green pea pyrazine
2-methoxy-(3,5 or 6)-isopropylpyrazine
 
Notes:
Used as a food additive [EAFUS]
  • Frutarom
    • Frutarom Ltd
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      At Frutarom, we take pride in our expertise and knowledge of Flavour & Fragrance Ingredients and our thorough understanding of the needs of Flavourists, Perfumers and Food Technologists. Working closely with our customers we have a strong track record of providing unique solutions to fulfil requirements.
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      Product(s):
      M0275-0 2-METHOXY-3,5(6)-ISOPROPYL PYRAZINE
       
  • Jiangyin Healthway
    • Jiangyin Healthway International Trade Co.
      Independent Ingredients Supplier
      We provide custom synthesis and contract manufacturing from milligrams to metric tonnes.
      Jiangyin Healthway International Trade Co., Ltd is a professional company, main engaged in manufacturing and exporting aroma chemicals ,food additives , cosmetic ingredient ,pharmaceutical intermediates & other fine chemicals; especially on aroma chemicals , as the major manufacturer of heterocyclic and sulphur aroma compounds , we are the leading independent ingredients supplier to the flavour and fragrance industries in China, can offer hundreds of different high quality aroma chemicals.
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      Product(s):
      2-Methoxy-3,5(6)-isopropyl pyrazine
       
  • Pell Wall Perfumes
    • Pell Wall Perfumes
      Hand-made fragrances
      Pell Wall maintains a broad palette of ingredients & in order to keep stocks fresh & the options wide we also sell from our own stock.
      Pell Wall was founded by perfumer Chris Bartlett to provide exclusive hand-made fragrances to a select few people who love them. All our products are created using fine quality ingredients, many of which we also offer for sale to other perfumers and enthusiasts. Pell Wall make fragrances for men, for women and for the home. If you’re looking for something even more exclusive our bespoke fragrance design service could be what you’re looking for: we design custom fragrances for individuals, other perfume brands, hotels, corporations and organisations.
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      Product(s):
      Green Pea Pyrazine
      Besides peppers and beans, this pyrazine, which consists of a mixture of isomers, occurs naturally in potatoes and a number of other vegetables and also has a raw-potato, earthy quality. Even at 0.1% this is a very powerful material that can easily dominate your blend, so use with caution in any blend where an original green-note is desired, or to add realism to galbanum, tomato and other green or fruity accords.
       
       
  • 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.
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      Product(s):
      09-55150 ISOPROPYL METHOXY PYRAZINE, Kosher
       
  • Sigma-Aldrich
    • Sigma-Aldrich
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      Sigma-Aldrich is a leading Life Science and High Technology company dedicated to providing high-quality, safe and certified flavor ingredients with transparent and easily accessible documentation to customers around the globe. Sigma-Aldrich also provides a suite of analytical tools that allow food analysts to simplify sample preparation, cleanup and analysis steps, while increasing sensitivity to trace ingredients and harmful substances to meet regulations and quality standards.
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      Certified Food Grade Products
      Product(s):
      W335809 2-Methoxy-3(5 or 6)-isopropylpyrazine, ≥98%, FG
      SDS
       
Synonyms   Articles   Notes   Search
2-methoxy-3-propan-2-ylpyrazine;2-methoxy-5-propan-2-ylpyrazine;2-methoxy-6-propan-2-ylpyrazine (Click)
CAS Number: 93905-03-4Picture of molecule
ECHA EINECS - REACH Pre-Reg: 299-837-4
FDA UNII: C90S36R5GY
MDL: MFCD00053106
CoE Number: 11344
XlogP3: 2.00 (est)
Molecular Weight: 456.59052000
Formula: C24 H36 N6 O3
NMR Predictor: Predict (works with chrome or firefox)
Also(can) Contains: bean pyrazine
EFSA/JECFA Comments: Mixture of positional isomers (2-Isopropyl-3/5/6-methoxy), 2-3- (75-85 %); 2-5- (15-25 %) and 2-6-isomers (1-2 %) (sum 97 %) (EFFA, 2010a).
Category: flavoring agents
 
US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information:
Google Scholar: Search
Google Books: Search
Google Scholar: with word "volatile"Search
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Perfumer and Flavorist: Search
Google Patents: Search
US Patents: Search
EU Patents: Search
IBM Patents: Obtain
Pubchem Patents: Search
PubMed: Search
NCBI: Search
JECFA Food Flavoring: 790  2-methoxy-(3,5 or 6)-isopropylpyrazine
Flavis Number: 14.121 (Old)
DG SANTE Food Flavourings: 14.121  2-isopropyl-(3,5 or 6)-methoxypyrazine
FEMA Number: 3358  2-methoxy-(3,5 or 6)-isopropylpyrazine
FDA Mainterm: 2-METHOXY-(3 OR 5 OR 6)-ISOPROPYLPYRAZINE
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Physical Properties:
Appearance: colorless clear liquid (est)
Assay: 97.00 to 100.00 % 
Food Chemicals Codex Listed: No
Specific Gravity: 0.99600 @  25.00 °C.
Boiling Point: 205.00 to  207.00 °C. @ 760.00 mm Hg
Vapor Pressure: 0.360000 mm/Hg @ 25.00 °C. (est)
Flash Point: 152.00 °F. TCC ( 66.67 °C. )
logP (o/w): 2.160 (est)
Soluble in:
 alcohol
 water, 698.6 mg/L @ 25 °C (est)
Stability:
 stable in most media
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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  pea green pea  
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-3,5(6)-ISOPROPYL PYRAZINE
Jiangyin Healthway
2-Methoxy-3,5(6)-isopropyl pyrazine
New functional food ingredients
Pell Wall Perfumes
Green Pea Pyrazine
Odor: Bell-pepper, earthy, green-pea, raw potato
Use: Besides peppers and beans, this pyrazine, which consists of a mixture of isomers, occurs naturally in potatoes and a number of other vegetables and also has a raw-potato, earthy quality. Even at 0.1% this is a very powerful material that can easily dominate your blend, so use with caution in any blend where an original green-note is desired, or to add realism to galbanum, tomato and other green or fruity accords.
Penta International
ISOPROPYL METHOXY PYRAZINE, Kosher
Sigma-Aldrich
2-Methoxy-3(5 or 6)-isopropylpyrazine, ≥98%, FG
Certified Food Grade Products
Tengzhou Jitian Aroma Chemiclal
2-Methoxy -3(5/6) - isopropyl pyrazine
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Safety Information:
Preferred SDS: View
European information :
Most important hazard(s):
Xi - Irritant
R 36/38 - Irritating to skin and eyes.
S 02 - Keep out of the reach of children.
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 36 - Wear suitable protective clothing.
 
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  880 mg/kg
(Moran et al., 1980)

Dermal Toxicity:
Not determined
Inhalation Toxicity:
Not determined
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Safety in Use Information:
Category: flavoring agents
Recommendation for green pea pyrazine usage levels up to:
 not for fragrance use.
 
Maximised Survey-derived Daily Intakes (MSDI-EU): 0.0012 (μg/capita/day)
Maximised Survey-derived Daily Intakes (MSDI-USA): 0.10 (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: 6
Click here to view publication 6
 average usual ppmaverage maximum ppm
baked goods: --
beverages(nonalcoholic): --
beverages(alcoholic): --
breakfast cereal: --
cheese: --
chewing gum: --
condiments / relishes: -0.02000
confectionery froastings: --
egg products: --
fats / oils: --
fish products: --
frozen dairy: --
fruit ices: --
gelatins / puddings: -0.05000
granulated sugar: --
gravies: -0.20000
hard candy: --
imitation dairy: --
instant coffee / tea: --
jams / jellies: --
meat products: -0.20000
milk products: --
nut products: --
other grains: --
poultry: --
processed fruits: --
processed vegetables: --
reconstituted vegetables: --
seasonings / flavors: --
snack foods: --
soft candy: --
soups: -0.20000
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):
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 : 71311442
National Institute of Allergy and Infectious Diseases: Data
WGK Germany: 3
 2-methoxy-3-propan-2-ylpyrazine;2-methoxy-5-propan-2-ylpyrazine;2-methoxy-6-propan-2-ylpyrazine
Chemidplus: 0093905034
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References:
 2-methoxy-3-propan-2-ylpyrazine;2-methoxy-5-propan-2-ylpyrazine;2-methoxy-6-propan-2-ylpyrazine
NIST Chemistry WebBook: Search Inchi
Pubchem (cid): 71311442
Pubchem (sid): 162244287
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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
FDA Everything Added to Food in the United States (EAFUS): View
CHEMBL: View
HMDB (The Human Metabolome Database): HMDB32381
FooDB: FDB009800
Export Tariff Code: 2933.90.0000
VCF-Online: VCF Volatile Compounds in Food
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
balsamic
balsamic
 bornyl formateFL/FR
chocolate
 cocoa hexenalFL/FR
citrus
(E)-2-tetradecenalFL/FR
coconut
delta-heptalactoneFL/FR
earthy
 bean pyrazineFL/FR
2-ethyl-3-methoxypyrazineFL/FR
1-nonen-3-olFL/FR
 nutty pyrazineFL/FR
1-octen-3-olFL/FR
floral
 geranyl isobutyrateFL/FR
 hexyl 2-furoateFL/FR
 linalool oxideFL/FR
 octyl acetateFL/FR
2-phenyl propyl acetateFL/FR
fruity
 amyl formateFL/FR
isobutyl hexanoateFL/FR
 butyl isovalerateFL/FR
 ethyl 2-cyclohexyl propionateFR
2-pentyl furanFL/FR
 propyl 2,4-decadienoateFL/FR
 tropical trithianeFL/FR
green
2-isobutyl-3-methoxypyrazineFL/FR
2-sec-butyl-3-methoxypyrazineFL/FR
 cortex pyridineFL/FR
 fern absolute 
 galbanum decatrieneFL/FR
 galbanum oleoresinFL/FR
 galbanum resinoidFL/FR
 geranium absoluteFL/FR
2-heptyl tetrahydrofuranFR
(Z)-3-hexen-1-yl propionateFL/FR
(Z)-3-hexen-1-yl tiglateFL/FR
(E,Z)-3,6-nonadien-1-olFL/FR
1-phenyl-2-pentanolFL/FR
herbal
6-hydroxydihydrotheaspirane (mixture of isomers)FL/FR
nutty
2-acetyl-3-ethyl pyrazineFL/FR
3,6-cocoa pyrazineFL/FR
 shoyu pyrazineFL/FR
tropical
 ethyl (Z)-3-hexenoateFL/FR
vegetable
 methionalFL/FR
waxy
 octyl isobutyrateFL/FR
 
For Flavor
 
No flavor group found for these
 bean pyrazineFL/FR
 benzyl disulfideFL
 bornyl formateFL/FR
2-sec-butyl-3-methoxypyrazineFL/FR
 ethyl (Z)-3-hexenoateFL/FR
2-ethyl-3-methoxypyrazineFL/FR
 fern absolute 
delta-heptalactoneFL/FR
2-methoxy-3-propyl pyrazineFL
 methyl 2-(methyl thio) acetateFL
4-(methyl thio) butanolFL
 octyl acetateFL/FR
2-phenyl propyl acetateFL/FR
alliaceous
3-mercapto-2-pentanoneFL
2-methyl thioacetaldehydeFL
camphoreous
6-hydroxydihydrotheaspirane (mixture of isomers)FL/FR
cocoa
 cocoa hexenalFL/FR
creamy
 octyl isobutyrateFL/FR
dairy
dextro,laevo-3-(methyl thio) butanoneFL
earthy
1-nonen-3-olFL/FR
floral
 geranyl isobutyrateFL/FR
fruity
 amyl formateFL/FR
isobutyl hexanoateFL/FR
 butyl isovalerateFL/FR
1-phenyl-2-pentanolFL/FR
 tropical trithianeFL/FR
green
2-isobutyl-3-methoxypyrazineFL/FR
 cortex pyridineFL/FR
 galbanum decatrieneFL/FR
 galbanum oleoresinFL/FR
 galbanum resinoidFL/FR
 geranium absoluteFL/FR
(Z)-3-hexen-1-yl propionateFL/FR
(Z)-3-hexen-1-yl tiglateFL/FR
 hexyl 2-furoateFL/FR
 linalool oxideFL/FR
(E,Z)-3,6-nonadien-1-olFL/FR
2-pentyl furanFL/FR
 potato butyraldehydeFL
 propylene glycol acetone ketalFL
melon
 propyl 2,4-decadienoateFL/FR
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
 krill 
 pepper greenFL
 potatoFL
 tomatoFL
 vegetable 
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Occurrence (nature, food, other): note
 pea green pea
Search  Picture
 potato
Search  Picture
 vegetables
Search  Picture
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Synonyms:
2-methoxy-(3,5 or 6)-isopropylpyrazine
2-methoxy-3-propan-2-ylpyrazine;2-methoxy-5-propan-2-ylpyrazine;2-methoxy-6-propan-2-ylpyrazine
2-methoxy-3,5(6)-isopropyl pyrazine
2-methoxy-3(5 or 6)-isopropylpyrazine
isopropyl methoxy pyrazine
isopropyl methoxypyrazine
isopropyl methylpyrazine
2-isopropyl-(3,5 or 6)-methoxypyrazine
2-3,(5 or 6)-isopropyl-2-methoxypyrazine
2-isopropyl-3,(5 or 6)-methoxypyrazine
2-isopropyl-3,5 or 6-methoxypyrazine
isopropylmethoxypyrazine
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Articles:
PubMed: Application of plastic polymers in remediating wine with elevated alkyl-methoxypyrazine levels.
PubMed: Methoxypyrazine analysis and influence of viticultural and enological procedures on their levels in grapes, musts, and wines.
PubMed: Development of a rapid method for the quantitative analysis of four methoxypyrazines in white and red wine using multi-dimensional Gas Chromatography-Mass Spectrometry.
PubMed: Occurrence and contribution of alkyl methoxypyrazines in wine tainted by Harmonia axyridis and Coccinella septempunctata.
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