2-methoxy-3-propyl pyrazine
pyrazine, 2-methoxy-3-propyl-
 
Notes:
None found
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    • Frutarom Ltd
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      11628 2-METHOXY-3-PROPYL PYRAZINE
       
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    • Pyrazine Specialties, Inc.
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      First in pyazines for the food, perfume, and pharmaceutical industry.
      Pyrazine Specialties, Incorporated began almost 40 years ago in a modest little building near the Georgia Tech campus. Today, Pyrazine Specialties is looking to expand its facilities as well as significantly increase our product line.
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      Product(s):
      8230P 2-Methoxy-3-n-Propylpyrazine
       
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2-methoxy-3-propylpyrazine (Click)
CAS Number: 25680-57-3Picture of molecule
XlogP3: 2.20 (est)
Molecular Weight: 152.19684000
Formula: C8 H12 N2 O
NMR Predictor: Predict (works with chrome or firefox)
Category: flavoring agents
 
US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information:
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Flavis Number: 14.127 (Old)
DG SANTE Food Flavourings: 14.127  2-methoxy-3-propylpyrazine
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Physical Properties:
Assay: 95.00 to 100.00 % 
Food Chemicals Codex Listed: No
Melting Point: 111.00 °C. @ 760.00 mm Hg
Boiling Point: 196.00 to  197.00 °C. @ 760.00 mm Hg (est)
Boiling Point: 271.00 °C. @ 760.00 mm Hg
Vapor Pressure: 0.558000 mm/Hg @ 25.00 °C. (est)
Flash Point: 158.00 °F. TCC ( 69.80 °C. ) (est)
logP (o/w): 2.194 (est)
Soluble in:
 alcohol
 water, slightly
 water, 604.6 mg/L @ 25 °C (est)
Insoluble in:
 water
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Organoleptic Properties:
Odor Type: earthy
Odor Strength: high ,
recommend smelling in a 0.10 % solution or less
 earthy  pepper bell pepper  potato raw potato  galbanum  
Odor Description:
at 0.10 % in dipropylene glycol. 
earthy bell pepper raw potato galbanum
  
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Cosmetic Information:
None found
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Suppliers:
Frutarom
2-METHOXY-3-PROPYL PYRAZINE
Pyrazine Specialties
2-Methoxy-3-n-Propylpyrazine
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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
 
Pictogram
 
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: flavoring agents
Recommendation for 2-methoxy-3-propyl pyrazine usage levels up to:
 not for fragrance use.
 
Maximised Survey-derived Daily Intakes (MSDI-EU): 0.061 (μg/capita/day)
Modified Theoretical Added Maximum Daily Intake (mTAMDI): 270 (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): 1.000005.00000
Meat and meat products, including poultry and game (08.0): 0.100000.40000
Fish and fish products, including molluscs, crustaceans and echinoderms (MCE) (09.0): 0.100000.40000
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
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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)
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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
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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 : 528308
National Institute of Allergy and Infectious Diseases: Data
 2-methoxy-3-propylpyrazine
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References:
 2-methoxy-3-propylpyrazine
NIST Chemistry WebBook: Search Inchi
Pubchem (cid): 528308
Pubchem (sid): 125760971
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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
CHEMBL: View
HMDB (The Human Metabolome Database): Search
VCF-Online: VCF Volatile Compounds in Food
ChemSpider: View
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Potential Blenders and core components note
 
For Odor
balsamic
balsamic
 bornyl formateFL/FR
 cotinus coggygria branch/leaf oilFL/FR
chocolate
 cocoa hexenalFL/FR
citrus
(E)-2-tetradecenalFL/FR
coconut
delta-heptalactoneFL/FR
earthy
2-ethyl-3-methoxypyrazineFL/FR
1-nonen-3-olFL/FR
 nutty pyrazineFL/FR
1-octen-3-olFL/FR
floral
 linalool oxideFL/FR
 octyl acetateFL/FR
2-phenyl propyl acetateFL/FR
fresh
 sorbyl isobutyrateFL/FR
fruity
 allyl amyl glycolateFR
 amyl formateFL/FR
 fleuramone (IFF)FR
2-pentyl furanFL/FR
 rhubarb undecaneFR
 tropical trithianeFL/FR
green
S-sec-butyl thioisovalerateFL/FR
2-sec-butyl-3-methoxypyrazineFL/FR
2-isobutyl-3-methoxypyrazineFL/FR
 cortex pyridineFL/FR
 fern absolute 
 galbanum decatrieneFL/FR
 galbanum oleoresinFL/FR
 galbanum oxyacetateFR
 galbanum resinoidFL/FR
 galbascone (IFF)FR
 geranium absoluteFL/FR
(Z)-3-hexen-1-yl tiglateFL/FR
 leafy oximeFR
(E,Z)-3,6-nonadien-1-olFL/FR
1-phenyl-2-pentanolFL/FR
 pineapple heptadienone 10%FR
isopropyl 3-methyl thiocrotonateFL/FR
isopropyl thioisovalerateFL/FR
 violet dienyneFR
herbal
6-hydroxydihydrotheaspirane (mixture of isomers)FL/FR
nutty
2-acetyl-3-ethyl pyrazineFL/FR
3,6-cocoa pyrazineFL/FR
 shoyu pyrazineFL/FR
tropical
cis-galbanum oxathianeFL/FR
2-tropical oxathianeFL/FR
vegetable
 methionalFL/FR
waxy
 octyl isobutyrateFL/FR
 
For Flavor
 
No flavor group found for these
 benzyl disulfideFL
 bornyl formateFL/FR
S-sec-butyl thioisovalerateFL/FR
2-sec-butyl-3-methoxypyrazineFL/FR
 cotinus coggygria branch/leaf oilFL/FR
2-ethyl-3-methoxypyrazineFL/FR
 fern absolute 
 green pea pyrazineFL
delta-heptalactoneFL/FR
 methyl 2-(methyl thio) acetateFL
4-(methyl thio) butanolFL
 octyl acetateFL/FR
2-phenyl propyl acetateFL/FR
isopropyl 3-methyl thiocrotonateFL/FR
isopropyl thioisovalerateFL/FR
2-tropical oxathianeFL/FR
alliaceous
3-mercapto-2-pentanoneFL
2-methyl thioacetaldehydeFL
camphoreous
6-hydroxydihydrotheaspirane (mixture of isomers)FL/FR
cinnamon
 sorbyl isobutyrateFL/FR
cocoa
 cocoa hexenalFL/FR
creamy
 octyl isobutyrateFL/FR
dairy
dextro,laevo-3-(methyl thio) butanoneFL
earthy
1-nonen-3-olFL/FR
fruity
 amyl formateFL/FR
1-phenyl-2-pentanolFL/FR
 tropical trithianeFL/FR
green
2-isobutyl-3-methoxypyrazineFL/FR
 cortex pyridineFL/FR
 galbanum decatrieneFL/FR
 galbanum oleoresinFL/FR
cis-galbanum oxathianeFL/FR
 galbanum resinoidFL/FR
 geranium absoluteFL/FR
(Z)-3-hexen-1-yl tiglateFL/FR
 linalool oxideFL/FR
(E,Z)-3,6-nonadien-1-olFL/FR
2-pentyl furanFL/FR
 potato butyraldehydeFL
 propylene glycol acetone ketalFL
mushroom
1-octen-3-olFL/FR
musty
 shoyu pyrazineFL/FR
nutty
2-acetyl-3-ethyl pyrazineFL/FR
3,6-cocoa pyrazineFL/FR
2-ethyl-6-methyl pyrazineFL
 nutty pyrazineFL/FR
sulfurous
 potato butanoneFL
tomato
 methionalFL/FR
waxy
(E)-2-tetradecenalFL/FR
winey
5-ethyl-2-methyl pyridineFL
 
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Potential Uses:
 earth humus 
 galbanumFL/FR
 pepper greenFL
 potatoFL
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Natural Occurrence in: note
 found in nature
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Synonyms:
2-methoxy-3-N-propylpyrazine
2-methoxy-3-propyl-pyrazine
2-methoxy-3-propylpyrazine
 pyrazine, 2-methoxy-3-propyl-
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