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2-methyl-3-ethoxypyrazine

Chemical Structure

General Material Information

Preferred name 2-methyl-3-ethoxypyrazine
Trivial Name 2-Ethoxy-3-methylpyrazine
Short Description 2-ethoxy-3-methylpyrazine
Formula C7 H10 N2 O
CAS Number 32737-14-7
FEMA Number 3569
Flavis Number 14.067
Flavis Number 14.109
ECHA Number 251-184-6
FDA UNII P35895BBAF
Nikkaji Number J208.724C
MDL MFCD00038025
COE Number 11921
NMR Predictor External link
JECFA Food Flavoring 793 2-methyl-3-ethoxypyrazine
FDA Patent No longer provide for the use of these seven synthetic flavoring substances
FDA Mainterm 977044-46-4 ; 2-METHYL-(3 OR 5 OR 6)-ETHOXYPYRAZIN
Synonyms
  • 2-ethoxy 3-methyl pyrazine
  • 3-ethoxy-2-methyl pyrazine
  • 3-ethoxy-2-methylpyrazine
  • 2-ethoxy-3-methyl pyrazine
  • 2-ethoxy-3-methyl-pyrazine
  • 2-ethoxy-3-methylpyrazine
  • 2-ethoxy-3-methylpyrazine >97.0%(gc)
  • 2-ethoxy-3-methypyrazine
  • 2-ethoxyl-3-methylpyrazine
  • hazelnut ethoxypyrazine
  • pyrazine, 2-ethoxy-3-methyl-
  • 2-Ethoxy-3-methylpyrazine

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

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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):HMDB31850
FooDB:FDB008534
Export Tariff Code:2933.99.8090
ChemSpider:View

PhysChem Properties

Material listed in food chemical codex No
Molecular weight 138.16990661621
Specific gravity @ 20 °C
Pounds per Gallon 8.622 to 8.656
Refractive Index 1.493 to 1.497 @ 20 °C
Boiling Point 180 to 181°C @ 760 mm Hg
Vapor Pressure 1.167 mmHg @ 25 °C
Flash Point TCC Value 65.56 °C TCC
logP (o/w) 1.82
Solubility
alcohol Yes
water, 2378 mg/L @ 25 °C (est) Yes
water No

Organoleptic Properties

Odor Type: Nutty
hazelnut, almond roasted almond, pineapple, earthy
General comment At 0.10 % in dipropylene glycol. hazelnut roasted almonds pineapple earthy

Potential Uses

Applications
Odor purposes Earth
Flavoring purposes Almond toasted almond, Hazelnut, Nut, Pineapple

Safety Information

Safety information

Preferred SDS: View
European information :
Most important hazard(s):
Xi - Irritant
R 36/37/38 - Irritating to eyes, respiratory system, and skin.
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 37/39 - Wear suitable gloves and eye/face protection.
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-methyl-3-ethoxypyrazine usage levels up to:
0.2000 % in the fragrance concentrate.
Maximised Survey-derived Daily Intakes (MSDI-EU): 0.012 (μg/capita/day)
Threshold of Concern:90 (μg/person/day)
Structure Class: III
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: 11
Click here to view publication 11
average usual ppmaverage maximum ppm
baked goods: --
beverages(nonalcoholic): -0.50000
beverages(alcoholic): --
breakfast cereal: --
cheese: --
chewing gum: --
condiments / relishes: --
confectionery froastings: -2.00000
egg products: --
fats / oils: --
fish products: --
frozen dairy: -0.50000
fruit ices: --
gelatins / puddings: -3.00000
granulated sugar: --
gravies: --
hard candy: --
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):

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
AIDS Citations:Search
Cancer Citations:Search
Toxicology Citations:Search
EPA Substance Registry Services (TSCA):32737-14-7
EPA ACToR:Toxicology Data
EPA Substance Registry Services (SRS):Registry
Laboratory Chemical Safety Summary :122941
National Institute of Allergy and Infectious Diseases:Data
WGK Germany:3
2-ethoxy-3-methylpyrazine
Chemidplus:0032737147