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6,7-dimethyl dihydrocyclopentapyrazine
6,7-dihydro-2,5-dimethyl-5H-cyclopentapyrazine

Supplier Sponsors

Name:6,7-dihydro-2,5-dimethyl-5H-cyclopentapyrazine
CAS Number: 38917-61-2Picture of molecule3D/inchi
Nikkaji Web:J532.775J
CoE Number:11310
XlogP3-AA:1.20 (est)
Molecular Weight:148.20864000
Formula:C9 H12 N2
NMR Predictor:Predict (works with chrome or firefox)
EFSA/JECFA Comments:
Racemate (EFFA, 2007m).
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:14.161 (Old)
DG SANTE Food Flavourings:14.161 6,7-dihydro-2,5-dimethyl-5H-cyclopentapyrazine
 
Physical Properties:
Assay: 95.00 to 100.00
Food Chemicals Codex Listed: No
Melting Point: 110.00 °C. @ 760.00 mm Hg
Boiling Point: 222.08 °C. @ 760.00 mm Hg (est)
Vapor Pressure:0.154000 mmHg @ 25.00 °C. (est)
Flash Point: 181.00 °F. TCC ( 82.90 °C. ) (est)
logP (o/w): 1.794 (est)
Soluble in:
 water, 719 mg/L @ 25 °C (est)
 
Organoleptic Properties:
Odor Type: burnt
Odor Strength:high ,
recommend smelling in a 0.10 % solution or less
burnt earthy nutty roasted
Odor Description:at 0.10 % in propylene glycol. burnt earthy nutty roasted
Odor and/or flavor descriptions from others (if found).
 
Cosmetic Information:
None found
 
Suppliers:
Penta International
DIMETHYL DIHYDROCYCLOPENTAPYRAZINE
 
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-dimethyl dihydrocyclopentapyrazine usage levels up to:
 not for fragrance use.
 
Maximised Survey-derived Daily Intakes (MSDI-EU): 0.011 (μg/capita/day)
Modified Theoretical Added Maximum Daily Intake (mTAMDI): 400 (μg/person/day)
Threshold of Concern:540 (μg/person/day)
Structure Class: II
 
Food categories according to Commission Regulation EC No. 1565/2000 (EC, 2000) in FGE.06 (EFSA, 2002a). According to the Industry the "normal" use is defined as the average of reported usages and "maximum use" is defined as the 95th percentile of reported usages (EFSA, 2002i).
Note: mg/kg = 0.001/1000 = 0.000001 = 1/1000000 = ppm.
 average usage mg/kgmaximum usage mg/kg
Dairy products, excluding products of category 02.0 (01.0): 0.400002.00000
Fats and oils, and fat emulsions (type water-in-oil) (02.0): 0.100000.50000
Edible ices, including sherbet and sorbet (03.0): 0.400002.00000
Processed fruit (04.1): 0.400002.00000
Processed vegetables (incl. mushrooms & fungi, roots & tubers, pulses and legumes), and nuts & seeds (04.2): --
Confectionery (05.0): 1.000005.00000
Cereals and cereal products, incl. flours & starches from roots & tubers, pulses & legumes, excluding bakery (06.0): 0.200001.00000
Bakery wares (07.0): 2.0000010.00000
Meat and meat products, including poultry and game (08.0): 0.200001.00000
Fish and fish products, including molluscs, crustaceans and echinoderms (MCE) (09.0): 0.200001.00000
Eggs and egg products (10.0): --
Sweeteners, including honey (11.0): --
Salts, spices, soups, sauces, salads, protein products, etc. (12.0): 0.100000.50000
Foodstuffs intended for particular nutritional uses (13.0): 0.200001.00000
Non-alcoholic ("soft") beverages, excl. dairy products (14.1): 0.200001.00000
Alcoholic beverages, incl. alcohol-free and low-alcoholic counterparts (14.2): 1.000005.00000
Ready-to-eat savouries (15.0): 1.000005.00000
Composite foods (e.g. casseroles, meat pies, mincemeat) - foods that could not be placed in categories 01.0 - 15.0 (16.0): 0.200001.00000
 
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

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 ACToR:Toxicology Data
EPA Substance Registry Services (SRS):Registry
Laboratory Chemical Safety Summary :530404
National Institute of Allergy and Infectious Diseases:Data
6,7-dihydro-2,5-dimethyl-5H-cyclopentapyrazine
Chemidplus:0038917612
 
References:
 6,7-dihydro-2,5-dimethyl-5H-cyclopentapyrazine
NIST Chemistry WebBook:Search Inchi
Pubchem (cid):530404
Pubchem (sid):135282282
 
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):HMDB39831
FooDB:FDB019484
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
dipropyl disulfide
FL/FR
balsamic
2-
acetyl furan
FL/FR
caramellic
iso
propenyl pyrazine
FL/FR
chocolate
2,5-
dimethyl pyrazine
FL/FR
2,4,5-
trimethyl thiazole
FL/FR
coffee
cichorium intybus root solid extract
FL/FR
ethereal
acetal
FL/FR
green
2-tert-
butyl pyrazine
FL/FR
geranium thiazole
FL/FR
2-
heptyl furan
FL/FR
mushroom
3-
octen-2-ol
FL/FR
musty
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-3-methyl pyrazine
FL/FR
2-
acetyl-3,5-dimethyl pyrazine
FL/FR
2-
acetyl-3,5(or 6)-dimethyl pyrazine
FL/FR
3,6-
cocoa pyrazine
FL/FR
filbert heptenone
FL/FR
filbert heptenone B
FL/FR
methoxymethyl pyrazine
FL/FR
2-
methyl thio-3,5 or 6-methyl pyrazine
FL/FR
nutty quinoxaline
FL/FR
sesame absolute
FL/FR
vegetable
mesityl oxide
FL/FR
waxy
2-
tridecanone
FL/FR
For Flavor
No flavor group found for these
benzyl disulfide
FL
2-tert-
butyl pyrazine
FL/FR
6,7-
dihydro-2,3-dimethyl-5H-cyclopentapyrazine
FL
dimethyl dihydrocyclopentapyrazine
FL
2,5-
dimethyl pyrazine and 2,6-dimethyl pyrazine mixture
FL
2,5-
dimethyl thiazole
FL
2-
ethoxy-3-isopropyl pyrazine
FL
methyl 2-(methyl thio) acetate
FL
pyrazines mixture
FL
sulfuryl butyrate
FL/FR
sulfuryl decanoate
FL/FR
sulfuryl hexanoate
FL/FR
sulfuryl isobutyrate
FL/FR
5-
acetyl-2,3-dihydro-1,4-thiazine
FL
sulfuryl octanoate
FL/FR
sulfuryl propionate
FL/FR
alliaceous
alliaceous
dipropyl disulfide
FL/FR
burnt
iso
propenyl pyrazine
FL/FR
coffee
cichorium intybus root solid extract
FL/FR
difurfuryl ether
FL
methyl furfuryl thiol
FL
2-
thiophene thiol
FL
fatty
2-
heptyl furan
FL/FR
2-
tridecanone
FL/FR
fishy
4,5-
dimethyl thiazole
FL
fruity
2-
ethyl-2,5-dihydro-4-methyl thiazole
FL
green
dihydroxyacetophenone (mixed isomers)
FL
geranium thiazole
FL/FR
2-
methyl-5-isopropyl pyrazine
FL
mushroom
3-
octen-2-ol
FL/FR
mustard
furfuryl methyl ether
FL
musty
2,5-
dimethyl pyrazine
FL/FR
2-
ethoxythiazole
FL
hazelnut pyrazine
FL/FR
menthofuran
FL/FR
nutty
acetal
FL/FR
2-
acetyl furan
FL/FR
3-
acetyl-2,5-dimethyl furan
FL/FR
3-
acetyl-2,5-dimethyl thiophene
FL
2-
acetyl-3-ethyl pyrazine
FL/FR
2-
acetyl-3-methyl pyrazine
FL/FR
2-
acetyl-3,5-dimethyl pyrazine
FL/FR
2-
acetyl-3,5(or 6)-dimethyl pyrazine
FL/FR
arachis hypogaea fruit extract
FL
2-
butyl-2-butenal
FL
3,5(6)-
cocoa pyrazine
FL
3,6-
cocoa pyrazine
FL/FR
1-
ethyl-2-acetyl pyrrole
FL
filbert heptenone
FL/FR
filbert heptenone B
FL/FR
methoxymethyl pyrazine
FL/FR
2-
methyl thio-3,5 or 6-methyl pyrazine
FL/FR
nutty quinoxaline
FL/FR
nutty thiazole
FL
sesame absolute
FL/FR
2,4,5-
trimethyl thiazole
FL/FR
potato
mesityl oxide
FL/FR
roasted
3,5-
diisobutyl-1,2,4-trithiolane
FL
solvent
methyl phenyl sulfide
FL
sulfurous
diphenyl disulfide
FL
2-
thienyl mercaptan
FL
 
Potential Uses:
FLchocolate
FLcoffee
FLmeat
FLnut
 
Occurrence (nature, food, other):note
 beef cooked beef
Search PMC Picture
 cocoa butter
Search Trop Picture
 coffee - up to 5.1 mg/kg
Search PMC Picture
 cyperus esculentus roasted
Search Trop Picture
 filbert roasted filbert
Search Trop Picture
 pork - up to 0.0001 mg/kg
Search PMC Picture
 pork cooked pork
Search PMC Picture
 
Synonyms:
6,7-dihydro-2,5-dimethyl-5H-cyclopentapyrazine
6,7-dimethyldihydrocyclopentapyrazine
 
 
Notes:
Maillard product. Present in roasted Earth almond (Cyperus esculentus), fermented wild rice (Zizania aquatica), cooked pork, cooked beef, roasted filberts, coffee and cocoa butter
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