ChemicalBook Product Catalog Pharmaceutical intermediates Heterocyclic compound Pyrazines 2-ISOBUTYL-3-METHYLPYRAZINE

2-ISOBUTYL-3-METHYLPYRAZINE

2-ISOBUTYL-3-METHYLPYRAZINE Basic information
Product Name:2-ISOBUTYL-3-METHYLPYRAZINE
Synonyms:FEMA NUMBER 3133;FEMA 3133;2-ISOBUTYL-3-METHYLPYRAZINE;2-METHYL-3-ISOBUTYLPYRAZINE;2-methyl-3-(2-methylpropyl)-pyrazin;2-methyl-3-(2-methylpropyl)-Pyrazine;3-[[4-(3-formylphenoxy)-3,4-dimethyl-1-cyclohexa-1,5-dienyl]oxy]benzaldehyde;2-Isobutyl-3-isopropyl pyrazine
CAS:13925-06-9
MF:C9H14N2
MW:150.22
EINECS:237-693-6
Product Categories:Mono- & Polyalkylpyrazines;Pyrazines;Alphabetical Listings;Flavors and Fragrances;I-L
Mol File:13925-06-9.mol
2-ISOBUTYL-3-METHYLPYRAZINE Structure
2-ISOBUTYL-3-METHYLPYRAZINE Chemical Properties
Melting point 74 °C
Boiling point 199 °C(lit.)
density 0.942 g/mL at 25 °C(lit.)
refractive index n20/D 1.492(lit.)
FEMA 3133 | 2-ISOBUTYL-3-METHYLPYRAZINE
Fp 180 °F
storage temp. Sealed in dry,Room Temperature
form clear liquid
pka1.88±0.10(Predicted)
color Colorless to Orange to Green
Odorat 0.10 % in dipropylene glycol. herbal green sugar syrup
Odor Typecaramellic
JECFA Number773
LogP1.96
CAS DataBase Reference13925-06-9(CAS DataBase Reference)
EPA Substance Registry SystemPyrazine, 2-methyl-3-(2-methylpropyl)- (13925-06-9)
Safety Information
Safety Statements 24/25
WGK Germany 3
HS Code 29349990
MSDS Information
ProviderLanguage
SigmaAldrich English
2-ISOBUTYL-3-METHYLPYRAZINE Usage And Synthesis
DescriptionSynthesis: By condensation of ethylenediamine with 5-methyl- 2,3-hexanedione.
Chemical Properties2-Isobutyl-3-methylpyrazine has extremely powerful herbaceous green earthy notes. Diluted water solutions exhibit a characteristic odor of green bell peppers
Chemical PropertiesLiquid
OccurrenceReported present in coffee, potato products, cooked beef, fried cured pork and roasted peanuts.
DefinitionChEBI: 2-Methyl-3-(2-methylpropyl)pyrazine is a member of pyrazines.
PreparationBy condensation of ethylenediamine with 5-methyl-2,3-hexandione
Aroma threshold valuesDetection: 13 to 35 ppb
Taste threshold valuesTaste characteristics at 35 ppm: herbaceous, green, earthy notes.
2-ISOBUTYL-3-METHYLPYRAZINE Preparation Products And Raw materials
Preparation Products1,3-OCTADIENE-->TRANS-2-HEPTEN-1-OL-->1-Octen-3-ol-->2,5-Dimethyl pyrazine
Hydroxypropyl methyl cellulose ZINC TELLURIDE AKOS BBS-00000265 TOSLAB 800869 2-ISOBUTYL-3-METHYLPYRAZINE 2,3,5-TRIMETHYL-6-(2-METHYLBUTYL)PYRAZINE AKOS BBS-00001905 AKOS BBS-00000235 AKOS BBS-00000234 AKOS BBS-00000178 AKOS BBS-00001959 2-ISOBUTYL-3,5(6)-DIMETHYLPYRAZINE AKOS BBS-00002031 2,3,5-TRIMETHYL-6-ISOBUTYL PYRAZINE AKOS BBS-00000177 AKOS BBS-00001901 AKOS BBS-00001904 AKOS BBS-00000179
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