2-Propylpyrazine Chemical Properties

Boiling point:

65 °C (12 mmHg)

Density 

0.975

refractive index 

1.492-1.494

FEMA 

3961 | PROPYLPYRAZINE

Flash point:

56 °C

storage temp. 

Sealed in dry,Room Temperature

form 

clear liquid

pka

1.70±0.10(Predicted)

color 

Colorless to Light yellow

Specific Gravity

0.9700

Odor

at 0.10 % in dipropylene glycol. green vegetable nutty

Odor Type

green

JECFA Number

763

LogP

1.24

CAS DataBase Reference

18138-03-9(CAS DataBase Reference)

NIST Chemistry Reference

Pyrazine, 2-(n-propyl)-(18138-03-9)

EPA Substance Registry System

Pyrazine, propyl- (18138-03-9)

Safety Information

Hazard Codes 

Xi

Risk Statements 

37/38-41-36/37/38

Safety Statements 

24/25-39-26-36

RIDADR 

UN 1993C 3 / PGIII

WGK Germany 

3

HazardClass 

IRRITANT

HS Code 

29339900

MSDS

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2-Propylpyrazine Usage And Synthesis

Chemical Properties

clear very slightly yellow liquid

Chemical Properties

2-Propylpyrazine has a green, vegetable odor.

Occurrence

Reported found in roasted coffee beans.

Definition

ChEBI: Propylpyrazine is a member of pyrazines.

Aroma threshold values

Detection: 300 ppb

2-Propylpyrazine(18138-03-9)Related Product Information

• 2-Methoxy-3-isobutyl pyrazine
• Pyrazinamide
• Glipizide
• 2-Methylpyrazine
• Sulfachoropyrazine sodium
• 6,7-Dihydro-5-methyl-5(H)-cyclopentapyrazine
• 2-METHYL-3-N-PROPYLPYRAZINE,2-METHYL-3-PROPYLPYRAZINE
• 2-N-BUTYL-3-METHYLPYRAZINE
• 5,6,7,8-Tetrahydroquinoxaline
• 6-Biopterin
• D-(+)-NEOPTERIN
• N-PENTYLPYRAZINE
• 2-Methoxy-3-sec-butyl pyrazine
• (R)-2,5-Dihydro-3,6-diethoxy-2-isopropylpyrazine
• (S)-2,5-Dihydro-3,6-diethoxy-2-isopropylpyrazine
• 2,3,5-Trimethyl-6-isopropylpyrazine
• 2-ISOBUTYL-3-METHYLPYRAZINE
• Fructosazine