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2-isobutyl-3-methyl pyrazine

Chemical Structure

General Material Information

Preferred name 2-isobutyl-3-methyl pyrazine
Trivial Name 2-Isobutyl-3-methylpyrazine
Short Description 2-isobutyl-3-methylpyrazine
Formula C9 H14 N2
CAS Number 13925-06-9
FEMA Number 3133
Flavis Number 14.044
ECHA Number 237-693-6
FDA UNII 11EP4V0M9Z
Nikkaji Number J149.483J
MDL MFCD00059770
Bio Activity Summary External link
NMR Predictor External link
JECFA Food Flavoring 773 2-isobutyl-3-methylpyrazine
FDA Patent No longer provide for the use of these seven synthetic flavoring substances
FDA Mainterm 13925-06-9 ; 2-ISOBUTYL-3-METHYLPYRAZINE
Synonyms
  • 2-iso butyl-3-methyl-1,4-diazine
  • 2-iso butyl-3-methyl-pyrazine
  • 2-iso butyl-3-methylpyrazine
  • 2-methyl-3-(2-methyl propyl) pyrazine
  • 2-methyl-3-(2-methylpropyl)pyrazine
  • 2-methyl-3-isobutyl pyrazine
  • 2-methyl-3-isobutylpyrazine
  • 2-(2-methylpropyl)-3-methylpyrazine
  • pyrazine, 2-isobutyl-3-methyl-
  • pyrazine, 2-methyl-3-(2-methylpropyl)-
  • 2-methyl-3-(2-methylpropyl)pyrazine
  • 2-Methyl-3-isobutylpyrazine
  • 2-Isobutyl-3-methylpyrazine

US / EU / FDA / JECFA / FEMA / Scholar / Patents

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Literature & References

2-methyl-3-(2-methylpropyl)pyrazine
NIST Chemistry WebBook:Search Inchi
Canada Domestic Sub. List:13925-06-9
Pubchem (cid):26333
Pubchem (sid):134990416
Publications by US Patents
3,952,024 - Furfurylthioacetone
Certain 2,5-dimethyl-3-thiopyrazines

Other Information

(IUPAC):Atomic Weights of the Elements 2011 (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
CHEMBL:View
HMDB (The Human Metabolome Database):HMDB36174
FooDB:FDB015028
Export Tariff Code:2933.59.8000
VCF-Online:VCF Volatile Compounds in Food
ChemSpider:View

PhysChem Properties

Material listed in food chemical codex No
Molecular weight 150.22457885742
Boiling Point 199 to 201°C @ 760 mm Hg
Vapor Pressure 0.302 mmHg @ 25 °C
Flash Point TCC Value 82.22 °C TCC
logP (o/w) 1.96
Solubility
alcohol Yes
water, 1604 mg/L @ 25 °C (est) Yes

Organoleptic Properties

Odor Type: Caramellic
herbal, green, sugar
General comment At 0.10 % in dipropylene glycol. herbal green sugar syrup
Flavor Type: Green
green, vegetable
General comment Green vegetable

Occurrences

Potential Uses

Applications
Odor purposes Coffee, Green
Flavoring purposes Bacon, Meat, Potato, Tropical

Safety Information

Safety information

Preferred SDS: View
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:
flavor and fragrance agents
RIFM Fragrance Material Safety Assessment: Search
IFRA Code of Practice Notification of the 49th Amendment to the IFRA Code of Practice
Recommendation for 2-isobutyl-3-methyl pyrazine usage levels up to:
0.5000 % in the fragrance concentrate.
Maximised Survey-derived Daily Intakes (MSDI-EU): 0.037 (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: 4
Click here to view publication 4
average usual ppmaverage maximum ppm
baked goods: -5.00000
beverages(nonalcoholic): -5.00000
beverages(alcoholic): --
breakfast cereal: --
cheese: --
chewing gum: --
condiments / relishes: --
confectionery froastings: --
egg products: --
fats / oils: --
fish products: --
frozen dairy: -5.00000
fruit ices: -5.00000
gelatins / puddings: -5.00000
granulated sugar: --
gravies: --
hard candy: -5.00000
imitation dairy: --
instant coffee / tea: --
jams / jellies: --
meat products: --
milk products: --
nut products: --
other grains: --
poultry: --
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
AIDS Citations:Search
Cancer Citations:Search
Toxicology Citations:Search
EPA Substance Registry Services (TSCA):13925-06-9
EPA ACToR:Toxicology Data
EPA Substance Registry Services (SRS):Registry
Laboratory Chemical Safety Summary :26333
National Institute of Allergy and Infectious Diseases:Data
WGK Germany:3
2-methyl-3-(2-methylpropyl)pyrazine
Chemidplus:0013925069