2-Ethylpyrazine

Base Information

• Chemical Name: 2-Ethylpyrazine
• CAS No.: 13925-00-3
• Molecular Formula: C6H8N2
• Molecular Weight: 108.143
• Hs Code.: 29339990
• European Community (EC) Number: 237-691-5
• UNII: 0QO4LUV16Z
• DSSTox Substance ID: DTXSID2065676
• Nikkaji Number: J27.869F
• Wikidata: Q27140387
• Metabolomics Workbench ID: 45150
• ChEMBL ID: CHEMBL97525
• Mol file: 13925-00-3.mol

Synonyms:2-ETHYLPYRAZINE;Ethylpyrazine;13925-00-3;2-Ethyl-1,4-diazine;Pyrazine, ethyl-;2-ethyl pyrazine;Moldin;FEMA No. 3281;Pyrazine, 2-ethyl-;2-Ethyl-pyrazine;CCRIS 2931;EINECS 237-691-5;UNII-0QO4LUV16Z;BRN 0108200;0QO4LUV16Z;1392-50-3;CHEBI:73232;FEMA 3281;5-23-05-00402 (Beilstein Handbook Reference);ethyl-pyrazine;ethylpyrazine, 2-;Pirazina, 2-etil-;Ethylpyrazine, 98%;SCHEMBL12431;2-Ethylpyrazine;CHEMBL97525;2-ETHYLPYRAZINE [FHFI];DTXSID2065676;2-Ethylpyrazine, >=98%, FG;Ethylpyrazine, analytical standard;MFCD00006149;AKOS003368474;CS-W021688;HY-W040948;AS-50068;LS-127612;AM20070410;E0334;FT-0612294;EN300-95637;O10771;A807505;Q-100149;Q27140387

Chemical Property of 2-Ethylpyrazine

Chemical Property:

• Appearance/Colour: clear colorless to yellow liquid
• Vapor Pressure: 4.01mmHg at 25°C
• Melting Point: 155 °C
• Refractive Index: n20/D 1.498(lit.)
• Boiling Point: 154.9 °C at 760 mmHg
• PKA: 1.62±0.10(Predicted)
• Flash Point: 42.8 °C
• PSA: 25.78000
• Density: 0.994 g/cm³
• LogP: 1.03900
• Storage Temp.: Flammables area
• Solubility.: freely soluble
• Water Solubility.: freely soluble
• XLogP3: 0.7
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 2
• Rotatable Bond Count: 1
• Exact Mass: 108.068748264
• Heavy Atom Count: 8
• Complexity: 63.5

Purity/Quality:

99% ^*data from raw suppliers

2-Ethylpyrazine >99.0%(GC) ^*data from reagent suppliers

Safty Information:

• Pictogram(s): Xi
• Hazard Codes: Xi,Xn
• Statements: 10-41-37/38-22
• Safety Statements: 16-39-26

MSDS Files:

SDS file from LookChem

Total 1 MSDS from other Authors

Useful:

• Chemical Classes: Nitrogen Compounds -> Pyrazines
• Canonical SMILES: CCC1=NC=CN=C1
• Uses: Ethylpyrazine has been used in the synthesis of pyrazinoic acid. Ethylpyrazine is a reagent used in the synthetic preparation of various pharmaceutical goods and has been screened for potential activities as H1-antihistamine.

Technology Process of 2-Ethylpyrazine

There total 21 articles about 2-Ethylpyrazine which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 79.4%

N-(2-hydroxypropyl)ethylenediamine (123-84-2) → 2-Methylpyrazine (109-08-0) + 2-ethylpyrazine (13925-00-3)

Guidance literature:

With hydrogen; CuO-ZnO-Al₂O₃; at 350 ℃; Yields of byproduct given;

DOI:10.1007/BF00532031

Reference yield: 78.7%

piperazine (110-85-0) → 1H-imidazole (288-32-4) + 1,4-pyrazine (290-37-9) + 1-methyl-1H-imidazole (616-47-7) + 2-Methylpyrazine (109-08-0) + 2-ethylpyrazine (13925-00-3) + 2-methylimidazole (693-98-1)

Guidance literature:

Pt-Al₂O₃-In₂O₃-Re; at 400 ℃; Product distribution; variation of catalyst, temperature;

DOI:10.1007/BF00957833

Reference yield: 78.7%

piperazine (110-85-0) → 1,4-pyrazine (290-37-9) + 2-Methylpyrazine (109-08-0) + 2-ethylpyrazine (13925-00-3) + pyrrole (109-97-7,30604-81-0)

Guidance literature:

With hydrogen; Pt(0.6 percent)-Al₂O₃-In₂O₃(2.3 percent)-Re₂O₇(0.5 percent); at 400 ℃; Product distribution; other bifunctional Pt/Al₂O₃ modified catalysts;

DOI:10.1007/BF00532031

upstream raw materials:

2-ethylpiperazine

piperazine

N-(2-hydroxypropyl)ethylenediamine

ethylenediamine

Downstream raw materials:

2-(1'-bromoethyl)pyrazine

acetylpyrazine

2-ethylpiperazine

C₆H₁₀N₃⁽¹⁺⁾*C₉H₁₁O₃S^(1-)

Refernces

• 1、 Gainer. "-". . p. 691. Retrieved 1959.
• 2、 -. "1H-pyrrole-2,4-dicarbonyl-derivatives and their use as flavoring agents". . . Retrieved 2015/03/03.
• 3、 Scalone, Gustavo Luis Leonardo,Cucu, Tatiana,De Kimpe, Norbert,De Meulenaer, Bruno. "Influence of Free Amino Acids, Oligopeptides, and Polypeptides on the Formation of Pyrazines in Maillard Model Systems". . p. 5364 - 5372. Retrieved 2015/06/25.