Ethylpyrazine

Ethylpyrazine
  • CAS No.:13925-00-3
Other grades of this product :
Ethylpyrazine Basic information
Product Name:Ethylpyrazine
Synonyms:ethyl-pyrazin;FEMA NUMBER 3281;FEMA 3281;ETHYLPYRAZINE;ETHYLPYRAZINE, 2-;2-ETHYLPYRAZINE;2-ethyl-1,4-diazine;2-ETHYLPYRAZINE 98+%
CAS:13925-00-3
MF:C6H8N2
MW:108.14
EINECS:237-691-5
Product Categories:Mono- & Polyalkylpyrazines;pyrazine Flavor;Pyrazines;Building Blocks;Heterocyclic Building Blocks
Mol File:13925-00-3.mol
Ethylpyrazine Chemical Properties
Melting point 155 °C
Boiling point 152-153 °C (lit.)
density 0.984 g/mL at 25 °C (lit.)
refractive index n20/D 1.498(lit.)
FEMA 3281 | 2-ETHYLPYRAZINE
Fp 109 °F
storage temp. Sealed in dry,Room Temperature
solubility freely soluble
form neat
pka1.62±0.10(Predicted)
color Colorless to Light yellow to Light orange
Specific Gravity0.984
Water Solubility freely soluble
JECFA Number762
BRN 108200
CAS DataBase Reference13925-00-3(CAS DataBase Reference)
NIST Chemistry ReferencePyrazine, ethyl-(13925-00-3)
EPA Substance Registry SystemPyrazine, ethyl- (13925-00-3)
Safety Information
Hazard Codes Xi,Xn
Risk Statements 10-41-37/38-22
Safety Statements 16-39-26
RIDADR UN 1993 3/PG 3
WGK Germany 3
RTECS UQ3330000
TSCA T
HazardClass 3
PackingGroup III
HS Code 29339990
MSDS Information
ProviderLanguage
Ethylpyrazine English
SigmaAldrich English
ACROS English
ALFA English
Ethylpyrazine Usage And Synthesis
Chemical Propertiesclear colorless to yellow liquid
Chemical Properties2-Ethylpyrazine has a peanut butter, musty, nutty, woody, peanut buttery odor.
OccurrenceReported found in bakery products, cocoa products, coffee, meat, peanuts, filberts, potato products, beer, whiskey, tea, soybeans, rice, roasted coconut, corn tortillas, shrimp, crayfish, asparagus, boiled beef, malt whiskey, and malt
UsesEthylpyrazine has been used in the synthesis of pyrazinoic acid.
UsesEthylpyrazine is a reagent used in the synthetic preparation of various pharmaceutical goods and has been screened for potential activities as H1-antihistamine.
DefinitionChEBI: A member of the class of pyrazines that is pyrazine in which one of the hydrogens is replaced by an ethyl group. Found particularly in cereals and cereal products, it is present in baked or fried potato, bread, roasted peanuts, and cooked shrimp, as well a cocoa, coffee, and tea. It has a musty, nutty, buttery, peanut odor and a chocolate-peanut taste.
PreparationBy alkylation of methylpyrazine with methyliodide.
Aroma threshold valuesDetection: 4 to 22 ppm. Aroma characteristics at 1.0%: nutty, musky, fermented, coffee, roasted, cocoa and meaty nuances.
Taste threshold valuesTaste characteristics at 10 ppm: nutty, musty, casky, woody, potato, earthy and cocoa with a fishy nuance.
General Description2-Ethylpyrazine is a volatile aroma compound that is mainly formed in food products such as roasted coffee beans or roasted sesame seeds due to the Maillard reaction between sugars and proteins during the roasting process.
Ethylpyrazine Preparation Products And Raw materials
Raw materialsGlyoxal
Preparation Products2-Acetylpyridine-->Pyrazine

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