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2-Ethyl-3-methylpyrazine

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Identification
Molecular formula
C7H10N2
CAS number
15707-23-0
IUPAC name
2-ethyl-3-methyl-pyrazine
State
State

At room temperature, 2-ethyl-3-methylpyrazine is a liquid. It is used in various flavoring applications due to its distinct nutty odor.

Melting point (Celsius)
-17.60
Melting point (Kelvin)
255.55
Boiling point (Celsius)
158.00
Boiling point (Kelvin)
431.15
General information
Molecular weight
122.17g/mol
Molar mass
122.1730g/mol
Density
0.9520g/cm3
Appearence

2-Ethyl-3-methylpyrazine is a colorless to pale yellow liquid with a strong nutty, roasted odor reminiscent of peanuts or popcorn.

Comment on solubility

Solubility of 2-ethyl-3-methyl-pyrazine

2-ethyl-3-methyl-pyrazine, a nitrogen-containing heterocycle, exhibits unique solubility properties that can be influenced by various factors. Understanding its solubility is crucial for its application in different fields, particularly in flavor and fragrance industries. Here are some notable points:

  • Moderate Solubility: 2-ethyl-3-methyl-pyrazine is known for its moderate solubility in water, primarily due to its ability to engage in hydrogen bonding.
  • Solvent Compatibility: This compound is more soluble in organic solvents such as ethanol and diethyl ether. This is attributed to its hydrophobic ethyl and methyl groups.
  • Temperature Effects: Generally, solubility tends to increase with temperature, so heating the solvent may enhance the dissolution of 2-ethyl-3-methyl-pyrazine.

As a rule of thumb, "like dissolves like"; therefore, the relative polarity of the solvent plays a significant role in the solubility behavior of this compound. Experience with the chemistry of pyrazines suggests that their solubility can be tailored for specific applications by adjusting the solvent system used.

Interesting facts

Interesting Facts about 2-ethyl-3-methyl-pyrazine

2-ethyl-3-methyl-pyrazine is a unique compound that has garnered attention in both the culinary and scientific worlds. Known for its distinctive aroma and flavor, this compound is often associated with roasted and toasted notes, making it a valuable chemical in various applications.

Key Points to Note:

  • Aromatic Qualities: 2-ethyl-3-methyl-pyrazine contributes significantly to the flavor profile of certain foods, particularly in roasted coffee, chocolate, and nuts. Its ability to enhance taste makes it highly sought after in the food industry.
  • Flavor Chemistry: As a member of the pyrazine family, this compound plays a crucial role in the study of flavor chemistry. Pyrazines are known to add depth and complexity to flavors, which is why they are extensively studied for potential applications in food science.
  • Synthesis: Synthesizing 2-ethyl-3-methyl-pyrazine can be accomplished through various methods, including the reaction of 2-acetyl-1-pyrroline with ethyl-methyl ketone. This opens avenues for organic chemists to explore effective strategies for its production.
  • Safety and Regulation: While it is generally recognized as safe for human consumption, the regulatory aspects surrounding food additives like 2-ethyl-3-methyl-pyrazine highlight the importance of safety standards in the food industry.

As stated by scientists, "The complexity of flavor lies not just in individual compounds, but in how they interact with the senses," and 2-ethyl-3-methyl-pyrazine exemplifies this idea beautifully. Its multifaceted characteristics make it a fascinating subject of study for chemists, flavorists, and food enthusiasts alike.

Synonyms
2-ETHYL-3-METHYLPYRAZINE
Pyrazine, 2-ethyl-3-methyl-
2-Methyl-3-ethylpyrazine
FEMA No. 3155
2-Ethyl-3-methylpyrazine, 9CI
BRN 0956775
EINECS 239-799-8
UNII-9GF35MK66U
9GF35MK66U
DTXSID4047464
2-Methyl-3-ethyl pyrazine
DTXCID2027464
FEMA 3155
5-23-05-00418 (Beilstein Handbook Reference)
2-ETHYL-3-METHYLPYRAZINE [FCC]
2-ETHYL-3-METHYL-1,4-PYRAZINE
2-ETHYL-3-METHYLPYRAZINE [FHFI]
239-799-8
LNIMMWYNSBZESE-UHFFFAOYSA-N
15707-23-0
3-Ethyl-2-methylpyrazine
2-Ethyl-3-methyl pyrazine
2-ethyl-3-methyl-pyrazine
MFCD00006150
Pyrazine, 3-ethyl-2-methyl
Pyrazine, ethylmethyl-
2-Methyl-3-ethyl-pyrazine
SCHEMBL108460
SCHEMBL293037
CHEMBL3187840
SCHEMBL25401953
SCHEMBL29512257
CHEBI:193620
Tox21_302613
AKOS015842908
CS-W013548
NCGC00256746-01
AC-16592
BS-15466
CAS-15707-23-0
DB-021037
E0361
NS00012435
2-Ethyl-3-methylpyrazine, >=98%, FCC, FG
D90495
EN300-2010184
Q17239258
2-Ethyl-3-methylpyrazine, analytical reference material