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2,5-dimethyl pyrazine and 2,6-dimethyl pyrazine mixture

Chemical Structure

General Material Information

Preferred name 2,5-dimethyl pyrazine and 2,6-dimethyl pyrazine mixture
Trivial Name 2,5-Dimethylpyrazine
Short Description 2,5-dimethylpyrazine and 2,6-dimethylpyrazine mixture
Formula C6 H8 N2
CAS Number 123-32-0
FEMA Number 3272
ECHA Number 204-618-3
FDA UNII V99Y0MUY1Q
Nikkaji Number J2.009E
Beilstein Number 0107052
MDL MFCD00006147
COE Number 2210
NMR Predictor External link
JECFA Food Flavoring 766 2,5-dimethylpyrazine
FDA Patent No longer provide for the use of these seven synthetic flavoring substances
Synonyms
  • 2 (5,6)- dimethyl pyrazine
  • 2,6-dimethyl pyrazine and 2,5-dimethyl pyrazine mixture
  • 2,5 & 2,6-dimethyl pyrazine mixture
  • 2,5 & 2,6-dimethyl pyrazine mixture natural
  • 2,5-dimethylpyrazine (contains 2,6-isomer)
  • 2,6-dimethylpyrazine and 2,5-dimethylpyrazine mixture
  • 2,5-dimethylpyrazine and 2,6-dimethylpyrazine
  • 2,5-dimethylpyrazine and 2,6-dimethylpyrazine mixture
  • 2,5(2,6)- dimethylpyrazine mixture
  • Pyrazine, 2,5-dimethyl-
  • 2,5-Dimethylpyrazine
  • NSC 49139

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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
CHEMBL:View
HMDB (The Human Metabolome Database):HMDB35289
FooDB:FDB013954
VCF-Online:VCF Volatile Compounds in Food
ChemSpider:View

PhysChem Properties

Material listed in food chemical codex No
Molecular weight 108.14376068115
Vapor Pressure 1.5 mmHg @ 27 °C
Flash Point TCC Value 63.9 °C TCC
logP (o/w) 0.63
Solubility
alcohol Yes
water No

Organoleptic Properties

Odor Type: Chocolate
nutty, roasted, potato baked potato
General comment At 0.10 % in dipropylene glycol. nutty roasted baked potato

Occurrences

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:
intraperitoneal-mouse LD50 1350 mg/kg
Toxicology and Applied Pharmacology. Vol. 17, Pg. 244, 1970.

oral-rat LD50 1020 mg/kg
Drug and Chemical Toxicology. Vol. 3, Pg. 249, 1980.

Dermal Toxicity:
Not determined
Inhalation Toxicity:
Not determined

Safety in use information

Category:
flavoring agents
Recommendation for 2,5-dimethyl pyrazine and 2,6-dimethyl pyrazine mixture usage levels up to:
not for fragrance use.
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: 5
Click here to view publication 5
average usual ppmaverage maximum ppm
baked goods: -10.00000
beverages(nonalcoholic): -10.00000
beverages(alcoholic): --
breakfast cereal: -10.00000
cheese: --
chewing gum: --
condiments / relishes: --
confectionery froastings: --
egg products: --
fats / oils: --
fish products: --
frozen dairy: -10.00000
fruit ices: -10.00000
gelatins / puddings: -10.00000
granulated sugar: --
gravies: -10.00000
hard candy: -10.00000
imitation dairy: --
instant coffee / tea: --
jams / jellies: --
meat products: -10.00000
milk products: -10.00000
nut products: --
other grains: --
poultry: --
processed fruits: --
processed vegetables: --
reconstituted vegetables: --
seasonings / flavors: --
snack foods: --
soft candy: --
soups: -10.00000
sugar substitutes: --
sweet sauces: --

Safety references

Chemical Carcinogenesis Research Information System:Search
AIDS Citations:Search
Cancer Citations:Search
Toxicology Citations:Search
EPA Substance Registry Services (TSCA):123-32-0
EPA ACToR:Toxicology Data
EPA Substance Registry Services (SRS):Registry
Laboratory Chemical Safety Summary :31252
National Institute of Allergy and Infectious Diseases:Data
2,5-dimethylpyrazine
Chemidplus:0000123320
RTECS:UQ2800000 for cas# 123-32-0