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2-Methoxy-3-sec-butyl pyrazine

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2-Methoxy-3-sec-butyl pyrazine Basic information

Product Name:
2-Methoxy-3-sec-butyl pyrazine
Synonyms:
  • 2-methoxy-3-(1-methylpropyl)-pyrazin
  • 3-sec-butyl-2-methoxypyrazine
  • Pyrazine, 2-methoxy-3-(1-methylpropyl)-
  • Pyrazine, 3-methoxy-2-(1-methylpropyl)
  • FEMA NUMBER 3433
  • FEMA 3433
  • 2-(aminomethyl)-1-cycloheptanol hydrochloride
  • 2-SECBUTYL-3(5/6)-METHOXYPYRAZINE
CAS:
24168-70-5
MF:
C9H14N2O
MW:
166.22
EINECS:
246-050-9
Product Categories:
  • Building Blocks
  • Heterocyclic Building Blocks
  • Alkoxypyrazines
  • Mono- & Polyalkylpyrazines
  • Aromatics
  • Heterocycles
  • Pyrazines
  • pyrazine Flavor
Mol File:
24168-70-5.mol
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2-Methoxy-3-sec-butyl pyrazine Chemical Properties

Boiling point:
50 °C1 mm Hg(lit.)
Density 
1 g/mL at 25 °C
refractive index 
n20/D 1.492(lit.)
FEMA 
3433 | 2-METHOXY-3-(1-METHYLPROPYL)PYRAZINE
Flash point:
171 °F
storage temp. 
Sealed in dry,Room Temperature
solubility 
Chloroform (Slightly), Methanol (Slightly)
form 
Liquid
pka
0.80±0.10(Predicted)
Specific Gravity
1.01
color 
Clear colorless
Odor
at 0.10 % in dipropylene glycol. musty green pea galbanum bell pepper
Odor Type
green
JECFA Number
791
LogP
2.62
CAS DataBase Reference
24168-70-5(CAS DataBase Reference)
NIST Chemistry Reference
Pyrazine, 2-methoxy-3-(1-methylpropyl)-(24168-70-5)
EPA Substance Registry System
Pyrazine, 2-methoxy-3-(1-methylpropyl)- (24168-70-5)
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Safety Information

Hazard Codes 
Xn
Risk Statements 
22-36/37/38-20/21/22
Safety Statements 
36/37/39-26-36/37/38
RIDADR 
UN 3334
WGK Germany 
3
HS Code 
29339900

MSDS

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2-Methoxy-3-sec-butyl pyrazine Usage And Synthesis

Description

2-Methoxy-3-(l-methylpropyl)pyrazine is like green peas, galbarum oil, bell pepper. Prepared by condensation of isolencine amide with glyoxal, followed by methylation with CH2N2.

Chemical Properties

2-Methoxy-3-(1-methylpropyl)pyrazine has an odor like green peas, galbanum oil or bell pepper.

Chemical Properties

clear colorless liquid

Occurrence

Reported found in asparagus, carrot, celery, cucumber, lettuce, peas, bell pepper, ginger, Swiss cheese, white wine, beans, beetroot, parsnip root and pumpkin, sherry and krill.

Uses

A compound contents in musts and wines from Vitis vinifera variety Cabernet Sauvignon

Preparation

By condensation of isoleucine amide with glyoxal, followed by methylation with CH2N2.

Definition

ChEBI: 2-methoxy-3-(1-methylpropyl) pyrazine is a member of pyrazines and an aromatic ether.

Aroma threshold values

Detection: 0.001 ppb. Aroma characteristics at 1.0%: musty, green, vegetative, nutty, peppery and potato-like.

Taste threshold values

Taste characteristics at 1.0 ppm: musty, vegetative, potato, galbanum, fishy and earthy.

General Description

2-sec-Butyl-3-methoxypyrazine was identified as the main source of earthy/bell pepper (EBP) flavor in the Farmstead Cheddar cheeses.

2-Methoxy-3-sec-butyl pyrazine Preparation Products And Raw materials

Raw materials

2-Methoxy-3-sec-butyl pyrazineSupplier

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