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2,3-Diethyl-5-methylpyrazine

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Identification
Molecular formula
C9H14N2
CAS number
18138-04-0
IUPAC name
2,3-diethyl-5-methyl-pyrazine
State
State

At room temperature, 2,3-Diethyl-5-methylpyrazine is in a liquid state.

Melting point (Celsius)
-15.00
Melting point (Kelvin)
258.15
Boiling point (Celsius)
189.00
Boiling point (Kelvin)
462.15
General information
Molecular weight
136.22g/mol
Molar mass
136.2060g/mol
Density
0.9223g/cm3
Appearence

2,3-Diethyl-5-methylpyrazine appears as a clear, colorless liquid. It is known for its distinct, pungent odor, which resembles roasted nuts or coffee. The compound's appearance is consistent with many volatile organic compounds used in flavor and fragrance compositions.

Comment on solubility

Solubility of 2,3-Diethyl-5-methyl-pyrazine

When discussing the solubility of 2,3-diethyl-5-methyl-pyrazine, it is essential to consider several key factors:

  • Polarity: The presence of the pyrazine ring impacts the molecule's overall polarity. This compound, while having hydrophobic ethyl groups, retains a degree of polar character due to the nitrogen atoms in the ring.
  • Solvent Interaction: 2,3-Diethyl-5-methyl-pyrazine exhibits limited solubility in water, primarily due to its non-polar ethyl substituents. However, it is expected to be soluble in organic solvents such as ethanol, methanol, and acetone, which can better stabilize the compound's structure.
  • Temperature Influence: Like many organic compounds, solubility can vary with temperature. Increased temperatures often result in enhanced solubility due to higher kinetic energy, allowing more interaction with the solvent.

To summarize, while 2,3-diethyl-5-methyl-pyrazine demonstrates a certain level of solubility in non-polar organic solvents, its behavior in polar solvents like water is notably limited. Thus, understanding the balance between polar and non-polar sections of the molecule is vital for predicting its solubility properties.

Interesting facts

Interesting Facts about 2,3-Diethyl-5-methyl-pyrazine

2,3-Diethyl-5-methyl-pyrazine is a fascinating compound that belongs to the class of pyrazines, which are nitrogen-containing heterocycles. This particular compound is noteworthy for various reasons:

  • Flavor and Aroma: It is known for imparting a distinct savory flavor and aroma, making it valuable in the food industry, especially in flavoring agents and food additives.
  • Natural Occurrence: 2,3-Diethyl-5-methyl-pyrazine can be found naturally in roasted and cooked foods, such as coffee and meats, contributing to their complex and appetizing profiles.
  • Applications in Chemistry: Beyond its culinary uses, this compound also serves as a versatile building block in synthetic organic chemistry, often used in the synthesis of other complex molecules.
  • Structural Insights: The structure of 2,3-Diethyl-5-methyl-pyrazine is notable for its electron-rich nitrogen atoms, which can influence reaction pathways and interactions with other compounds.

Did You Know?

According to culinary scientists, the presence of pyrazines is often associated with the Maillard reaction, a chemical reaction between amino acids and reducing sugars that gives browned food its characteristic flavor and color.

In essence, 2,3-Diethyl-5-methyl-pyrazine is more than just a compound; it is a crucial player in flavor chemistry and the synthetic toolkit of chemists and food scientists alike.

Synonyms
2,3-DIETHYL-5-METHYLPYRAZINE
Pyrazine, 2,3-diethyl-5-methyl-
hazelnut pyrazine
2,3-Diethyl-6-methylpyrazine
5-Methyl-2,3-diethylpyrazine
FEMA No. 3336
UNII-530763R0AP
EINECS 242-024-6
530763R0AP
DTXSID6066317
PSINWXIDJYEXLO-UHFFFAOYSA-
METHYL-5,6-DIETHYLPYRAZINE
2,3-DIETHYL-5-METHYLPYRAZINE [FHFI]
DTXCID4035754
242-024-6
InChI=1/C9H14N2/c1-4-8-9(5-2)11-7(3)6-10-8/h6H,4-5H2,1-3H3
PSINWXIDJYEXLO-UHFFFAOYSA-N
18138-04-0
MFCD00009635
2-Methyl-5,6-diethylpyrazine
2,3-diethyl-5-methyl-pyrazine
MLS000515960
2,3-Diethyl-6-methylpyrazine; 2-Methyl-5,6-diethylpyrazine; 5-Methyl-2,3-diethylpyrazine
SCHEMBL756047
SCHEMBL3945532
CHEMBL1904383
SCHEMBL29832120
FEMA 3336
CHEBI:193685
HMS2269E08
SBB057797
2,3-Diethyl-5-methylpyrazine, 99%
AKOS015838583
CS-W016320
FD35650
NCGC00247002-01
AC-16405
AS-59328
SMR000112429
2,3-Diethyl-5-methylpyrazine, 99%, FG
DB-019730
D1714
NS00021776
ST50307354
D81788
2,3-Diethyl-5-methylpyrazine, analytical standard
A812612
Q27261047