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6,7-dihydro-2,3-dimethyl-5H-cyclopentapyrazine
(5H)-2,3-dimethyl-6,7-dihydrocyclopenta(b)pyrazine

Supplier Sponsors

Name:6,7-dihydro-2,3-dimethyl-5H-cyclopentapyrazine
CAS Number: 38917-62-3Picture of molecule3D/inchi
Other:38917-63-4
% from:30.00% to 60.00%
FDA UNII:7V95I5A59R
CoE Number:11309
XlogP3-AA:1.30 (est)
Molecular Weight:148.20864000
Formula:C9 H12 N2
NMR Predictor:Predict (works with chrome or firefox)
Name:2,3-dimethyl-6,7-dihydro-5H-cyclopentapyrazine
CAS Number: 38917-63-4Picture of molecule3D/inchi
EFSA/JECFA Comments:
CASrn in Register refers to 6,7-dihydro-3,5-dimethyl-5H-cyclopentapyrazine. CASrn to be changed.
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
FLAVIS Number:14.102 (Old)

14.098 (Old)
DG SANTE Food Flavourings:14.102 6,7-dihydro-2,3-dimethyl-5H-cyclopentapyrazine
FDA Mainterm (SATF):38917-63-4 ; 6,7-DIHYDRO-2,3-DIMETHYL-5H-CYCLOPENTAPYRAZINE
 
Physical Properties:
Appearance:colorless solid or liquid (est)
Assay: 97.00 to 100.00
Food Chemicals Codex Listed: No
Melting Point: 25.00 to 27.00 °C. @ 760.00 mm Hg
Boiling Point: 66.00 °C. @ 2.00 mm Hg
Vapor Pressure:0.197000 mmHg @ 25.00 °C. (est)
Flash Point: 178.00 °F. TCC ( 81.10 °C. ) (est)
logP (o/w): 1.762 (est)
Soluble in:
 alcohol
 water, slightly
 water, 557.2 mg/L @ 25 °C (est)
Insoluble in:
 water
 
Organoleptic Properties:
Odor Type: nutty
Odor Strength:high ,
recommend smelling in a 0.10 % solution or less
roasted nutty
Odor Description:at 0.10 % in dipropylene glycol. roasted nutty
Odor and/or flavor descriptions from others (if found).
 
Cosmetic Information:
None found
 
Suppliers:
Axsyn
For experimental / research use only.
5H-Cyclopentapyrazine,6,7-dihydro-2,7-dimethyl-
BOC Sciences
For experimental / research use only.
6,7-Dihydro-2,3-dimethyl-5H-cyclopentapyrazine
Parchem
6,7-dihydro-2,3-dimethyl-5H-cyclopentapyrazine
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 6,7-dihydro-2,3-dimethyl-5H-cyclopentapyrazine usage levels up to:
 not for fragrance use.
 
Maximised Survey-derived Daily Intakes (MSDI-EU): 0.012 (μg/capita/day)
Maximised Survey-derived Daily Intakes (MSDI-USA): 0.01 (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): 0.100001.00000
beverages(alcoholic): --
breakfast cereal: --
cheese: --
chewing gum: 1.000002.00000
condiments / relishes: --
confectionery froastings: --
egg products: --
fats / oils: --
fish products: --
frozen dairy: 0.300001.00000
fruit ices: --
gelatins / puddings: --
granulated sugar: --
gravies: --
hard candy: --
imitation dairy: --
instant coffee / tea: --
jams / jellies: --
meat products: 0.500001.00000
milk products: --
nut products: --
other grains: --
poultry: 0.500001.00000
processed fruits: --
processed vegetables: --
reconstituted vegetables: --
seasonings / flavors: --
snack foods: --
soft candy: --
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 ACToR:Toxicology Data
EPA Substance Registry Services (SRS):Registry
Laboratory Chemical Safety Summary :6428802
National Institute of Allergy and Infectious Diseases:Data
6,7-dihydro-2,3-dimethyl-5H-cyclopentapyrazine
Chemidplus:0038917623
2,3-dimethyl-6,7-dihydro-5H-cyclopentapyrazine
Chemidplus:0038917634
 
References:
 6,7-dihydro-2,3-dimethyl-5H-cyclopentapyrazine
NIST Chemistry WebBook:Search Inchi
Pubchem (cid):6428802
Pubchem (sid):10544751
 2,3-dimethyl-6,7-dihydro-5H-cyclopentapyrazine
Pubchem (sid):135344276
 
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):HMDB36142
FooDB:FDB014993
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
green
green
2-
heptyl furan
FL/FR
nutty
2-
acetyl-3-methyl pyrazine
FL/FR
3,6-
cocoa pyrazine
FL/FR
filbert heptenone
FL/FR
nutty quinoxaline
FL/FR
sulfurous
furfuryl thioacetate
FL/FR
For Flavor
No flavor group found for these
dimethyl dihydrocyclopentapyrazine
FL
2,5-
dimethyl thiazole
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
fatty
fatty
2-
heptyl furan
FL/FR
fishy
4,5-
dimethyl thiazole
FL
nutty
2-
acetyl-3-methyl pyrazine
FL/FR
3,6-
cocoa pyrazine
FL/FR
filbert heptenone
FL/FR
nutty quinoxaline
FL/FR
popcorn
2-
propionyl-2-thiazoline
FL
roasted
furfuryl thioacetate
FL/FR
 
Potential Uses:
FLnut
 
Occurrence (nature, food, other):note
 not found in nature
 
Synonyms:
5H-cyclopenta[b]pyrazine, 6,7-dihydro-2,3-dimethyl-
6,7-dihydro-2,3-dimethyl-5H-cyclopenta[b]pyrazine
2,3-dimethyl-6,7-dihydro-5H-cyclopenta[b]pyrazine
2,3-dimethyl-6,7-dihydro-5H-cyclopentapyrazine
(5H)-2,3-dimethyl-6,7-dihydrocyclopenta(b)pyrazine
 

Articles:

 None found yet.
 
Notes:
Formed from cysteine and rhamnose under roasting conditions. Found in beef, coffee, cocoa, earth almond (Cyperus esulentus), roast almonds, walnut and hazelnut. Flavouring ingredient
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