2-Ethyl-3-methylpyrazine

Available forms:clear colorless to slightly yellow liquid

pd_proNo:448566-81a68476-adb2-4c20-a1dc-cf4ab793091b

pd_productuse:

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Detailed introduction

Purity 99% Min 2-Ethyl-3-methylpyrazine 15707-23-0 Spot Supply with Safe Transportation

  • Molecular Formula:C7H10N2
  • Molecular Weight:122.17
  • Appearance/Colour:clear colorless to slightly yellow liquid 
  • Vapor Pressure:1.69mmHg at 25°C 
  • Refractive Index:n20/D 1.503(lit.)  
  • Boiling Point:173.5 °C at 760 mmHg 
  • PKA:1.94±0.10(Predicted) 
  • Flash Point:57.2 °C 
  • PSA:25.78000 
  • Density:0.977 g/cm3 
  • LogP:1.34740 

2-Ethyl-3-methylpyrazine(Cas 15707-23-0) Usage

Preparation

By condensation of ethylenediamine with 2,3-pentanedione.

Hazard

Moderately toxic by ingestion.

Flammability and Explosibility

Notclassified

Safety Profile

Moderately toxic by ingestion. When heated to decomposition it emits acrid smoke and irritating fumes.

Aroma threshold values

Detection: 2 ppm (130 ppb in water)

Taste threshold values

Taste characteristics at 10 ppm: nutty, peanut, musty corn-like with raw and oily nuances.

InChI:InChI=1/C7H10N2/c1-3-7-6(2)8-4-5-9-7/h4-5H,3H2,1-2H3

15707-23-0 Relevant articles

Efficient synthesis method of 2-ethyl-3-methylpyrazine

-

Paragraph 0024; 0029; 0035; 0041; 0049; 0053, (2018/04/01)

The invention discloses an efficient syn...

Influence of Free Amino Acids, Oligopeptides, and Polypeptides on the Formation of Pyrazines in Maillard Model Systems

Scalone, Gustavo Luis Leonardo,Cucu, Tatiana,De Kimpe, Norbert,De Meulenaer, Bruno

, p. 5364 - 5372 (2015/06/25)

Pyrazines are specific Maillard reaction...

The effect of pH on the formation of aroma compounds produced by heating a model system containing l-ascorbic acid with l-threonine/l-serine

Yu, Ai-Nong,Zhang, Ai-Dong

experimental part, p. 214 - 219 (2011/12/14)

The identification of aroma compounds, f...

Pt/Al2O3 CATALYSTS IN THE SYNTHESIS OF NITROGEN HETEROCYCLES. CATALYTIC SYNTHESIS OF PYRAZINES

Gitis, K. M.,Neumoeva, G. E.,Isagulyants, G. V.

, p. 1308 - 1315 (2007/10/02)

A study was carried out on the use of Pt...

15707-23-0 Process route

L-threonine
72-19-5,134357-96-3,7013-32-3,82822-12-6

L-threonine

ascorbic acid
50-81-7,98966-42-8

ascorbic acid

2,5-dimethyl-pyrazine
123-32-0

2,5-dimethyl-pyrazine

2-ethylpyrazine
13925-00-3

2-ethylpyrazine

2,5-diethylpyrazine
13238-84-1

2,5-diethylpyrazine

2-ethyl-3,6-dimethylpyrazine
13360-65-1

2-ethyl-3,6-dimethylpyrazine

2-ethyl-6-methylpyrazine
13925-03-6

2-ethyl-6-methylpyrazine

3,5-diethyl-2-methyl-pyrazine
18138-05-1

3,5-diethyl-2-methyl-pyrazine

2-ethyl-5-methypyrazine
13360-64-0

2-ethyl-5-methypyrazine

5-ethyl-2,3-dimethylpyrazine
15707-34-3

5-ethyl-2,3-dimethylpyrazine

2-methyl-3-ethylpyrazine
15707-23-0

2-methyl-3-ethylpyrazine

2,3-diethyl-5-methylpyrazine
18138-04-0

2,3-diethyl-5-methylpyrazine

Conditions
Conditions Yield
With sodium hydroxide; at 143 ℃; for 2h; pH=8; aq. phosphate buffer; Sealed vial;
L-threonine
72-19-5,134357-96-3,7013-32-3,82822-12-6

L-threonine

ascorbic acid
50-81-7,98966-42-8

ascorbic acid

2-ethylpyrazine
13925-00-3

2-ethylpyrazine

2,5-diethylpyrazine
13238-84-1

2,5-diethylpyrazine

2-ethyl-3,6-dimethylpyrazine
13360-65-1

2-ethyl-3,6-dimethylpyrazine

2-methyl-2-pentenal
1115-11-3

2-methyl-2-pentenal

2-ethyl-6-methylpyrazine
13925-03-6

2-ethyl-6-methylpyrazine

3,5-diethyl-2-methyl-pyrazine
18138-05-1

3,5-diethyl-2-methyl-pyrazine

2-ethyl-5-methypyrazine
13360-64-0

2-ethyl-5-methypyrazine

5-ethyl-2,3-dimethylpyrazine
15707-34-3

5-ethyl-2,3-dimethylpyrazine

2-methyl-3-ethylpyrazine
15707-23-0

2-methyl-3-ethylpyrazine

2,3-diethyl-5-methylpyrazine
18138-04-0

2,3-diethyl-5-methylpyrazine

Conditions
Conditions Yield
With sodium hydroxide; at 143 ℃; for 2h; pH=7; aq. phosphate buffer; Sealed vial;

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