
      Fax: +39 039.685.6263
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      Pervasive technology and total control
      100846 2-ETHYL-3,5-DIMETHYL PYRAZINE
  • Penta International
    • Penta International Corporation
      Chemistry innovation
      At Penta, our products and services help businesses do business better.
      For over 30 years, Penta Manufacturing Company has played a growing role in worldwide chemistry innovations and applications. As an industry leader, Penta continues to pioneer chemistry-based solutions for practically every area of commerce. Our products and expertise have helped fuel technical advances in dozens of commercial applications including flavoring, coloring, fragrances and chemical processes.
      US Email: Technical Services
      US Email: Sales
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      05-27400 2-ETHYL-3,5,6-DIMETHYLPYRAZINE, Kosher
      05-27900 2-ETHYL-3,6-DIMETHYL PYRAZINE, Kosher
Synonyms   Articles   Notes   Search
3-ethyl-2,5-dimethylpyrazine (Click)
CAS Number: 13360-65-1Picture of molecule
ECHA EINECS - REACH Pre-Reg: 236-417-1
Nikkaji Web: J121.829H
CoE Number: 727
XlogP3: 1.50 (est)
Molecular Weight: 136.19764000
Formula: C8 H12 N2
NMR Predictor: Predict (works with chrome or firefox)
EFSA/JECFA Comments: Registername to be changed to 2,5-Dimethyl-3-ethylpyrazine.
Category: 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
IBM Patents: Obtain
Pubchem Patents: Search
JECFA Food Flavoring: 775  2,5-dimethyl-3-ethylpyrazine
Flavis Number: 14.111 (Old)
DG SANTE Food Flavourings: 14.111  3-ethyl-2,5-dimethylpyrazine
FEMA Number: 3149  2,5-dimethyl-3-ethylpyrazine
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Physical Properties:
Appearance: pale yellow to yellow clear liquid (est)
Assay: 97.00 to 100.00 % sum of isomers
Food Chemicals Codex Listed: No
Specific Gravity: 1.03400 to 1.04100 @  25.00 °C.
Pounds per Gallon - (est).: 8.604 to  8.662
Refractive Index: 1.49300 to 1.49700 @  20.00 °C.
Boiling Point: 180.50 °C. @ 760.00 mm Hg
Boiling Point: 176.00 °C. @ 760.00 mm Hg
Vapor Pressure: 1.212000 mm/Hg @ 25.00 °C. (est)
Flash Point: 157.00 °F. TCC ( 69.44 °C. )
logP (o/w): 2.070
Soluble in:
 water, 1473 mg/L @ 25 °C (est)
Insoluble in:
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Organoleptic Properties:
Odor Type: nutty
Odor Strength: high ,
recommend smelling in a 0.01 % solution or less
 potato  cocoa  roasted  nutty  
Odor Description:
at 0.01 % in propylene glycol. 
potato cocoa roasted nutty
 hazelnut  nutty  
Taste Description:
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Cosmetic Information:
CosIng: cosmetic data
Cosmetic Uses: perfuming agents
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BOC Sciences
For experimental / research use only.
Odor: hazel-nut, fatty note, coffee, cocoa, chips ,chocolate
3,6-cocoa pyrazine
Penta International
Penta International
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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
Hazard statement(s)
None found.
Precautionary statement(s)
None found.
Oral/Parenteral Toxicity:
Not determined
Dermal Toxicity:
Not determined
Inhalation Toxicity:
Not determined
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Safety in Use Information:
Category: flavor and fragrance agents
Recommendation for 3,6-cocoa pyrazine usage levels up to:
  0.0100 % in the fragrance concentrate.
Maximised Survey-derived Daily Intakes (MSDI-EU): 2.10 (μg/capita/day)
Threshold of Concern:540 (μg/person/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
Click here to view publication 4
 average usual ppmaverage maximum ppm
baked goods: -5.00000
beverages(nonalcoholic): -5.00000
beverages(alcoholic): --
breakfast cereal: -2.00000
cheese: --
chewing gum: --
condiments / relishes: -2.00000
confectionery froastings: --
egg products: --
fats / oils: --
fish products: --
frozen dairy: --
fruit ices: --
gelatins / puddings: -2.00000
granulated sugar: --
gravies: -2.00000
hard candy: -5.00000
imitation dairy: --
instant coffee / tea: --
jams / jellies: --
meat products: -2.00000
milk products: -1.00000
nut products: --
other grains: --
poultry: --
processed fruits: --
processed vegetables: --
reconstituted vegetables: --
seasonings / flavors: --
snack foods: --
soft candy: --
soups: --
sugar substitutes: --
sweet sauces: --
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Safety References:
Flavor & Extract Manufacturers Association (FEMA) reference(s):
The FEMA GRAS assessment of pyrazine derivatives used as flavor ingredients.View pdf
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):
Scientific Opinion on Flavouring Group Evaluation 17, Revision 3 (FGE.17Rev3): Pyrazine derivatives from chemical group 24
View page or View pdf
EPI System: View
EPA Substance Registry Services (TSCA): 13360-65-1
EPA ACToR: Toxicology Data
EPA Substance Registry Services (SRS): Registry
Laboratory Chemical Safety Summary : 25916
National Institute of Allergy and Infectious Diseases: Data
Chemidplus: 0013360651
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NIST Chemistry WebBook: Search Inchi
Canada Domestic Sub. List: 13360-65-1
Pubchem (cid): 25916
Pubchem (sid): 134989111
Flavornet: 13360-65-1
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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
HMDB (The Human Metabolome Database): HMDB32276
FooDB: FDB020022
VCF-Online: VCF Volatile Compounds in Food
ChemSpider: View
Read: Under the conditions of intended use - New developments in the FEMA GRAS program and the safety assessment of flavor ingredients
Read: A GRAS assessment program for flavor ingredients
Read: Sensory testing for flavorings with modifying properties. Food Technology
Read: Criteria for the safety evaluation of flavoring substances
Read: A procedure for the safety evaluation of natural flavor complexes used as ingredients in food: essential oils
Read: FEMA Expert Panel: 30 Years of safety evaluation for the flavor industry
Read: Consumption ratio and food predominance of flavoring materials
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Potential Blenders and core components note
For Odor
No odor group found for these
 sulfuryl octanoateFL/FR
 sulfuryl butyrateFL/FR
 sulfuryl decanoateFL/FR
 sulfuryl hexanoateFL/FR
 sulfuryl isobutyrateFL/FR
 sulfuryl propionateFL/FR
 propyl benzoateFL/FR
 ethyl 2-hydroxy-2-methyl butyrateFL/FR
 chocolate pyrazine AFL/FR
2-methyl butyraldehydeFL/FR
2-heptyl furanFL/FR
(E,Z)-2,6-nonadien-1-yl acetateFL/FR
para-methyl anisoleFL/FR
3,6-cocoa pyrazineFL/FR
2-methyl-3-propyl pyrazineFL/FR
For Flavor
No flavor group found for these
 chocolate pyrazine AFL/FR
 chocolate pyrazine BFL
 cyclohexyl methyl pyrazineFL
2,5-diethyl thiazoleFL
2,5-diethyl-4-methyl thiazoleFL
2,5-dimethyl thiazoleFL
 ethyl 2-hydroxy-2-methyl butyrateFL/FR
 methyl 2-(methyl thio) acetateFL
2-propyl pyridineFL
para-salicylic acidFL
 sulfuryl butyrateFL/FR
 sulfuryl decanoateFL/FR
 sulfuryl hexanoateFL/FR
 sulfuryl isobutyrateFL/FR
 sulfuryl octanoateFL/FR
 sulfuryl propionateFL/FR
 difurfuryl etherFL
2-isopropyl pyrazineFL
corn chip
2-methyl-3-propyl pyrazineFL/FR
2-heptyl furanFL/FR
 propyl benzoateFL/FR
2-methyl butyraldehydeFL/FR
 dihydroxyacetophenone (mixed isomers)FL
2-methyl-5-isopropyl pyrazineFL
(E,Z)-2,6-nonadien-1-yl acetateFL/FR
2-vinyl pyrazineFL
para-methyl anisoleFL/FR
3,6-cocoa pyrazineFL/FR
1-ethyl-2-acetyl pyrroleFL
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Potential Uses:
 chocolate cocoa 
 nut hazelnutFL
 nut peanutFL
 nut walnutFL
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Occurrence (nature, food, other): note
 beef - up to 0.013 mg/kg
Search  Picture
 beer - up to 0.02 mg/kg
Search  Picture
 chicory root oil @ 0.009%
Data  GC  Search Trop  Picture
 cocoa - up to 2.8 mg/kg
Search Trop  Picture
 coffee - up to 2.2 mg/kg
Search  Picture
 garlic bulb
Search Trop  Picture
 malt - up to 0.4 mg/kg
Search  Picture
 maze - up to 0.013 mg/kg
Search  Picture
 nut peanut - 0.1 mg/kg
Search  Picture
 pork - up to 12.5 mg/kg
Search  Picture
 potato chip - 2.2 mg/kg
Search  Picture
 rum - 0.2 mg/kg
Search  Picture
 shrimp - up to 0.3 mg/kg
Search  Picture
 soybean - up to 0.3 mg/kg
Search Trop  Picture
 tea - 0.2 mg/kg
Search Trop  Picture
 tea leaf
Search Trop  Picture
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3,6-cocoa pyrazine
2,5-dimethyl-3-ethyl pyrazine
3-ethyl-2,5-dimethyl pyrazine
 pyrazine, 2,5-dimethyl-3-ethyl-
 pyrazine, 3-ethyl-2,5-dimethyl-
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