2-Methoxy-3-Methylpyrazine

Product Name:

2-Methoxy-3-methylpyrazine

Synonyms:

2-METHOXYL-3-METHYLPYRAZINE;2-METHOXY-3-METHYLPYRAZINE AND 2-METHOXY-5-METHYLPYRAZINE;2-METHOXY-3(5/6)-METHYL PYRAZINE;2-METHOXY-3(5)-METHYLPYRAZINE;2-METHYL-3-METHOXYPYRAZINE;2-Methoxy-3-Methylpyrazine, 98% 5GR;2-METHYL-3(5/6)-METHOXYPYRAZINE;2-METHYL-6-METHOXYPYRAZINE

CAS:

2847-30-5

MF:

C6H8N2O

MW:

124.14

EINECS:

220-651-6

Product Categories:

Pyrazines;Pyrazine;Alkoxypyrazines;Mono- & Polyalkylpyrazines;pyrazine Flavor;Building Blocks;Heterocyclic Building Blocks;Alphabetical Listings;Flavors and Fragrances;M-N

Mol File:

2847-30-5.mol

Boiling point 

48-52°C 10mm

density 

1.06 g/mL at 25 °C(lit.)

FEMA 

3183 | 2,5 OR 6-METHOXY-3-METHYLPYRAZINE (MIXTURE OF ISOMERS)

refractive index 

n20/D 1.507(lit.)

Fp 

132 °F

storage temp. 

Flammables area

pka

1.01±0.10(Predicted)

JECFA Number

788

BRN 

878809

CAS DataBase Reference

2847-30-5(CAS DataBase Reference)

NIST Chemistry Reference

2-Methoxy-3-methyl pyrazine(2847-30-5)

EPA Substance Registry System

Pyrazine, 2-methoxy-3-methyl- (2847-30-5)

Hazard Codes 

Xn

Risk Statements 

22-37/38-41-10

Safety Statements 

26-39-16

RIDADR 

UN 1993 3/PG 3

WGK Germany 

3

TSCA 

Yes

HazardClass 

3

PackingGroup 

III

HS Code 

29339900

Chemical Properties

clear colourless liquid

Chemical Properties

2 or 5 or 6-Methoxy-3-methylpyrazine has an aroma reminiscent of hazelnut, almond and peanut. The methyl methoxy pyrazines are used as nut-like flavoring agents for foods and beverages. The 2-methoxy-3-methyl derivative is used as a coffee aroma enhancing agent.

Preparation

From 2-methylpyrazine by various routes.

Aroma threshold values

Detection: 3 to 7 ppb

Raw materials

Sodium ethoxide